Christopher Mielo v. Steak N Shake Operations Inc , 897 F.3d 467 ( 2018 )


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  •                                       PRECEDENTIAL
    UNITED STATES COURT OF APPEALS
    FOR THE THIRD CIRCUIT
    _____________
    No. 17-2678
    _____________
    CHRISTOPHER MIELO; SARAH HEINZL,
    individually and on behalf of all others similarly situated
    v.
    STEAK 'N SHAKE OPERATIONS, INC.,
    Appellant
    _____________
    On Appeal from the United States District Court
    for the Western District of Pennsylvania
    (W.D. Pa. No. 2-15-cv-00180)
    District Judge: Honorable Robert C. Mitchell
    Argued May 2, 2018
    Before: SMITH, Chief Judge, HARDIMAN, and
    RESTREPO, Circuit Judges
    (Filed: July 26, 2018)
    Maria G. Danaher
    Patrick J. Fazzini
    Ogletree, Deakins, Nash, Smoak & Stewart
    One PPG Place, Suite 1900
    Pittsburgh, PA 15222
    David H. Raizman               [ARGUED]
    Ogletree Deakins
    400 South Hope Street
    Suite 1200
    Los Angeles, CA 90071
    Counsel for Appellant
    Teresa L. Jakubowski
    Barnes & Thornburg
    1717 Pennsylvania Avenue, N.W.
    Suite 500
    Washington, DC 20006
    Counsel for Amicus Appellants
    Cary Silverman
    Shook Hardy & Bacon
    1155 F. Street, N.W., Suite 200
    Washington, DC 20004
    Counsel for Amicus Appellants
    R. Bruce Carlson
    Stephanie K. Goldin
    Edwin J. Kilpela, Jr.          [ARGUED]
    2
    Benjamin J. Sweet
    Carlson Lynch Sweet & Kilpela
    1133 Penn Avenue
    5th Floor Suite 210
    Pittsburgh, PA 15222
    Counsel for Appellee
    Sharon M. Krevor-Weisbaum
    Brown Goldstein & Levy
    120 East Baltimore Street
    Suite 1700
    Baltimore, MD 21202
    Counsel for Amicus Appellee
    Amy F. Robertston
    Civil Rights & Enforcement Center
    104 Broadway
    Suite 400
    Denver, CO 80203
    Counsel for Amicus Appellees
    ________________
    OPINION
    ________________
    SMITH, Chief Judge.
    3
    TABLE OF CONTENTS
    INTRODUCTION ....................................................................... 5
    I. BACKGROUND ..................................................................... 6
    A. Factual Background ...................................................... 6
    B. Procedural History ......................................................... 9
    C. Applicable Law and Theory of Harm ......................... 11
    II. PLAINTIFFS HAVE STANDING ......................................... 19
    A. Injury in Fact ............................................................... 20
    B. Traceability................................................................... 26
    C. Redressability ............................................................... 27
    III. PLAINTIFFS FAIL TO SATISFY RULE 23(A) ................... 30
    A. Numerosity ................................................................... 34
    B. Commonality ................................................................ 44
    C. The Need for Remand.................................................. 53
    CONCLUSION......................................................................... 54
    4
    INTRODUCTION
    In this class action lawsuit, two disability rights
    advocates have sued Steak ’n Shake under the Americans
    with Disabilities Act (“ADA”). Alleging they have
    personally experienced difficulty ambulating in their
    wheelchairs through two sloped parking facilities, these
    Plaintiffs seek to sue on behalf of all physically disabled
    individuals who may have experienced similar difficulties
    at Steak ’n Shake restaurants throughout the country. The
    District Court certified Plaintiffs’ proposed class, and
    Steak ’n Shake now appeals that certification decision. We
    are tasked with answering two questions: First, whether
    Plaintiffs have standing under Article III of the United
    States Constitution, and second, whether they have
    satisfied the requirements set out in Federal Rule of Civil
    Procedure 23(a).
    As to the first question, we conclude that Plaintiffs
    have standing to bring their claims in federal court.
    Although a mere procedural violation of the ADA does not
    qualify as an injury in fact under Article III, Plaintiffs
    allege to have personally experienced concrete injuries as
    a result of ADA violations on at least two occasions.
    Further, Plaintiffs have sufficiently alleged that these
    injuries were caused by unlawful corporate policies that
    can be redressed with injunctive relief. We withhold
    judgment as to whether those corporate policies are indeed
    unlawful, as our standing inquiry extends only so far as to
    5
    permit us to ensure that Plaintiffs have sufficiently pled as
    much.
    As to the second question before us, we conclude
    that Plaintiffs have failed to satisfy Rule 23(a). The
    extraordinarily broad class certified by the District Court
    runs afoul of at least two of Rule 23(a)’s requirements. In
    light of this conclusion, the District Court’s judgment will
    be reversed, and this matter will be remanded to the
    District Court to reconsider if a class should be certified.
    I. BACKGROUND
    The District Court had jurisdiction pursuant to 
    28 U.S.C. § 1331
     and 
    42 U.S.C. § 12188
    . This matter comes
    to us pursuant to Federal Rule of Civil Procedure 23(f),
    which permits a court of appeals to allow “an appeal from
    an order granting or denying class-action certification.”
    FED. R. CIV. P. 23(f). We exercise appellate jurisdiction
    pursuant to 
    28 U.S.C. § 1292
    (e). We review a district
    court’s class certification decision under an abuse of
    discretion standard. In re Hydrogen Peroxide Antitrust
    Litig., 
    552 F.3d 305
    , 312 (3d Cir. 2008). We review de
    novo the legal standards applied by a district court in
    reaching the certification decision. 
    Id.
    A. Factual Background
    Christopher Mielo and Sarah Heinzl (“Plaintiffs”)
    are physically disabled individuals who claim they have
    6
    personally experienced difficulty in ambulating through
    steeply graded parking facilities at one Steak ’n Shake
    location each. Specifically, Mielo alleges that he
    “experienced unnecessary difficulty and risk due to
    excessive slopes in a purportedly accessible parking space
    and access aisle”1 at a Steak ’n Shake in East Munhall,
    Pennsylvania. JA 90, 439. Heinzl alleges that she
    “experienced unnecessary difficulty and risk due to
    excessive surface slope in purportedly accessible parking
    spaces and access aisles, and excessive cross slope along
    the route connecting purportedly accessible parking
    spaces to the facility’s entrance” at a Steak ’n Shake in
    Pleasant Hills, Pennsylvania. JA 90, 404–07. After
    experiencing these alleged violations, neither Mielo nor
    Heinzl notified anyone at Steak ’n Shake, although they
    did contact a lawyer. JA 408–10, 441–42; see also
    National Association of Convenience Stores, National
    Grocers Association, and Food Marketing Institute Amici
    Br. 8 (stating that “21 of the 135 [ADA] Title III lawsuits
    filed in federal court in Pennsylvania in 2014 were filed
    on behalf of one of the plaintiffs in this case, Christopher
    1
    An “access aisle” is a designated area located adjacent to
    an accessible parking space. As Mielo helpfully explains
    in his deposition, an “access aisle is that dash line that
    people love to park in when they shouldn’t . . . it’s that
    area, you know, for ramps or for doors to open, things like
    that.” JA 445.
    7
    Mielo”); Katherine Corbett, Julie Farrar-Kuhn, Carrie Ann
    Lucas, Julie Reiskin, and the Civil Rights Education and
    Enforcement Center Amici Br. 3 n.1, 18 (noting it is not
    uncommon for disability advocates to serve as repeat class
    representatives).
    In addition to these two Pennsylvania locations,
    Plaintiffs allege specific ADA violations at six other Steak
    ’n Shake restaurants located throughout Pennsylvania and
    Ohio. JA 90–92. Although Mielo and Heinzl do not claim
    to have personally experienced violations at the six other
    locations,2 the law firm representing them hired an
    investigator who visited these locations and recorded
    evidence purportedly supporting the existence of
    violations. JA 90. Relying on the investigator’s
    discoveries at these six additional locations, as well as
    their own experiences at the East Munhall and Pleasant
    Hills locations, Mielo and Heinzl seek to enjoin Steak ’n
    Shake on a national basis by requiring the company to
    adopt corporate policies relating to ADA compliance.
    There are over 500 Steak ’n Shake restaurants located
    2
    Mielo and Heinzl have visited other Steak ’n Shake
    locations in the past, but each alleges to have personally
    experienced ADA violations at only one restaurant
    location. JA 411, 446–51.
    8
    throughout the United States, approximately 417 of which
    are at issue in this appeal.3
    B. Procedural History
    Plaintiffs’ complaint requests both “a declaration
    that [Steak ’n Shake’s] facilities violate federal law,” and
    “an injunction requiring [Steak ’n Shake] to remove the
    identified access barriers so that [Steak ’n Shake’s]
    facilities are fully accessible to, and independently usable
    by individuals with mobility disabilities, as required by the
    ADA.” JA 87. Plaintiffs propose novel interpretations of
    the ADA and its corresponding regulations, according to
    which Steak ’n Shake would not only be required to
    correct access barriers, but would also be required to adopt
    corporate policies directing Steak ’n Shake employees to
    continually search for hypothetical access barriers that
    might need correcting. Despite the novelty of these
    3
    Specifically, there are “approximately 562 Steak ’n
    Shake locations in 33 states.” Appellant Br. 6. Of those
    locations, 144 are franchised restaurants. Because Steak ’n
    Shake does not build or maintain the parking facilities at
    franchised locations, that leaves approximately 417 at
    issue in this appeal involving a proposed class limited to
    restaurant locations where Steak ’n Shake “owns, controls
    and/or operates the parking facilities.” JA 75; see also
    Appellee Br. 41 (“This case seeks to challenge the same
    policies and practices that are applied uniformly to
    approximately 417 restaurants.”).
    9
    interpretations, Steak ’n Shake has not yet filed a motion
    to dismiss or motion for summary judgment.
    On April 27, 2017, the District Court granted
    Plaintiffs’ motion to certify a class under Federal Rule of
    Civil Procedure 23(b)(2). JA 75. The certified class was
    defined as follows:
    All persons with qualified mobility
    disabilities who were or will be denied the
    full and equal enjoyment of the goods,
    services, facilities, privileges, advantages or
    accommodations of any Steak ’n Shake
    restaurant location in the United States on the
    basis of a disability because such persons
    encountered accessibility barriers at any
    Steak ’n Shake restaurant where Defendant
    owns, controls and/or operates the parking
    facilities.
    JA 75. As part of its certification ruling, the District Court
    appointed Mielo and Heinzl as class representatives. JA
    75.
    In certifying the class, the District Court analyzed
    the underlying law in this case. Although discussion of
    such underlying law must necessarily be limited when
    conducting the standing analysis here, Cottrell v. Alcon
    Labs., 
    874 F.3d 154
    , 162 (3d Cir. 2017) (referring to the
    “fundamental separation between standing and merits at
    10
    the dismissal stage”), that law is intertwined with our Rule
    23 inquiry. Hydrogen Peroxide, 552 F.3d at 307 (“[T]he
    court must resolve all factual or legal disputes relevant to
    class certification, even if they overlap with the merits—
    including disputes touching on elements of the cause of
    action.”); Marcus v. BMW of N. Am., LLC, 
    687 F.3d 583
    ,
    591 (3d Cir. 2012) (stating that a “court cannot be bashful”
    when determining “whether there is actual conformance
    with Rule 23”). In light of this overlap, we briefly lay out
    the law upon which Plaintiffs rest their claims.
    C. Applicable Law and Theory of Harm
    The ADA seeks to “provide a clear and
    comprehensive national mandate for the elimination of
    discrimination against individuals with disabilities.” 42
    U.S.C § 12101. Title III of that landmark civil rights law
    specifically prohibits discrimination against the disabled
    in the full and equal enjoyment of any place of public
    accommodation. See 
    42 U.S.C. § 12182
    (a). Title III
    applies to buildings built both before and after the ADA’s
    enactment. Specifically, Title III requires “places of public
    accommodation”4 to “remove architectural barriers … in
    existing facilities … where such removal is readily
    4
    Steak ’n Shake restaurants qualify as places of public
    accommodation. 
    42 U.S.C. § 12181
    (7)(B) (referring to “a
    restaurant, bar, or other establishment serving food or
    drink”).
    11
    achievable,” 
    42 U.S.C. § 12182
    (b)(2)(A)(iv), and to
    “design and construct facilities for first occupancy [no]
    later than 30 months after July 26, 1990, that are readily
    accessible to and usable by individuals with disabilities,
    except where an entity can demonstrate that it is
    structurally impracticable to meet the requirements of such
    subsection.” 
    42 U.S.C. § 12183
    (a)(1).
    Plaintiffs seek injunctive relief to require Steak ’n
    Shake to adopt centralized corporate policies crafted to
    ensure that potential discriminatory access violations are
    actively sought out and corrected. Plaintiffs seek to do so
    pursuant to the ADA, which permits private individuals to
    seek injunctive relief. As 
    42 U.S.C. § 12188
    (a)(1)(2)
    provides:
    (1) Availability of remedies and procedures.
    The remedies and procedures set forth in
    section 2000a-3(a)5 of this title are the
    5
    Section 2000a-3(a) provides a private right of action. 42
    U.S.C. § 2000a-3 (“Whenever any person has engaged or
    there are reasonable grounds to believe that any person is
    about to engage in any act or practice prohibited by section
    2000a-2 of this title, a civil action for preventive relief,
    including an application for a permanent or temporary
    injunction, restraining order, or other order, may be
    instituted by the person aggrieved. . . .”). Section 2000a-2
    prohibits any person from “withhold[ing], deny[ing], or
    attempt[ing] to withhold or deny, or deprive or attempt to
    12
    remedies and procedures this subchapter
    provides to any person who is being
    subjected to discrimination on the basis of
    disability . . . .
    (2) Injunctive relief.
    In the case of violations of sections
    12182(b)(2)(A)(iv)6 and section 12183(a)7 of
    deprive any person of any right or privilege secured by
    section 2000a or 2000a-1 of this title.” 42 U.S.C. § 2000a-
    2. Section 2000a provides, in part, that “[a]ll persons shall
    be entitled to the full and equal enjoyment of the goods,
    services, facilities, privileges, advantages, and
    accommodations of any place of public accommodation.”
    42 U.S.C. § 2000a(a). Section 2000a-1 provides, in part,
    that “[a]ll persons shall be entitled to be free, at any
    establishment or place, from discrimination.” 42 U.S.C.
    § 2000a-1.
    6
    Section 12182(b)(2)(A)(iv) defines discrimination to
    include “a failure to remove architectural barriers, and
    communication barriers that are structural in nature, in
    existing facilities . . . where such removal is readily
    achievable.” 
    42 U.S.C. § 12182
    (b)(2)(A)(iv).
    7
    Section 12183(a) defines discrimination to include both
    “a failure to design and construct facilities for first
    occupancy later than 30 months after July 26, 1990, that
    are readily accessible to and usable by individuals with
    13
    this title, injunctive relief shall include an
    order to alter facilities to make such facilities
    readily accessible to and usable by
    individuals with disabilities to the extent
    required by this subchapter. Where
    appropriate, injunctive relief shall also
    include requiring the provision of an
    auxiliary aid or service, modification of a
    policy, or provision of alternative methods, to
    the extent required by this subchapter.
    
    42 U.S.C. § 12188
    (a)(1)(2). Of the many interconnected
    sections mentioned within the statutory language laid out
    above, 
    42 U.S.C. § 12182
    (b)(2)(A)(iv) is perhaps the most
    relevant to our Rule 23(a) analysis.8 We must, therefore,
    look at it closely.
    disabilities, except where an entity can demonstrate that it
    is structurally impracticable,” 
    42 U.S.C. § 12183
    (a)(1), as
    well as older buildings that are altered after July 26, 1990.
    
    42 U.S.C. § 12183
    (a)(2).
    8
    Section 12182(b)(2)(A)(iv) is particularly important to
    our Rule 23(a)(2) inquiry. Section 12182(b)(2)(A)(iv)
    refers to the term “architectural barriers,” which, as
    outlined in the ADA’s corresponding regulations, is a
    broad term that covers a large swath of restaurant features
    from parking spaces to bathroom mirrors. See 
    28 C.F.R. § 36.304
    (b) (listing “[e]xamples of steps to remove
    14
    Section 12182(b)(2)(A)(iv) states that, for purposes
    of 
    42 U.S.C. § 12182
    (a),9 the term “discrimination” shall
    include a “failure to remove architectural barriers . . .
    where such removal is readily achievable.” 
    42 U.S.C. § 12182
    . While the ADA itself fails to define
    “architectural barriers,” the Department of Justice’s ADA
    Guide for Small Businesses defines “architectural
    barriers” as:
    [P]hysical features that limit or prevent
    people with disabilities from obtaining the
    goods or services that are offered. They can
    include parking spaces that are too narrow to
    accommodate people who use wheelchairs; a
    step or steps at the entrance or to part of the
    selling space of a store; round doorknobs or
    door hardware that is difficult to grasp; aisles
    that are too narrow for a person using a
    wheelchair, electric scooter, or a walker; a
    barriers”). As Part III.B. will explain, this presents a Rule
    23(a)(2) commonality issue since class members may have
    been injured by different types of architectural barriers.
    9
    
    42 U.S.C. § 12182
    (a) (“General rule. No individual shall
    be discriminated against on the basis of disability in the
    full and equal enjoyment of the goods, services, facilities,
    privileges, advantages, or accommodations of any place of
    public accommodation by any person who owns, leases (or
    leases to), or operates a place of public accommodation.”).
    15
    high counter or narrow checkout aisles at a
    cash register, and fixed tables in eating areas
    that are too low to accommodate a person
    using a wheelchair or that have fixed seats
    that prevent a person using a wheelchair from
    pulling under the table.
    ADA Guide for Small Businesses, at 3, available at
    https://www.ada.gov/smbusgd.pdf. The Department of
    Justice promulgated guidelines pursuant to 
    42 U.S.C. § 12186
     (providing that “the Attorney General shall issue
    regulations”).
    One regulation, 
    28 C.F.R. § 36.211
     (“Section 211”),
    is of central importance to Plaintiffs’ theory of harm. That
    regulation arguably refers to a restaurant’s “ongoing”
    maintenance obligation, providing:
    Maintenance of accessible features.
    (a) A public accommodation shall maintain
    in operable working condition those features
    of facilities and equipment that are required
    to be readily accessible to and usable by
    persons with disabilities by the Act or this
    part.
    (b) This section does not prohibit isolated or
    temporary interruptions in service or access
    due to maintenance or repairs. . . .
    
    28 C.F.R. § 36.211
    . As the District Court interpreted
    Section 211:
    16
    Title III’s implementing regulations . . .
    require places of public accommodation to
    maintain in operable working condition those
    features of facilities and equipment that are
    required to be readily accessible to and usable
    by persons with disabilities. 
    28 C.F.R. § 36.211
    (a). This ongoing obligation broadly
    covers all features that are required to be
    accessible under the ADA.
    JA 62 (internal quotation marks omitted). Although we
    must refrain from engaging in a freewheeling merits
    analysis while undertaking our inquiries into standing and
    Rule 23’s requirements, we nevertheless note the weight
    that Section 211 must bear in order to support Plaintiffs’
    case in chief. To summarize Plaintiffs’ theory of harm, the
    ADA and its corresponding regulations not only require
    Steak ’n Shake to correct discriminatory access violations,
    but also to adopt policies for ADA compliance that require
    Steak ’n Shake to actively seek out potential violations.10
    10
    Referring to the “gravamen” of their lawsuit, Plaintiffs
    contend that “liability is premised on the fact that [Steak
    ’n Shake’s] current policies and practices directly result in
    unidentified access violations that are addressed only
    when individuals with disabilities complain . . . .”
    Appellee Br. 22. As Plaintiffs elaborate, “[a]fter
    construction, [Steak ’n Shake] does not conduct ADA-
    specific assessments at any of its restaurants to ensure that
    17
    the restaurants remain ADA compliant.” Appellee Br. 6.
    Further, Plaintiffs complain that Steak ’n Shake’s
    “established maintenance procedures similarly ignore the
    ADA,” and that the company’s “maintenance employees
    do not receive any training with regard to ADA
    compliance issues, thus making it unlikely that ADA-
    related issues would be identified on an ad hoc basis.”
    Appellee Br. 7.
    Plaintiffs implicitly argue that it would be good
    policy to interpret Section 211 to require places of public
    accommodation to actively seek out access violations, as
    compared to correcting access violations as they are
    discovered. See Appellee Br. 37 (arguing that Steak ’n
    Shake “effectively . . . push[es] its obligation to maintain
    the accessibility of its restaurants onto customers”). But
    while relieving customers of the burden of bringing access
    violations to the attention of restaurants might be good
    policy, it appears to be in tension with the very policy
    which Congress codified in the text of the ADA.
    In enacting the ADA, Congress made clear that “the
    nature and cost” of a particular action, as well as “the
    overall financial resources of the facility or facilities
    involved in the action,” must be taken into account when
    determining whether a particular access violation
    constitutes ADA “discrimination” that must be corrected.
    
    42 U.S.C. § 12181
    (9). In doing so, Congress heeded the
    obvious: places of public accommodation have finite
    resources to allocate to correcting access violations.
    18
    In light of our inability to fully engage the merits at this
    stage of the litigation, we are not at liberty to decide
    whether Plaintiffs’ novel interpretation of the ADA and its
    corresponding regulations would survive a dispositive
    motion under either Rule 12(b)(6), or Rule 56 of the
    Federal Rules of Civil Procedure.
    II. PLAINTIFFS HAVE STANDING
    To establish Article III standing, a plaintiff must
    have “(1) suffered an injury in fact, (2) that is fairly
    traceable to the challenged conduct of the defendant, and
    (3) that is likely to be redressed by a favorable judicial
    decision.” Spokeo, Inc. v. Robins, 
    136 S. Ct. 1540
    , 1547
    (2016). As “[t]he party invoking federal jurisdiction,” a
    plaintiff “bears the burden of establishing these elements.”
    Lujan v. Defenders of Wildlife, 
    504 U.S. 555
    , 561 (1997);
    see also Finkelman v. Nat’l Football League, 
    810 F.3d 187
    , 194 (3d Cir. 2016).
    The text of the ADA seems to suggest, then, that
    disabled patrons like Mielo and Heinzl are better served
    when restaurants are required to spend their limited
    financial resources on correcting only the access violations
    that disabled patrons have actually brought to the
    restaurant’s attention—rather than requiring those
    establishments to expend their limited resources in an
    ongoing search for potential violations that may not exist.
    19
    In the class action context, our standing inquiry
    focuses solely on the class representative(s). As we
    squarely held in Neale v. Volvo Cars of N. Am., LLC,
    “putative class members need not establish Article III
    standing. Instead, the ‘cases or controversies’ requirement
    is satisfied so long as a class representative has standing,
    whether in the context of a settlement or litigation class.”
    Neale v. Volvo Cars of N. Am., LLC, 
    794 F.3d 353
    , 362
    (3d Cir. 2015). Given that restriction, we turn to the
    allegations put forward by Mielo and Heinzl and
    determine whether, as class representatives, they satisfy all
    three elements of standing.
    A. Injury in Fact
    The primary element of standing is injury in fact,
    and it is actually a conglomerate of three components. See
    Spokeo, Inc., 
    136 S. Ct. at 1547
    . To establish an injury in
    fact, a plaintiff must first “show that he or she suffered ‘an
    invasion of a legally protected interest.’” 
    Id. at 1548
    (quoting Lujan, 504 U.S. at 560). Second, a plaintiff must
    show that the injury is both “concrete and particularized.”
    Id. Third, a plaintiff must also show that his or her injury
    is “actual or imminent, not conjectural or hypothetical.”
    Id.
    In determining whether Plaintiffs have suffered an
    invasion of a legally protected interest, we must carefully
    “separate our standing inquiry from any assessment of the
    merits of the plaintiff’s claim.” Cottrell, 874 F.3d at 162.
    20
    Unlike a Rule 23 inquiry, where courts are often required
    to make factual and legal determinations pertaining to a
    plaintiff’s underlying cause of action, our standing inquiry
    must avoid any consideration of the merits beyond a
    screening for mere frivolity. Initiative & Referendum Inst.
    v. Walker, 
    450 F.3d 1082
    , 1093 (10th Cir. 2006) (en banc)
    (“[A] plaintiff whose claimed legal right is so preposterous
    as to be legally frivolous may lack standing on the ground
    that the right is not ‘legally protected.’”). Here, although
    Plaintiffs’ theory may not ultimately prove successful on
    the merits, Plaintiffs present a colorable argument that the
    ADA requires Steak ’n Shake to adopt new policies
    requiring them to actively seek out and correct access
    violations. Given the constraints on our ability to subject
    Plaintiffs’ claims to additional scrutiny at this point, we
    are satisfied that they have alleged a non-frivolous claim
    that they suffered an invasion of a legally protected
    interest.11
    11
    In Cottrell, we pondered whether the phrase “legally
    protected interest” constituted a third component of the
    injury in fact inquiry, or was instead “simply a
    reformulation of the other components of injury in fact.”
    Cottrell v. Alcon Labs., 
    874 F.3d 154
    , 164 (3d Cir. 2017).
    We noted, for example, that the phrase had “not appeared
    with regularity in Supreme Court opinions addressing
    standing.” 
    Id. at 163
    . But since Cottrell, the Supreme
    Court decided Gill v. Whitford, 
    138 S. Ct. 1916
     (2018),
    21
    The second component of injury in fact requires that
    an alleged injury be both “concrete” and “particularized.”
    To the extent that Plaintiffs allege only a harm in the mere
    existence or absence of particular corporate policies,
    Plaintiffs lack standing. As we recognized in Cottrell,
    “[b]are procedural or technical violations of a statute alone
    will not satisfy the concreteness requirement.” Cottrell,
    874 F.3d at 167 (citing Spokeo, 
    136 S. Ct. at 1549
    ).12
    Therefore, even assuming that Steak ’n Shake violated the
    ADA by failing to have an adequate ADA compliance
    policy in place, the mere nonexistence of such a policy
    would not afford Plaintiffs a basis to establish standing. In
    other words, Plaintiffs would still need to show how the
    lack of a policy resulted in a concrete harm that was
    particular to them. Because Plaintiffs do not allege how
    which provides further guidance for courts undertaking a
    standing analysis. In Gill, the Supreme Court again
    referred to the “invasion of a legally protected interest” as
    a distinct component of the injury in fact inquiry. Gill, 
    138 S. Ct. at 1929
    . In light of Gill, we clarify that the phrase
    “invasion of a legally protected interest” does constitute a
    distinct component of the injury in fact inquiry. A plaintiff
    must sufficiently allege to have suffered such an invasion
    in order to establish Article III standing.
    12
    This is not to say, however, that Spokeo foreclosed
    standing for all procedural violations—it did so only for
    those that are “bare.” Spokeo, 
    136 S. Ct. at 1549
     (2016).
    22
    the mere nonexistence of a particular corporate policy
    constitutes a concrete harm in and of itself,13 they cannot
    rely on the want of such a policy as a basis for standing.
    But although Plaintiffs’ complaint could be read as
    alleging no more than mere procedural violations of the
    ADA, our caselaw requires us to “examine the allegations
    in the complaint from a number of different angles to see
    if [plaintiffs’] purported injury can be framed in a way that
    satisfies Article III.” Finkelman, 810 F.3d at 197. Further
    examining Plaintiffs’ complaint in light of this obligation,
    we conclude that they have sufficiently alleged a concrete
    harm in the form of experiencing actual physical difficulty
    in ambulating through parking facilities which are
    allegedly not ADA-compliant.14 Moreover, because
    13
    This is not to say that the nonexistence (or existence) of
    a corporate policy can never be a liability-triggering act
    that causes a concrete harm. As we explain in Part II.B.,
    although an allegedly unlawful policy is not itself a
    concrete harm, it can qualify, at least at the pleading stage,
    as the cause of concrete harms that Plaintiffs claim they
    have experienced when attempting to ambulate through
    parking facilities which violate the ADA.
    14
    Although we conclude that these alleged physical harms
    qualify as “concrete,” we point out that “‘concrete’ is not
    . . . necessarily synonymous with ‘tangible.’” Spokeo, Inc.
    v. Robins, 
    136 S. Ct. 1540
    , 1549 (2016).
    23
    Plaintiffs allege they personally experienced these
    concrete injuries, we further conclude that they have
    sufficiently alleged an injury that is particular to them.
    Spokeo, 
    136 S. Ct. at 1548
     (“We have made it clear time
    and time again that an injury in fact must be both concrete
    and particularized.”) (emphases added).
    Of course, Plaintiffs seek to require Steak ’n Shake
    to correct alleged ADA violations at more than the two
    restaurant locations where they claim to have actually
    experienced        injury.     Highlighting       Plaintiffs’
    geographically expansive request, Steak ’n Shake argues
    that Plaintiffs do not have standing to seek relief beyond
    the East Munhall and Pleasant Hills locations. Appellant
    Br. 57–59. In taking this tack, however, Steak ’n Shake
    conflates Article III standing with requirements of Rule
    23.
    As we made clear in Neale, “a properly formulated
    Rule 23 class should not raise standing issues.” Neale, 794
    F.3d at 368. Rather than “shoehorn . . . questions into an
    Article III analysis,” the standing inquiry must be limited
    to a consideration of the class representatives themselves,
    after which we may “employ Rule 23 to ensure that classes
    are properly certified.” Id. With Neale in mind, we reject
    Steak ’n Shake’s invitation to insert Rule 23 issues into
    our inquiry on standing.
    Finally, the third component of the injury in fact
    inquiry requires Plaintiffs to show that their injury is actual
    24
    or imminent, rather than conjectural or hypothetical. After
    conceptualizing Plaintiffs’ alleged injury as experiencing
    physical difficulty in the form of ambulating through
    allegedly unlawful parking facilities, it is clear that this
    third subcomponent is easily satisfied. The physical
    injuries of which Plaintiffs complain are not merely
    hypothetical or conjectural, they have actually occurred.15
    15
    Steak ’n Shake contends that Plaintiffs do not have
    standing to seek injunctive relief at either the East Munhall
    or Pleasant Hills locations. Appellant Br. 55–57. As Steak
    ’n Shake argues, “there is no evidence establishing any
    likelihood that Plaintiffs will return to those two respective
    locations.” Appellant Br. 55. Steak ’n Shake’s argument is
    unpersuasive. Although Steak ’n Shake makes much of the
    unsurprising fact that Plaintiffs do not purport to know the
    exact date of their next visit to a Steak ’n Shake restaurant,
    this argument misses the point. Plaintiffs contend they are
    currently “deterred from returning to [Steak ’n Shake]
    facilities.” JA 93 (Complaint). This allegation is supported
    by record evidence illustrating that Plaintiffs have visited
    many Steak ’n Shake restaurant locations in the past, and
    that Plaintiffs enjoy the food offered at those restaurants.
    See, e.g., JA 737–40, 751–54. In this sense, the injury
    providing Plaintiffs with standing to seek injunctive relief
    is not merely hypothetical or even imminent—it is actual,
    in that this allegedly unlawful deterrence is something that
    Plaintiffs are currently suffering. See also 
    42 U.S.C. § 12188
    (a)(1) (“Nothing in this section shall require a
    25
    We conclude, therefore, that Plaintiffs have sufficiently
    alleged that they suffered an injury in fact.
    B. Traceability
    The second element of standing requires Plaintiffs
    to establish that their alleged injury in fact “is fairly
    traceable to the challenged conduct of the defendant.”
    Spokeo, 
    136 S. Ct. at 1547
    . As we have previously
    explained, this element is not satisfied if the alleged injury
    is merely “the result of the independent action of some
    third party not before the court.” Finkelman, 810 F.3d at
    193. Moreover:
    This requirement is akin to “but for”
    causation in tort and may be satisfied even
    where the conduct in question might not have
    been a proximate cause of the harm. An
    indirect causal relationship will suffice,
    provided that there is a fairly traceable
    connection between the alleged injury in fact
    and the alleged conduct of the defendant.
    Id. at 193–94 (internal citations omitted). Plaintiffs allege
    that their injuries were “caused” by Steak ’n Shake’s
    person with a disability to engage in a futile gesture if such
    person has actual notice that a person or organization
    covered by this subchapter does not intend to comply with
    its provisions.”).
    26
    unlawful corporate policies. In other words, Plaintiffs
    allege that “but for” Steak ’n Shake’s policies there would
    be no injury. While Plaintiffs will face a heavier burden to
    establish causation should they eventually be put to their
    proof, their burden of establishing causation at the
    pleadings stage is less stringent. Lujan, 504 U.S. at 561
    (“[E]ach element [of standing] must be supported in the
    same way as any other matter on which the plaintiff bears
    the burden of proof, i.e., with the manner and degree of
    evidence required at the successive stages of the
    litigation.”). Accordingly, we conclude that Plaintiffs have
    satisfied the traceability element of standing.
    C. Redressability
    The third standing element requires Plaintiffs to
    show that their injury “is likely to be redressed by a
    favorable judicial decision.” Spokeo, 
    136 S. Ct. at 1547
    .
    “This requires the plaintiff to show that it is ‘likely, as
    opposed to merely speculative,’ that the alleged injury will
    be redressed by a favorable decision.” Finkelman, 810
    F.3d at 194 (quoting Lujan, 504 U.S. at 561). Although
    this third element of standing presents a close call, we
    conclude that Plaintiffs have satisfied it.
    Courts must be cognizant of “the rule that a ‘remedy
    must of course be limited to the inadequacy that produced
    the injury in fact that the plaintiff has established.’” Gill v.
    Whitford, 
    138 S. Ct. 1916
    , 1931 (2018) (quoting Lewis v.
    Casey, 
    518 U.S. 343
    , 357 (1996)). Bearing in mind that
    27
    Plaintiffs do not have standing to seek remedies
    corresponding to mere procedural violations of the ADA,
    we consider whether the declaratory and injunctive relief
    Plaintiffs seek will likely satisfy the only injuries they
    have successfully alleged: physical injuries associated
    with ambulating through steeply graded parking facilities,
    and the deterrent effect that these injuries have on
    Plaintiffs’ ability to enjoy Steak ’n Shake’s services in the
    future.
    Plaintiffs provide three examples of injunctions,
    any one of which they contend would remedy their
    injuries. First, Plaintiffs propose that the District Court
    could develop “training protocols” intended to “ensure”
    that Steak ’n Shake’s maintenance employees “are aware
    of the ADA’s structural requirements and know how to
    identify access violations for prompt repair.” Appellee Br.
    50. Second, Plaintiffs propose that the District Court direct
    Steak ’n Shake “to conduct annual ADA-specific
    inspections to ensure accessibility has been maintained.”
    
    Id.
     Third, Plaintiffs propose that the District Court direct
    Steak ’n Shake “to refrain from engaging in its current
    practice” of performing ADA inspections only in response
    to complaints brought to the company’s attention by
    patrons. 
    Id.
    Each of the proposed injunctions suffer from the
    same flaw: Not one specifically directs that an allegedly
    non-compliant parking facility slope be corrected. And if
    28
    an ADA-violative slope has not been remedied, the
    plaintiffs’ resultant injuries will persist. In order for any
    injuries to be remedied, Steak ’n Shake would need not
    only to adopt one of Plaintiffs’ proposed policies but also
    to take the additional step of actually implementing that
    policy. Obviously, mere adoption of a policy, without
    more, would not guarantee the correction of
    discriminatory barriers. Steak ’n Shake could be in
    compliance with a court order requiring them to adopt a
    new policy and still fail to correct access violations. In that
    case, failure to take the additional step of abiding by a
    newly-adopted corporate policy would not constitute a
    violation of the District Court’s injunction. It would
    merely be a violation of the policy itself.
    Yet even with this daylight between Plaintiffs’
    proposed injunctions and the actual remedying of injuries,
    we recognize that a plaintiff need only establish that a
    favorable judicial decision be “likely” to remedy a
    plaintiff’s injury in fact. Lujan, 504 U.S. at 561. Nothing
    before us suggests that individual Steak ’n Shake locations
    would prove unable or unwilling to adhere to a new
    corporate policy requiring the company to actively seek
    out access violations. Moreover, Plaintiffs’ complaint
    includes a request that the District Court “retain
    jurisdiction over this matter for a period to be determined,”
    in part “to ensure that [Steak ’n Shake] comes into
    compliance with the relevant requirements of the ADA.”
    JA 87. Such a retention of jurisdiction would permit the
    29
    District Court to address any potential failures by Steak ’n
    Shake to actually correct discriminatory barriers that were
    discovered as a result of new policies. We conclude,
    therefore, that the adoption of a policy similar to the three
    examples offered by Plaintiffs would likely remedy
    Plaintiffs’ alleged injuries. Plaintiffs’ have satisfied all
    three elements of standing.
    III. PLAINTIFFS FAIL TO SATISFY RULE 23(A)
    As former-Judge Posner has described it, “[t]he
    class action is an ingenious procedural innovation that
    enables persons who have suffered a wrongful injury, but
    are too numerous for joinder of their claims alleging the
    same wrong committed by the same defendant or
    defendants to be feasible, to obtain relief as a group . . . .”
    Eubank v. Pella Corp., 
    753 F.3d 718
    , 719 (7th Cir. 2014).
    Given that class actions are “an exception to the usual rule
    that litigation is conducted by and on behalf of the
    individual named parties only,” Comcast Corp. v.
    Behrend, 
    569 U.S. 27
    , 33 (2013) (quoting Califano v.
    Yamasaki, 
    442 U.S. 682
    , 700–701 (1979)), a plaintiff
    wishing to bring a lawsuit in federal court must first satisfy
    the explicit requirements set forth in Rule 23(a). This calls
    for a rigorous analysis that usually requires courts to make
    factual findings and legal conclusions that overlap the
    underlying merits of the suit. Wal-Mart Stores, Inc. v.
    Dukes, 
    564 U.S. 338
    , 350–51 (2011). Second, if the
    requirements of Rule 23(a) have been satisfied, the party
    30
    seeking certification must also establish that her claim fits
    within one of the three types of class categories outlined
    in Rule 23(b). Hydrogen Peroxide, 552 F.3d at 309 n.6
    (citing General Telephone Co. of Southwest v. Falcon, 
    457 U.S. 147
    , 155 (1982)).
    Here, Plaintiffs have sought to establish a Rule
    23(b)(2)16 class for which injunctive relief is appropriate
    to the class as a whole. JA 93. But in defining the certified
    class, the District Court’s Rule 23 analysis was flawed
    16
    Rule 23(b)(2) requires establishing that “the party
    opposing the class has acted or refused to act on grounds
    that apply generally to the class, so that final injunctive
    relief or corresponding declaratory relief is appropriate
    respecting the class as a whole.” FED R. CIV. P. 23(b)(2).
    Subdivision (b)(2) often involves “actions in the civil-
    rights field where a party is charged with discriminating
    unlawfully against a class.” FED. R. CIV. P. 23 advisory
    committee notes. See also Karen Sandrik, Note,
    Overlooked Tool: Promissory Fraud in the Class Action
    Context, 35 FLA. ST. U. L. REV. 193, 204 n.79 (2007)
    (recognizing that “[t]he prototype of [a Rule 23(b)(2)]
    action is a civil rights case”). Although the requirements
    of Rule 23 must always be satisfied regardless of the type
    of class seeking certification, this civil rights action under
    the ADA is indeed the type of action for which Rule
    23(b)(2) was originally designed.
    31
    from the start. Citing Eisenberg v. Gagnon, 
    766 F.2d 770
    ,
    785 (3d Cir. 1985), the District Court wrote that “when
    doubt exists concerning certification of the class, the court
    should err in favor of allowing the case to proceed as a
    class action.” JA 39. This was clear error.
    As we have previously explained, the “relaxed”
    class certification standard suggested in Eisenberg did not
    survive the 2003 amendments to Rule 23.17 In Hydrogen
    Peroxide, we made clear that although the 2003
    amendments were “subtle,” they “reflect[ed] the need for
    17
    For a brief description of some of the takeaways from
    the 2003 amendments, see Charles R. Korsmo, Mismatch:
    The Misuse of Market Efficiency in Market Manipulation
    Class Actions, 52 WM. & MARY L. REV. 1111, 1134 n.97
    (2011) (“The 2003 amendments to Rule 23 . . . eliminated
    the provision from prior Rule 23(c)(1)(C) allowing
    ‘conditional’ certification of classes. . . . [And] Rule
    23(c)(1)(A) was altered, replacing the requirement to
    certify a class ‘as soon as practicable’ with an instruction
    to certify ‘at an early practicable time.’ The advisory
    committee’s notes state that ‘[a] court that is not satisfied
    that the requirements of Rule 23 have been met should
    refuse certification until they have been met,’ and instruct
    courts that ‘it is appropriate to conduct controlled
    discovery into the ‘merits,’ limited to those aspects
    relevant to making the certification decision on an
    informed basis.’” (internal citations omitted)).
    32
    a thorough evaluation of the Rule 23 factors.” Hydrogen
    Peroxide, 552 F.3d at 318. The Hydrogen Peroxide
    opinion, a landmark in Third Circuit class action
    jurisprudence, went on to explain that:
    Although the trial court has discretion to
    grant or deny class certification, the court
    should not suppress ‘doubt’ as to whether a
    Rule 23 requirement is met—no matter the
    area of substantive law. Accordingly,
    Eisenberg should not be understood to
    encourage certification in the face of doubt as
    to whether a Rule 23 requirement has been
    met… Eisenberg predates the recent
    amendments to Rule 23 which, as noted,
    reject tentative decisions on certification and
    encourage development of a record sufficient
    for informed analysis.
    Id. at 321. Following Hydrogen Peroxide, we again
    dismissed Eisenberg’s outdated view in In re Schering
    Plough Corp. ERISA Litig.:
    Additionally,       the      Report       and
    Recommendation invokes Eisenberg v.
    Gagnon      for    the     proposition    that
    “[u]ltimately, doubts are resolved in favor of
    class certification.” Our decision in
    Hydrogen Peroxide makes clear that
    33
    Eisenberg should not be read in this
    manner. . . .
    In re Schering Plough Corp. ERISA Litig., 
    589 F.3d 585
    ,
    600 n.14 (3d Cir. 2009) (internal citations omitted).
    We repeat (hopefully for the last time): the
    “relaxed” Rule 23 standard suggested in Eisenberg is no
    longer the law of this circuit. When courts harbor doubt as
    to whether a plaintiff has carried her burden under Rule
    23, the class should not be certified. Hydrogen Peroxide,
    552 F.3d at 321. Rule 23 “does not set forth a mere
    pleading standard.” Dukes, 
    564 U.S. at 350
    . Instead, it
    calls for a rigorous analysis in which “[f]actual
    determinations supporting Rule 23 findings must be made
    by a preponderance of the evidence,” Hydrogen Peroxide,
    552 F.3d at 307. With that in mind, we consider whether
    Plaintiffs have satisfied Rule 23(a)’s requirements.
    A. Numerosity
    Rule 23(a)(1) requires that the proposed class be “so
    numerous that joinder of all members is impracticable.”
    FED. R. CIV. P. 23(a)(1). Like other factual determinations
    underlying Rule 23 determinations, it is a “plaintiff’s
    burden to demonstrate numerosity by a preponderance of
    the evidence.” Hayes v. Wal-Mart Stores, Inc., 
    725 F.3d 349
    , 358 (3d Cir. 2013).
    34
    In recent years the numerosity requirement has been
    given “real teeth.” Robert H. Klonoff, The Decline of
    Class Actions, 90 WASH. U. L. REV. 729, 768 (2013).
    Although this strengthening of the numerosity inquiry has
    sometimes been criticized,18 our precedent nonetheless
    demands that a court “make a factual determination, based
    on the preponderance of the evidence, that Rule 23’s
    18
    See, e.g., Scott Dodson, An Opt-in Option for Class
    Actions, 115 MICH. L. REV. 171, 191–92 (2016) (“In the
    past, numerosity has not generally been a difficult criterion
    to satisfy. . . . But in today’s age of stringent attention to
    the certification requirements, including the Supreme
    Court’s admonition that the class must offer ‘significant
    proof’ of compliance, a number of courts have required
    proof of numerosity beyond what common sense might
    otherwise suggest.” (quoting Dukes, 
    564 U.S. at 353
    )
    (footnotes omitted)); Robert H. Klonoff, The Decline of
    Class Actions, 90 WASH. U. L. REV. 729, 773 (2013) (“The
    strict approach [to numerosity] adopted by some courts
    represents yet another troublesome trend.”). Some of this
    scholarship can be read as criticism of Dukes itself. See
    also Dukes, 
    564 U.S. at 350
     (noting that “Rule 23 does not
    set forth a mere pleading standard,” but instead requires a
    “party seeking class certification . . . [to] affirmatively
    demonstrate his compliance with the Rule—that is . . . be
    prepared to prove that there are in fact sufficiently
    numerous parties”).
    35
    requirements have been met.” Marcus, 687 F.3d at 596.
    To make such a determination, a court must be presented
    with evidence that would enable the court to do so without
    resorting to mere speculation. Id. at 597 (referring to “the
    line separating inference and speculation”).
    In Marcus, we considered the claims of a plaintiff
    who had leased a BMW automobile with four Bridgestone
    “run-flat tires”19 and had alleged that those tires were
    defective. Id. at 588. The district court in that case certified
    a “class action brought on behalf of all purchasers and
    lessees of certain model-year BMWs equipped with
    Bridgestone [run-flat tires] sold or leased in New Jersey
    with tires that have gone flat and been replaced.” Id.
    (internal quotations omitted). We vacated the district
    court’s certification order, in part because the plaintiff had
    failed to satisfy his numerosity burden. Id. In outlining the
    requirements of a successful numerosity showing, we
    explained that:
    Of course, Rule 23(a)(1) does not require a
    plaintiff to offer direct evidence of the exact
    number and identities of the class members.
    19
    “As their name suggests, [run-flat tires] can ‘run’ while
    ‘flat.’ Even if [a run-flat tire] suffers a total and abrupt loss
    of air pressure from a puncture or other road damage, the
    vehicle it is on remains stable and can continue driving for
    50 to 150 miles at a speed of up to 50 miles per hour.”
    Marcus, 687 F.3d at 588.
    36
    But in the absence of direct evidence, a
    plaintiff must show sufficient circumstantial
    evidence specific to the products, problems,
    parties, and geographic areas actually
    covered by the class definition to allow a
    district court to make a factual finding. Only
    then may the court rely on “common sense”
    to forgo precise calculations and exact
    numbers.
    Id. at 596. One of the shortcomings of the district court’s
    numerosity analysis in Marcus was that although there
    was evidence of BMW purchases on a nationwide scale,
    there was no evidence indicating the portion of those
    purchases that might have occurred in New Jersey—the
    geographic limitation of the relevant class.
    While we noted that it was “tempting to assume that
    the New Jersey class meets the numerosity requirement
    based on the defendant companies’ nationwide presence,”
    we rejected the idea that giving in to such temptation could
    excuse speculation. Id. at 597. Because the plaintiff had
    presented a “complete lack of evidence specific to BMWs
    purchased or leased in New Jersey with Bridgestone RFTs
    that have gone flat and been replaced,” we concluded that
    the district court’s “numerosity ruling crossed the line
    separating inference and speculation.” Id.
    Applying the reasoning of Marcus a year later in
    Hayes, we considered a plaintiff’s allegations that a
    37
    retailer violated a state consumer fraud statute by selling
    unredeemable service plans for products that were in
    reality sold “as-is.” Hayes, 725 F.3d at 352. In Hayes, the
    plaintiff presented evidence of over 3,500 transactions that
    included both the sale of a service plan and a price
    override. Id. at 353. Because a price override was
    something that a store cashier did when selling an “as-is”
    product, the district court had reasoned that numerosity
    was satisfied since, “if even 5% of those [3,500] price
    overrides were for as-is items ineligible for Service Plan
    protection, the class would be sufficiently numerous under
    FED. R. CIV. P. 23(a)(1).” Hayes, 725 F.3d at 356. We
    disagreed.
    Although the district court in Hayes was correct in
    pointing out that a cashier would perform a price override
    when selling an “as-is” product, those cashiers also
    performed price overrides in other scenarios—such as
    when a customer “requests a discount because the item is
    sold for less elsewhere,” or when a customer “purchases
    an item and later finds it on sale.” Id. at 352. Transactions
    falling within these other scenarios were not part of the
    class definition, which was comprised of only customers
    who purchased a “Service Plan to cover as-is products.”
    Id. at 353.20 As we explained in Hayes:
    20
    Another problem with the Hayes plaintiff’s attempt to
    rely on the 3,500 transactions calculation was that it did
    not account for how many of those transactions included
    38
    [P]laintiff did not fulfill his burden of
    supplying circumstantial evidence specific to
    the products and problems involved [in] the
    litigation and instead premised his argument
    for numerosity on improper speculation. The
    only concrete numerical evidence presented
    to the court was that New Jersey Sam’s Clubs
    had on record 3,500 transactions that
    included both a price-override and the sale of
    a Service Plan. But there is no factual basis
    for determining how many of these 3,500
    transactions included the purchase of a
    Service Plan for an as-is item . . . . In short,
    the only conclusion that can be drawn from
    the evidence presented to the trial court is that
    the number of class members would be equal-
    to-or-less-than 3,500 and equal-to-or-greater-
    than zero. Within that range, we can only
    speculate as to the number of class members.
    Id. at 357–58.
    Plaintiffs attempt to carry their numerosity burden
    by offering three strands of evidence—but that evidence
    ultimately falls short. First, Plaintiffs point to census data
    the sale of “as-is” products where the retailer ultimately
    honored the service plan—a factual characteristic that
    would have taken those transactions out of the class
    definition.
    39
    showing that “there are between 14.9 million to 20.9
    million persons with mobility disabilities who live in the
    United States.” Appellee Br. 41. Second, Plaintiffs point
    to a single off-hand comment made by a Steak ’n Shake
    executive speculating that it would be “fair” to say that
    “thousands of people with disabilities utilize [Steak ’n
    Shake] parking lots . . . each year.” Id. at 41–42 (citing JA
    155–56). Third, Plaintiffs ask this Court to use its
    “common sense” and conclude that numerosity has been
    satisfied. See id.
    In assessing the sufficiency of these three strands of
    evidence, we begin by noting that although “[n]o
    minimum number of plaintiffs is required to maintain a
    suit as a class action,” a plaintiff in this circuit can
    generally satisfy Rule 23(a)(1)’s numerosity requirement
    by establishing “that the potential number of plaintiffs
    exceeds 40.” Stewart v. Abraham, 
    275 F.3d 220
    , 226–27
    (3d Cir. 2001). In this light, Plaintiffs’ first strand of
    evidence—indicating that there are between 14.9 million
    to 20.9 million persons with mobility disabilities who live
    in the United States—suggests that it is highly likely that
    at least 40 of those individuals would have experienced
    access violations at one of the Steak ’n Shake locations at
    issue in this litigation. But although those odds might be
    enough for a good wager, we must be mindful that “[m]ere
    speculation as to the number of class members—even if
    such speculation is ‘a bet worth making’—cannot support
    40
    a finding of numerosity.” Hayes, 725 F.3d at 357 (quoting
    Marcus, 687 F.3d at 596).
    Plaintiffs point to a large number of disabled
    persons living in the United States. Yet they have
    presented no evidence that would permit us to use
    “common sense” to determine—rather than speculate
    about—the portion of those disabled individuals who have
    actually patronized a relevant Steak ’n Shake restaurant,
    let alone the portion who have experienced or will
    experience an ADA violation at one of those restaurants.
    As we explained in Hayes, “where a putative class is some
    subset of a larger pool, the trial court may not infer
    numerosity from the number in the larger pool alone.” Id.
    at 358; see also Vega v. T-Mobile USA, Inc., 
    564 F.3d 1256
    , 1267–68 (11th Cir. 2009) (“[T]he district court’s
    inference of numerosity for a Florida-only class without
    the aid of a shred of Florida-only evidence was an exercise
    in sheer speculation. Accordingly, the district court abused
    its discretion by finding the numerosity requirement to be
    satisfied with respect to a Florida-only class.”).
    Plaintiffs’ second strand of evidence advances their
    Rule 23(a)(1) burden no further. The single statement of a
    Steak ’n Shake executive characterizing the number of
    patrons who use company parking lots does not assuage
    our concerns about speculation. The fact that one of
    defendant’s executives has himself speculated as to the
    number of disabled individuals who patronize a Steak ’n
    41
    Shake restaurant and traverse their parking lots adds
    nothing. Speculation “squared” is still speculation.
    Perhaps sensing the weakness of their numerosity
    showing, Plaintiffs would have this court adopt the
    reasoning of the District Court that Rule 23(a)(1)’s
    numerosity requirement can be “relaxed in cases where
    injunctive and declaratory relief is sought.” JA 42;
    Appellee Br. 45–46 (arguing that a request for injunctive
    relief is something that necessarily “factor[s] positively
    into the numerosity analysis”). Attempting to support
    relaxation of the numerosity requirement, Plaintiffs cite to
    In re Modafinil Antitrust Litig., 
    837 F.3d 238
     (3d Cir.
    2016). To the extent that Plaintiffs seek to read Modafinil
    as suggesting that requests for injunctive relief relax Rule
    23(a)’s standards in favor of the party seeking class
    certification, Plaintiffs stretch Modafinil too far. We take
    this opportunity, then, to clarify the import of that
    decision.
    In Modafinil, we noted that:
    We have not had occasion to list relevant
    factors that are appropriate for district court
    judges to consider when determining whether
    joinder would be impracticable. We do so
    now. This non-exhaustive list includes:
    judicial economy, the claimants’ ability and
    motivation to litigate as joined plaintiffs, the
    financial resources of class members, the
    42
    geographic dispersion of class members, the
    ability to identify future claimants, and
    whether the claims are for injunctive relief or
    for damages.
    In re Modafinil Antitrust Litig., 837 F.3d at 252–53. We
    start by simply highlighting that the injunction versus
    damages question referred to in Modafinil represents but a
    single factor within a non-exhaustive list of six. But even
    more fundamentally, Modafinil does not state—nor should
    it be read to suggest—that a plaintiff seeking injunctive
    relief will have an easier time satisfying Rule 23(a)(1)
    than plaintiffs seeking monetary damages. Whether a
    plaintiff seeks injunctive or monetary relief, her Rule
    23(a)(1) burden remains the same. Modafinil simply seeks
    to elucidate the meaning of the word “impracticable” and
    suggests that when a court is determining whether a
    plaintiff has satisfied her burden of establishing whether
    joinder would be impracticable, the type of relief sought
    by a plaintiff may be one factor that a court takes into
    consideration. It will always be up to the district court to
    explain how the form of relief has impacted its analysis.
    In sum, because Plaintiffs have failed to present
    evidence sufficient to permit us to go beyond speculation
    as to the impracticability of joinder, we conclude that
    Plaintiffs have failed to satisfy their Rule 23(a)(1) burden.
    If Plaintiffs wish to attempt to satisfy their Rule 23(a)(1)
    burden upon remand, they will need to provide evidence
    43
    that will permit the District Court to conclude that a
    sufficiently numerous group of disabled individuals have
    experienced or will experience ADA violations at a
    relevant Steak ’n Shake restaurant, and that joinder is
    thereby impracticable.
    B. Commonality
    Rule 23(a)(2) requires Plaintiffs to demonstrate that
    “there are questions of law or fact common to the class.”
    FED. R. CIV. P. 23(a)(2). As the Supreme Court recognized
    in Dukes, that “language is easy to misread, since ‘[a]ny
    competently crafted class complaint literally raises
    common questions.’” Dukes, 564 U.S at 349 (quoting
    Richard A. Nagareda, Class Certification in the Age of
    Aggregate Proof, 84 N.Y.U. L. REV. 97, 131–132 (2009))
    (internal quotations omitted). A complaint’s mere recital
    of questions that happen to be shared by class members is
    “not sufficient to obtain class certification.” Id. Rather,
    “[c]ommonality requires the plaintiff to demonstrate that
    the class members ‘have suffered the same injury.’” Id. at
    349–50 (quoting Falcon, 
    457 U.S. at 157
    ).
    The broad class definition certified by the District
    Court includes a commonality issue. As previously set
    forth, the District Court certified a class defined as:
    All persons with qualified mobility
    disabilities who were or will be denied the
    full and equal enjoyment of the goods,
    44
    services, facilities, privileges, advantages or
    accommodations of any Steak ’n Shake
    restaurant location in the United States on the
    basis of a disability because such persons
    encountered accessibility barriers at any
    Steak ’n Shake restaurant where Defendant
    owns, controls and/or operates the parking
    facilities.
    JA 75 (District Court Order).21 Although the final clause
    in this one sentence definition refers to “parking
    21
    A district court’s certification order “must define the
    class and the class claims, issues, or defenses.” FED. R.
    CIV. P. 23(c)(1)(B). Although “no particular format is
    necessary to meet the substantive requirement[s]” of Rule
    23(c)(1)(B), Wachtel ex rel. Jesse v. Guardian Life Ins.
    Co. of Am., 
    453 F.3d 179
    , 188 (3d Cir. 2006), we have
    previously explained that the rule requires “that the text of
    the [certification] order or an incorporated opinion . . .
    include (1) a readily discernible, clear, and precise
    statement of the parameters defining the class or classes to
    be certified, and (2) a readily discernible, clear, and
    complete list of the claims, issues or defenses to be treated
    on a class basis.” 
    Id.
     at 187–88. This substantive
    requirement “necessitat[es] the full and clear articulation
    of the litigation’s contours at the time of class
    certification,” and is intended to help “facilitate
    meaningful appellate review of complex certification
    45
    facilities,” the definition does not strictly limit
    membership to those who have suffered harm within those
    parking facilities. The language adopted by the District
    Court is looser than that, and covers not only persons who
    allege that they have experienced ADA violations within
    a Steak ’n Shake parking facility but also class members
    who encountered “accessibility barriers at any Steak ‘n
    Shake restaurant.” JA 75. This could include claims, for
    instance, regarding the bathroom of a Steak ’n Shake that
    had maintained a perfectly ADA-compliant parking
    facility.
    To comprehend just how large the potential
    universe of ADA violations covered by this broad class
    definition is, consider the Department of Justice’s ADA
    Guide for Small Businesses, which defines “architectural
    barriers” as:
    [P]hysical features that limit or prevent
    people with disabilities from obtaining the
    goods or services that are offered. They can
    include parking spaces that are too narrow to
    decisions.” 
    Id. at 186
    . See also Neale, 794 F.3d at 370
    (“We are not required to comb through the District Court’s
    opinion and layers of briefing in order to ‘cobble together
    the various statements . . . and reach a general inference as
    to some categories of issues that the District Court believes
    are appropriate for class treatment.’” (quoting Wachtel,
    
    453 F.3d at 189
    )).
    46
    accommodate people who use wheelchairs; a
    step or steps at the entrance or to part of the
    selling space of a store; round doorknobs or
    door hardware that is difficult to grasp;
    aisles that are too narrow for a person using a
    wheelchair, electric scooter, or a walker; a
    high counter or narrow checkout aisles at a
    cash register, and fixed tables in eating areas
    that are too low to accommodate a person
    using a wheelchair or that have fixed seats
    that prevent a person using a wheelchair from
    pulling under the table.
    ADA Guide for Small Businesses, at 3, available at
    https://www.ada.gov/smbusgd.pdf (emphases added).
    Moreover, the Department of Justice’s 2010 Title III ADA
    Regulations further illustrate the wide variety of different
    ADA violations that any one particular class member
    might allege to have encountered. For example, 
    28 C.F.R. § 36.304
     provides:
    Removal of Barriers.
    (a) General. A public accommodation shall
    remove architectural barriers in existing
    facilities, including communication barriers
    that are structural in nature, where such
    removal is readily achievable, i.e., easily
    accomplishable and able to be carried out
    without much difficulty or expense.
    47
    (b) Examples. Examples of steps to remove
    barriers include, but are not limited to, the
    following actions –
    (1) Installing ramps;
    (2) Making curb cuts in sidewalks and
    entrances;
    (3) Repositioning shelves;
    (4) Rearranging tables, chairs, vending
    machines, display racks, and other furniture;
    (5) Repositioning telephones;
    (6) Adding raised markings on elevator
    control buttons;
    (7) Installing flashing alarm lights;
    (8) Widening doors;
    (9) Installing offset hinges to widen
    doorways;
    (10) Eliminating a turnstile or providing an
    alternative accessible path;
    (11) Installing accessible door hardware;
    (12) Installing grab bars in toilet stalls;
    (13) Rearranging toilet partitions to increase
    maneuvering space;
    (14) Insulating lavatory pipes under sinks to
    prevent burns;
    (15) Installing a raised toilet seat;
    (16) Installing a full-length bathroom mirror;
    (17) Repositioning the paper towel dispenser
    in a bathroom;
    48
    (18) Creating designated accessible parking
    spaces;
    (19) Installing an accessible paper cup
    dispenser at an existing inaccessible water
    fountain;
    (20) Removing high pile, low density
    carpeting; or
    (21) Installing vehicle hand controls.
    
    28 C.F.R. § 36.304
    . Given the wide variety of violations
    that different class members might claim to have
    encountered, the class definition certified by the District
    Court runs directly into conflict with the Supreme Court’s
    guidance in Dukes.
    In Dukes, the Court considered a class of female
    employees alleging Title VII gender discrimination.
    Dukes, 
    564 U.S. at 343
    . In conducting a Rule 23(a)(2)
    commonality inquiry, the Court explained:
    Commonality requires the plaintiff to
    demonstrate that the class members “have
    suffered the same injury,” Falcon, 
    supra, at 157
    , 
    102 S.Ct. 2364
    . This does not mean
    merely that they have all suffered a violation
    of the same provision of law. Title VII, for
    example, can be violated in many ways—by
    intentional discrimination, or by hiring and
    promotion criteria that result in disparate
    impact, and by the use of these practices on
    49
    the part of many different superiors in a
    single company. Quite obviously, the mere
    claim by employees of the same company
    that they have suffered a Title VII injury, or
    even a disparate-impact Title VII injury,
    gives no cause to believe that all their claims
    can productively be litigated at once. Their
    claims must depend upon a common
    contention—for example, the assertion of
    discriminatory bias on the part of the same
    supervisor. That common contention,
    moreover, must be of such a nature that it is
    capable of classwide resolution—which
    means that determination of its truth or falsity
    will resolve an issue that is central to the
    validity of each one of the claims in one
    stroke.
    
    Id.
     at 349–50 (emphasis added).
    Applying the Court’s teaching in Dukes to the
    matter at hand, we conclude that Plaintiffs’ class presents
    a similar commonality challenge. Although all class
    members might allege a violation of the ADA—even the
    very same provision of the ADA—this only establishes
    that putative class members “merely” allege to “have all
    suffered a violation of the same provision of law.” Id. at
    350. For purposes of satisfying Rule 23(a)(2), that is not
    50
    enough, because, like Title VII in Dukes, the ADA can be
    violated in many different ways.
    One person, for example, might allege that Steak ’n
    Shake violated the ADA by failing to correct a steep slope
    in a parking facility, while other class members might
    allege that Steak ’n Shake violated the ADA by failing to
    replace inaccessible door hardware, by failing to widen
    bathroom doors, or by failing to replace inaccessible water
    fountains. See 
    28 C.F.R. § 36.304
    . While each of these
    Steak ’n Shake patrons presents a serious claim, the
    collective claims are so widely divergent that they would
    be better pursued on either an individual basis or by a
    sufficiently numerous class of similarly-aggrieved
    patrons. Such is the reach of the class as the District Court
    has defined it. With such a potentially wide array of
    different claims by members of the class, we conclude that
    the certified class fails to meet the commonality
    requirement of Rule 23(a)(2).
    Even assuming, arguendo, that a proper
    interpretation of the class definition would limit the class
    to members who suffered injuries within a Steak ’n Shake
    parking facility,22 the wide variety of regulations quoted
    22
    Certification of a class is perhaps the most pivotal
    moment in the life of a class action. In light of the
    inappropriateness of certifying a class on tentative
    grounds, Hydrogen Peroxide, 552 F.3d at 321, mere
    promises to interpret a class definition in a limited fashion
    51
    above reveal that there are still various types of ADA
    violations that could occur specifically in a parking
    facility. Plaintiffs’ own complaint, for example, lists seven
    different categories of parking facility violations. JA 90–
    92. The complaint refers to: (1) parking space slopes; (2)
    access aisle slopes; (3) slopes relating to the route leading
    to a facility entrance; (4) lack of proper parking signage;
    (5) lack of proper “van accessible” designations; (6)
    improper mounting of “accessible” parking signage; and
    (7) “curb ramp” slopes. Id. Although all seven of these
    categories allegedly constitute ADA violations, they harm
    class members in materially different ways.
    A class member, for example, complaining that
    “accessible” parking signage was “mounted less than 60
    will not save an otherwise overly-broad class definition
    from failing to satisfy Rule 23. If a class is defined too
    broadly, the time to correct the flaw is at the time of
    certification, or soon thereafter. See Marcus, 687 F.3d at
    592 (“Even if the District Court shared counsel’s
    understanding of the class definition, counsel’s post hoc
    clarification is no substitute for a ‘readily discernible,
    clear, and precise statement of the parameters defining the
    class . . . to be certified’ in either the certification order or
    accompanying opinion.” (quoting Wachtel, 
    453 F.3d at 187
    )).
    52
    inches above the finished surface o[f] the parking area,”
    JA 91, has experienced harm different from that of a class
    member complaining that “[t]he surfaces of one or more
    access aisles had slopes exceeding 2.1%.” JA 92. As
    Dukes makes clear, suffering “a violation of the same
    provision of law” is not enough. Dukes, 
    564 U.S. at 349
    .
    Instead, class members’ claims must “depend upon a
    common contention” that “is capable of classwide
    resolution . . . in one stroke.” 
    Id. at 350
    . The wide variety
    of potential ADA violations captured in the broad class
    definition certified by the District Court does not lend
    itself to such a resolution. We therefore conclude that
    Plaintiffs have failed to satisfy Rule 23(a)(2).23
    C. The Need for Remand
    In light of our resolution of the Rule 23(a) issues
    presented in this appeal, remand for further proceedings
    before the District Court is necessary. Upon remand, the
    parties may present the court with a newly-formulated
    class definition free of the Rule 23(a) deficiencies
    described above.
    23
    Although determining the proper boundaries of a revised
    class definition is an issue better left to the District Court
    after remand, it seems to us that a class definition limited
    to slope-related injuries occurring within a parking facility
    would present a class definition much more likely to meet
    the commonality requirement of Rule 23(a)(2).
    53
    Specifically, as to Rule 23(a)(1) numerosity,
    Plaintiffs will need to provide additional evidence so that
    the District Court can draw reasonable inferences when
    considering how many disabled individuals might actually
    have experienced an ADA violation at a relevant Steak ’n
    Shake. This should not be a Herculean task. Plaintiffs’
    census data carries much—but not all—of their Rule 23
    (a)(1) burden. Something more will be required to support
    a reasonable inference. As to Rule 23(a)(2) commonality,
    Plaintiffs must propose a class definition with a limited
    number of potential ADA violations. Such a class might,
    for example, be limited to slope-related injuries that occur
    within a Steak ’n Shake parking facility.24
    CONCLUSION
    Plaintiffs seek to utilize the class action device to
    enforce one of our nation’s landmark civil rights laws.
    24
    Given our disposition of this appeal on Rule 23(a)
    grounds, we need not reach the Rule 23(b) issues raised by
    defendants. Nonetheless, the District Court should take
    care to abide by both Dukes’ lesson that “Rule 23(b)(2)
    applies only when a single injunction or declaratory
    judgment would provide relief to each member of the
    class,” Dukes, 
    564 U.S. at 360
    , as well as Rule 65’s
    requirements that any injunction “state its terms
    specifically,” FED. R. CIV. P. 65(d)(1)(B), and “describe in
    reasonable detail . . . the act or acts restrained or required.”
    FED. R. CIV. P. 65(d)(1)(C).
    54
    However commendable the ultimate result Mielo and
    Heinzl seek may be, our analysis here is limited to two
    questions: First, whether Plaintiffs have Article III
    standing, and second, whether Plaintiffs have met their
    burdens under Federal Rule of Civil Procedure 23(a).
    While we conclude that Plaintiffs have standing to pursue
    their claims in federal court, we also conclude that
    Plaintiffs have failed to satisfy the requirements of Rule
    23(a). The District Court’s judgment will be reversed, and
    this matter will be remanded to the District Court for
    reconsideration of the class certification question.
    55