Donald Golden v. California Emergency Physician , 896 F.3d 1018 ( 2018 )


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  •                       FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    DONALD GOLDEN,                                       No. 16-17354
    Plaintiff-Appellant,
    D.C. No.
    v.                            4:10-cv-00437-
    JSW
    CALIFORNIA EMERGENCY
    PHYSICIANS MEDICAL GROUP; MED
    AMERICA; MARK ALDERDICE;                                OPINION
    ROBERT BUSCHO,
    Defendants-Appellees.
    Appeal from the United States District Court
    for the Northern District of California
    Jeffrey S. White, District Judge, Presiding
    Argued and Submitted December 4, 2017
    San Francisco, California
    Filed July 24, 2018
    Before: Milan D. Smith, Jr., and Sandra S. Ikuta, Circuit
    Judges, and John D. Bates, * Senior District Judge.
    Opinion by Judge Bates;
    Dissent by Judge Milan D. Smith, Jr.
    *
    The Honorable John D. Bates, Senior District Judge for the United
    States District Court for the District of Columbia, sitting by designation.
    2                        GOLDEN V. CEP
    SUMMARY **
    Settlement
    The panel reversed the district court’s order directing the
    plaintiff to sign a settlement agreement in an employment
    discrimination suit.
    The panel held that the settlement agreement, between a
    doctor and his former employer, ran afoul of California law
    because a provision of the agreement placed a “restraint of a
    substantial character” on the doctor’s medical practice. The
    panel remanded the case for further proceedings.
    Dissenting, Judge M. Smith wrote that the settlement
    agreement did not violate 
    Cal. Prof. & Bus. Code § 16600
    ,
    and the district court did not abuse its discretion in granting
    defendants’ motion to enforce the agreement.
    COUNSEL
    Matthew Borden (argued) and J. Noah Hagey, Braunhagey
    & Borden LLP, San Francisco, California, for Plaintiff-
    Appellant.
    Sarah E. Robertson (argued), Jonathan McNeil Wong, and
    Mark A. Delgado, Donahue Fitzgerald LLP, Oakland,
    California, for Defendants-Appellees.
    **
    This summary constitutes no part of the opinion of the court. It
    has been prepared by court staff for the convenience of the reader.
    GOLDEN V. CEP                              3
    OPINION
    BATES, Senior District Judge:
    We are now called on to answer the question that we left
    open when this case was last before us: whether a provision
    of a settlement agreement between Dr. Donald Golden and
    his former employer, the California Emergency Physicians
    Medical Group (“CEP”), places a “restraint of a substantial
    character” on Dr. Golden’s medical practice. See Golden v.
    Cal. Emergency Physicians Med. Grp., 
    782 F.3d 1083
    , 1093
    (9th Cir. 2015) (“Golden I”). We conclude that it does, and
    that it therefore runs afoul of California law. See 
    Cal. Bus. & Prof. Code § 16600
    .
    I
    Dr. Golden graduated from medical school in 1995. 1 He
    later completed a fellowship in geriatrics and a residency in
    internal medicine, and in 2000 he began working for CEP, a
    partnership of nearly 2,000 physicians who staff emergency
    rooms and other medical facilities in California and ten other
    states. While at CEP, Dr. Golden worked primarily as an
    emergency room physician, although he also worked part-
    time in several other facilities, including two family practice
    clinics and two occupational medicine clinics.
    1
    The following facts are summarized, for the most part, in the
    majority opinion in Golden I. See 782 F.3d at 1084–85. We include our
    own summary for convenience, not because we view the facts differently
    than did the Golden I majority.
    4                          GOLDEN V. CEP
    In 2007, CEP terminated Dr. Golden’s employment,
    ostensibly because he lacked board certification. 2 Dr.
    Golden sued CEP in Alameda County Superior Court,
    claiming that he had in fact been fired because of his race.
    CEP removed Dr. Golden’s suit to federal court and,
    following a settlement conference before a magistrate judge,
    the parties orally agreed to settle the case.
    When the settlement agreement was later reduced to
    writing, however, Dr. Golden refused to sign it. He claimed
    that one of its provisions, Paragraph 7, was contrary to
    California’s statutory prohibition on contracts “by which
    anyone is restrained from engaging in a lawful profession,
    trade, or business of any kind.” 
    Cal. Bus. & Prof. Code § 16600
    . Paragraph 7 states:
    The parties agree that, except as specified in
    Paragraphs 7a and b, below, Golden shall not
    be entitled to work or be reinstated at any
    CEP-contracted facility or at any facility
    owned or managed by CEP. The parties
    further agree that if CEP contracts to provide
    services to, or acquires rights in, a facility that
    is an emergency room as defined and
    regulated by California law at which Golden
    is employed or rendering services, CEP has
    the right to and will terminate Golden from
    any work in the emergency room without any
    liability whatsoever. Similarly, the parties
    2
    Although Dr. Golden is not board certified in emergency medicine
    or any other specialty, his declaration states that he is eligible for board
    certification in internal medicine. But one CEP partner’s declaration
    states that Dr. Golden is “likely not board eligible” because he “has been
    practicing medicine for well over 15 years” without becoming certified.
    GOLDEN V. CEP                         5
    agree that if CEP contracts to provide
    services to, or acquires rights in, a facility at
    which Golden is employed or rendering
    services as a hospitalist, CEP has the right to
    and will terminate Golden from any work as
    a hospitalist without any liability whatsoever.
    Paragraph 7a states that if CEP contracts with or acquires
    rights in “an urgent care facility that is not an emergency
    room . . . and Golden is already working at that urgent care
    facility, Golden may be entitled to continue working at that
    urgent care facility” so long as he meets certain criteria.
    Paragraph 7b goes on to state the terms of Dr. Golden’s
    continued employment if the conditions in Paragraph 7a are
    met.
    Following Dr. Golden’s refusal to sign the agreement,
    his attorney withdrew, intervened in the proceedings, and
    moved to enforce the agreement so that he could collect his
    fee. The district court granted the motion and ordered Dr.
    Golden to sign, reasoning that because Paragraph 7 would
    not prevent Dr. Golden from competing with CEP, it was not
    a restraint on his medical practice, and section 16600 did not
    apply. Dr. Golden continued to refuse to sign the agreement,
    however, and he instead took his first appeal to this Court.
    See Golden I, 782 F.3d at 1085.
    We reversed the district court’s order, holding that the
    court had misconstrued section 16600. Id. at 1092–93. The
    statute, we explained, applies not only to noncompetition
    agreements but also to any contractual provision that places
    a “restraint of a substantial character” on a person’s ability
    to practice a profession, trade, or business. Id. at 1092
    (quoting Chamberlain v. Augustine, 
    156 P. 479
    , 480 (Cal.
    1916)). Thus, the fact that Paragraph 7 did not prohibit Dr.
    6                        GOLDEN V. CEP
    Golden from competing with CEP was not dispositive;
    rather, the question was whether Paragraph 7 substantially
    restrained Dr. Golden’s practice of medicine, particularly in
    light of CEP’s large presence in California. Id. at 1089,
    1092–93. Because the factual record on that question was
    not fully developed, however, we remanded to the district
    court to determine in the first instance whether Paragraph 7
    “constitutes a restraint of a substantial character to Dr.
    Golden’s medical practice.” Id. at 1093.
    On remand, the district court again ordered Dr. Golden
    to sign the settlement agreement, concluding this time that
    Paragraph 7 was not a restraint of a substantial character.
    The court also denied Dr. Golden’s request for a jury trial
    and ruled that an evidentiary hearing was unnecessary. Dr.
    Golden timely filed this appeal, challenging both the district
    court’s order directing him to sign the agreement and its
    decision not to hold an evidentiary hearing. 3
    II
    We review a district court’s order enforcing a settlement
    agreement for abuse of discretion. See Golden I, 782 F.3d at
    1089. Like any other contract, however, we review the
    validity of a settlement agreement de novo, and a district
    court abuses its discretion if it incorrectly determines that a
    settlement agreement is enforceable. See id.; Tompkins v.
    23andMe, Inc., 
    840 F.3d 1016
    , 1021 (9th Cir. 2016). The
    district court’s interpretation of state contract law is likewise
    3
    Because we are able to conclude on this record that the settlement
    agreement was void under section 16600, we do not consider whether
    the district court abused its discretion in deciding not to hold an
    evidentiary hearing.
    GOLDEN V. CEP                          7
    reviewed de novo. L.A. Lakers, Inc. v. Fed. Ins. Co., 
    869 F.3d 795
    , 800 (9th Cir. 2017).
    CEP contends that the district court’s determination that
    Paragraph 7 did not impose a “restraint of a substantial
    character” on Dr. Golden’s medical practice is a factual
    finding that we review for clear error. We disagree. We
    think the question is better framed as a “mixed question[] of
    law and fact”—one in which “the issue is whether the facts
    satisfy the statutory standard.” In re Cherrett, 
    873 F.3d 1060
    , 1066 (9th Cir. 2017) (citation omitted). Thus, while
    we defer to the district court’s specific factual findings as to
    the nature and extent of the parties’ respective professional
    activities, we review de novo both the district court’s
    construction of Paragraph 7 and its conclusion that, in light
    of the facts found, Paragraph 7 withstands scrutiny under
    section 16600.
    III
    Section 16600 of the California Business and
    Professions Code provides, with certain exceptions not
    relevant here, that “every contract by which anyone is
    restrained from engaging in a lawful profession, trade, or
    business of any kind is to that extent void.” In Golden I, we
    concluded that section 16600 extends beyond
    noncompetition agreements to any “restraint of a substantial
    character,” citing both the statute’s sweeping language and
    the California decisions interpreting that language. See
    782 F.3d at 1090–92. Similar considerations guide our
    analysis of what qualifies as a “substantial” restraint under
    this standard. See Int’l Bus. Machs. Corp. v. Bajorek,
    
    191 F.3d 1033
    , 1041 (9th Cir. 1999) (“We are not free to
    read California law without deferring to our own precedent
    on how to construe it.”).
    8                      GOLDEN V. CEP
    A
    We begin, as always, with the statute’s text. See Nat’l
    Ass’n of Mfrs. v. Dep’t of Def., 
    138 S. Ct. 617
    , 631 (2018).
    As we noted in Golden I, 782 F.3d at 1090, section 16600
    speaks in categorical terms: it refers to “every contract by
    which anyone is restrained” from practicing a “profession,
    trade, or business of any kind,” 
    Cal. Bus. & Prof. Code § 16600
     (emphases added). This language also stands in
    stark contrast to the statute’s handful of narrow exceptions,
    which pertain mostly to the sale or dissolution of businesses.
    See, e.g., 
    Cal. Bus. & Prof. Code § 16601
     (“Any person who
    sells the goodwill of a business . . . may agree with the buyer
    to refrain from carrying on a similar business within a
    specified geographic area in which the business so sold . . .
    has been carried on, so long as the buyer . . . carries on a like
    business therein.”). As we said in Golden I, these exceptions
    demonstrate that the California legislature knew how to
    describe specific restraints in “considerable detail” and that,
    had it intended to draw section 16600 more narrowly, it
    easily could have done so. 782 F.3d at 1090.
    We also noted in Golden I how broadly California’s
    courts have read section 16600. See id. at 1091–92. In
    Chamberlain v. Augustine, for example, the California
    Supreme Court invalidated a provision of a contract for the
    sale of stock in the Los Angeles Foundry Company, which
    would have required the seller to pay $5,000 if he worked
    for or acquired an interest in any other foundry in California,
    Oregon, or Washington within three years of the date of the
    sale. 
    156 P. at
    479–80. Although the provision applied in
    only three states and allowed the seller “to act as laborer or
    molder in various foundries,” the court nonetheless
    concluded that it imposed a “restraint of a substantial
    character” on his metalworking trade, explaining that “[t]he
    GOLDEN V. CEP                         9
    statute makes no exception in favor of contracts only in
    partial restraint of trade.” 
    Id. at 480
    .
    Almost fifty years later, the California Supreme Court
    applied section 16600 again, this time invalidating a
    provision of a pension plan that would have required an
    employee to forfeit his retirement benefits if he started
    working for one of his employer’s competitors after he
    retired. See Muggill v. Reuben H. Donnelley Corp., 
    398 P.2d 147
    , 149 (Cal. 1965). Citing Chamberlain, the court
    explained that section 16600 nullifies any provision that
    “prohibit[s] an employee from working for a competitor
    after completion of his employment or impos[es] a penalty
    if he does so.” 
    Id.
     Since the forfeiture provision clearly
    imposed such a penalty, it was void. 
    Id.
    More recently, the California Supreme Court struck
    down a contractual provision that barred an employee from
    (1) practicing accounting for eighteen months for any client
    on whose account the employee had worked in the eighteen
    months prior to the termination of his employment and
    (2) soliciting any of his former employer’s clients for twelve
    months following his termination. Edwards v. Arthur
    Andersen LLP, 
    189 P.3d 285
    , 290–292 (Cal. 2008) (citations
    omitted). As the California court explained:
    [O]ur courts have consistently affirmed that
    section 16600 evinces a settled legislative
    policy in favor of open competition and
    employee mobility.       The law protects
    Californians and ensures that every citizen
    shall retain the right to pursue any lawful
    employment and enterprise of their choice. It
    protects the important legal right of persons
    to engage in businesses and occupations of
    their choosing.
    10                     GOLDEN V. CEP
    
    Id. at 291
     (citations omitted). Thus, the court noted,
    California has rejected the common law “rule of
    reasonableness,” which generally permits professional
    restraints that are reasonable in relation to the legitimate
    business interests at stake. See 
    id. at 290
    ; Restatement
    (Second) of Contracts § 188 (Am. Law Inst. 1981). The
    court also specifically rejected an exception for “narrow”
    restraints that had been recognized in two prior Ninth Circuit
    cases. See Edwards, 189 P.3d at 292–93 (disapproving
    Bajorek, 
    191 F.3d at 1041
    , which upheld an agreement
    whereby an employee would forfeit his stock options if he
    began working for a competitor within six months of the
    termination of his employment, and Gen. Commercial
    Packaging v. TPS Package Eng’g, Inc., 
    126 F.3d 1131
    , 1134
    (9th Cir. 1997), which upheld a business’s agreement not to
    solicit a small subset of another business’s clients). “Section
    16600 is unambiguous,” the court explained, “and if the
    Legislature intended the statute to apply only to restraints
    that were unreasonable or overbroad, it could have included
    language to that effect.” Id. at 293. But absent any such
    language, California’s “strong public policy” against
    professional restraints “should not be diluted by judicial
    fiat.” Id. (citation omitted).
    Two decisions of California’s intermediate appellate
    courts have probed the outer limits of this broad reading of
    section 16600. In City of Oakland v. Hassey—a case
    decided before Edwards—the California Court of Appeal
    upheld a provision of a police officer’s employment contract
    that would have required the officer to reimburse his
    employer $8,000 in training costs if he left his job before five
    years. 
    78 Cal. Rptr. 3d 621
    , 627–28 (Cal. Ct. App. 2008).
    Because “[n]othing prevented [the officer] from working for
    another police department, or anywhere else, for that
    matter,” the court held that the agreement was not a restraint
    GOLDEN V. CEP                        11
    on his profession and that section 16600 did not apply. 
    Id. at 634
    .
    In Golden I, we noted that the provision at issue in
    Hassey might not have survived under Edwards’s later
    reading of section 16600, since “a requirement to reimburse
    training expenses could impose a meaningful obstacle to
    ‘employee mobility,’ and, hence, limit the opportunities one
    may have to engage in one’s chosen line of work.” 782 F.3d
    at 1092 (citation omitted). But the California Court of
    Appeal later rejected our suggestion. See USS-POSCO
    Indus. v. Case, 
    197 Cal. Rptr. 3d 791
    , 795, 802 (Cal. Ct. App.
    2016) (upholding a provision of an employment contract that
    would require an employee to reimburse his employer for a
    “three-year, employer-sponsored educational program”
    should he leave his job during his first 30 months). As the
    Court of Appeal explained: “Repayment of the fronted costs
    of a voluntarily undertaken educational program, the
    benefits of which transcend any specific employment and are
    readily transportable, is not a restraint on employment.” 
    Id. at 802
    .
    Because the California Supreme Court denied review in
    both Hassey and USS-POSCO, we do not have a definitive
    answer as to whether those cases correctly state California
    law. Even if they do, however, they stand at most for the
    proposition that a promise to reimburse an employer for “a
    voluntarily undertaken and valuable educational
    opportunity” is not a cognizable restraint under section
    16600 because it does not “curb competition.” 
    Id.
     Both
    cases involve only a commitment to repay the cost of a
    training program if the employee leaves the employer; they
    do not address future employment. Far from hindering
    employee mobility, moreover, a training program is likely to
    enhance an employee’s competitiveness on the job market,
    12                     GOLDEN V. CEP
    even if the employee is ultimately required to pay for it.
    When limited to training reimbursement agreements,
    therefore, Hassey and USS-POSCO are consonant with the
    “settled legislative policy in favor of open competition” that
    underlies section 16600. Edwards, 189 P.3d at 291.
    With these authorities in mind, we proceed to determine
    what constitutes a “restraint of a substantial character” under
    section 16600. Golden I, 782 F.3d at 1093. Taken together,
    the California cases suggest that the standard is
    undemanding. We know that a restraint can be “substantial”
    even if it is reasonable, see Edwards, 189 P.3d at 290
    (rejecting the common law rule of reasonableness), and even
    if it is narrow, see id. at 292–93 (rejecting the Ninth Circuit’s
    “narrow-restraint” exception). The California Supreme
    Court has applied section 16600 to invalidate a monetary
    penalty for engaging in competitive conduct, see
    Chamberlain, 
    156 P. at 480
    , an agreement to forfeit
    retirement benefits, see Muggill, 
    398 P.2d at 149
    , and a
    short-term promise not to compete or to solicit clients, see
    Edwards, 189 P.3d at 290–92, and it has even suggested that
    a stock option penalty or a promise not to solicit a small
    group of clients would fail under the statute, see id. at 292–
    93. And although two decisions of California’s intermediate
    appellate courts have held that training reimbursement
    agreements are permissible under section 16600, see USS-
    POSCO, 197 Cal. Rptr. 3d at 802; Hassey, 78 Cal. Rptr. 3d
    at 634, there are good reasons to treat that situation as
    unique.
    In light of these authorities, we conclude that a
    contractual provision imposes a restraint of a substantial
    character if it significantly or materially impedes a person’s
    lawful profession, trade, or business. See Substantial,
    Black’s Law Dictionary (10th ed. 2014) (defining the word
    GOLDEN V. CEP                          13
    “substantial” to mean, among other things, “[o]f, relating to,
    or involving substance; material”). To meet this standard, a
    provision need not completely prohibit the business or
    professional activity at issue, nor does it need to be sufficient
    to dissuade a reasonable person from engaging in that
    activity. See Edwards, 189 P.3d at 292. But its restraining
    effect must be significant enough that its enforcement would
    implicate the policies of open competition and employee
    mobility that animate section 16600. See id. at 291.
    We stress, however, that it will be the rare contractual
    restraint whose effect is so insubstantial that it escapes
    scrutiny under section 16600. California’s legislature has
    clearly expressed its disapproval of contracts that restrain
    lawful business and professional activities, and we are bound
    to heed that policy judgment wherever its logic applies.
    With these considerations in mind, we turn now to the
    contractual provision at issue in this case.
    B
    Paragraph 7 impedes Dr. Golden’s ability to practice
    medicine in three ways. First, it states that he “shall not be
    entitled to work or be reinstated” at “any facility owned or
    managed by CEP.” Second, it bars him from working at
    “any CEP-contracted facility.” Finally, it states that “if CEP
    contracts to provide services to, or acquires rights in” a
    facility where Dr. Golden is currently working as an
    emergency room physician or a hospitalist, CEP “has the
    right to and will terminate” him from that employment
    “without any liability whatsoever.” The second and third of
    these three provisions substantially restrain Dr. Golden’s
    practice of medicine and are therefore barred by section
    16600.
    14                         GOLDEN V. CEP
    The first provision pertains only to Dr. Golden’s future
    employment at CEP. To the extent that it prevents him from
    being reinstated at any of his prior CEP worksites—which
    consist of a single emergency room and a handful of
    nonemergency clinics—its impediment to medical practice
    is minimal. And to the extent that it provides that Dr. Golden
    “shall not be entitled” to work at any other facility owned or
    managed by CEP, it simply restates the obvious proposition
    that an employee does not have a general right to work for
    an employer without the employer’s consent. 4 Insofar as
    Paragraph 7 bars Dr. Golden from future employment at
    facilities owned or managed by CEP, therefore, it does not
    impose a substantial restraint on his medical practice. See
    Golden I, 782 F.3d at 1093 (Kozinski, J., dissenting) (noting
    that “[t]he provision barring Dr. Golden from current
    employment by CEP cannot possibly” violate section 16600,
    because if it did, “few employment disputes could ever be
    settled”). 5
    4
    Indeed, even Dr. Golden’s partnership agreement with CEP gave
    him no right to work at any CEP facility. Instead, it required him to
    “apply for available work at a site, go through an interviewing and
    credentialing process, and . . . be accepted to the medical staff of the
    service location.”
    5
    The dissent contends that our “approval of this restraint runs
    contrary to [our] own legal standard,” because “a provision that prevents
    Dr. Golden from practicing his profession with one of the largest
    providers of medical services in California” is “surely” a restraint of a
    substantial character. Dissent at 24 n. 2. But the dissent ignores the fact
    that this provision merely codifies a preexisting state of affairs between
    the parties. Dr. Golden has no right to work at CEP: even absent the
    settlement agreement, he could not work at CEP without CEP’s consent.
    Conversely, should CEP and Dr. Golden later mutually agree to reinstate
    their employment relationship, a contrary provision of a prior contract
    between them would not preclude them from doing so. Thus, far from
    GOLDEN V. CEP                               15
    The remainder of Paragraph 7, however, affects not only
    Dr. Golden’s employment at CEP itself, but also his current
    and future employment at third-party facilities. For
    example, Paragraph 7 bars Dr. Golden from working at “any
    CEP-contracted facility.” Under a fair reading of this
    provision, Dr. Golden would be ineligible for employment
    in any department of a hospital where CEP has a contract to
    provide, say, anesthesiology services—even if he would
    never have any contact with CEP’s staff. 6 Therefore, if Dr.
    Golden were compelled to sign the settlement agreement,
    CEP would be entitled to terminate him from his current
    employment at four facilities where CEP also has contracts. 7
    placing a restraint of a substantial character on Dr. Golden’s medical
    practice, this part of Paragraph 7 imposes no restraint at all.
    6
    In such a case, perhaps, CEP might not have the authority to
    prevent the third-party hospital from hiring Dr. Golden. By accepting
    employment at a facility where CEP has a contract, however, Dr. Golden
    would be in breach of Paragraph 7, which states that he “shall not be
    entitled to work” at such facilities.
    7
    Dr. Golden stated in his declaration that if he were compelled to
    sign the agreement, “CEP [could] and would fire me from all of my
    present jobs because CEP has a contract and gets paid by the same people
    who pay me.” The district court ruled Dr. Golden’s declaration
    inadmissible on this point due to lack of personal knowledge. But CEP
    conceded in a reply brief below that, “[a]s [Dr. Golden] correctly notes
    in his Declaration, CEP also has or had contracts for services with
    facilities that are owned and/or operated and/or otherwise affiliated with”
    the facilities where Dr. Golden is presently employed. In light of this
    concession, we think it proper to consider Dr. Golden’s assertion.
    The dissent claims that, in so doing, we “cursorily overrule[] the
    district court’s exclusion of this testimony.” Dissent at 29. Not so. Dr.
    Golden has not asked us to review the district court’s evidentiary ruling,
    and we do not do so here. Instead, we rely only on a concession made
    by CEP and the plain language of Paragraph 7, which states that CEP
    16                         GOLDEN V. CEP
    Paragraph 7 also states that CEP “has the right to and will
    terminate” Dr. Golden from a position as an emergency
    room physician or a hospitalist at any facility where CEP
    later contracts or “acquires rights.” 8 This means that if Dr.
    Golden were employed as a hospitalist or an emergency
    room physician, and if CEP later acquired a contract to
    provide, say, psychiatry services at his hospital, CEP would
    “have the right to and [would]” unilaterally terminate his
    employment.
    This interference with Dr. Golden’s ability to seek or
    maintain employment with third parties easily rises to the
    level of a substantial restraint, especially given the size of
    CEP’s business in California. 9 CEP currently staffs 160
    facilities in the state—including hospitals, trauma centers,
    urgent care clinics, and skilled nursing facilities—and it
    handles between twenty-five and thirty percent of the state’s
    emergency room admissions. Moreover, CEP appears to be
    “has the right to and will” terminate Dr. Golden from employment with
    any employer who contracts with CEP.
    8
    The record is unclear as to the exact meaning of the phrase
    “acquires rights” in Paragraph 7. Indeed, one CEP partner testified at his
    deposition that he had “no idea what it means.” But to the extent that it
    suggests that CEP could fire Dr. Golden from a facility where CEP
    acquires “rights” other than the contractual right to staff and operate the
    facility—an ownership interest, for example—it only broadens the scope
    of Paragraph 7’s applicability.
    9
    Indeed, we think it possible that even a smaller business with a
    more limited network of contractual relationships could run afoul of
    section 16600 by barring a former employee from current or future
    employment with its contractual partners. We need say no more than
    this, however, because here the restraint imposed by Paragraph 7 is
    clearly substantial.
    GOLDEN V. CEP                               17
    growing: according to its own records, the group’s market
    share has increased steadily over the past decade or so,
    moving from around twenty percent of all emergency room
    admissions in California in 2006 to just over twenty-seven
    percent in 2014. 10 These facts persuade us that Paragraph
    7’s effect on Dr. Golden’s medical practice is substantial,
    and that section 16600 therefore applies.
    CEP’s arguments against the application of section
    16600 are unpersuasive. CEP’s main point is that we should
    review for clear error the district court’s determination that
    Paragraph 7 is not a restraint of a substantial character, and
    that Dr. Golden has identified no such error here. See Wash.
    Mut., Inc. v. United States, 
    856 F.3d 711
    , 721 (9th Cir. 2017)
    (explaining that reversal under clear error review requires “a
    definite and firm conviction that a mistake has been made”
    (citation omitted)). We do not think—and Dr. Golden does
    not argue—that any specific factual finding made by the
    district court was clearly erroneous. But as we have already
    said, the question whether a restraint is one of a substantial
    character is a mixed question of law and fact; thus, although
    we defer to the district court’s factual findings, we review de
    novo its determination that Paragraph 7 is not a substantial
    restraint. See In re Cherrett, 873 F.3d at 1066. And as we
    10
    In his declaration, CEP’s chief operating officer admits that CEP
    has “rather ambitious” plans for expansion, but he states that the group
    anticipates that its future expansion will take place primarily outside of
    California, because “so many of the service locations in the state are part
    of the Kaiser system” and because “it is extremely unlikely that any
    medical group other than Kaiser would staff a Kaiser-owned service
    location.” Nothing in the agreement itself guarantees that CEP will
    adhere to its stated plans, however, and CEP’s growing share of
    California’s market for emergency room services suggests that its
    business in the state is growing as well.
    18                    GOLDEN V. CEP
    have already explained, the district court erred in making
    that determination here.
    Next, CEP suggests that Paragraph 7 does not impose a
    substantial restraint to the extent that it impedes Dr.
    Golden’s ability to practice as an emergency room
    physician, because that position does not appear to be the
    focus of his current practice. At his deposition, for example,
    Dr. Golden testified that he no longer practices emergency
    medicine and that he had not applied for a position in that
    field since 2011. And Dr. Golden’s CV lists seven
    specialties besides emergency medicine—starting with
    geriatrics, the specialty in which he completed his
    fellowship—which further suggests that Dr. Golden’s
    medical practice extends beyond emergency medicine.
    “A person’s ‘profession’ under section 16600 is not so
    expansive [as] to include all work for which he is qualified.”
    Campbell v. Bd. of Trs. of Leland Stanford Junior Univ.,
    
    817 F.2d 499
    , 503 (9th Cir. 1987). But Dr. Golden worked
    as an emergency room physician for three years before he
    was terminated by CEP, and he testified at his deposition that
    he still works as a hospitalist. Thus, work as an emergency
    room physician and a hospitalist is included within his
    “profession” for purposes of section 16600. And in any case,
    Paragraph 7 does not only restrain Dr. Golden from holding
    these positions: as we have already said, it would also
    prevent him from practicing any type of medicine at a
    facility where CEP has a contract. Even if emergency
    medicine were not properly characterized as Dr. Golden’s
    current profession, then, Paragraph 7 would still restrain
    other aspects of his medical practice—including his work as
    a hospitalist.
    CEP also argues that Paragraph 7 does not substantially
    restrain Dr. Golden from practicing emergency medicine
    GOLDEN V. CEP                             19
    because his lack of board certification would independently
    preclude him from working at most emergency rooms. But
    CEP does not argue that Dr. Golden’s lack of board
    certification prohibits him from practicing as a hospitalist.
    Moreover, there is no dispute that if Dr. Golden were to
    become board certified in emergency medicine, the only
    restraint on his ability to practice that specialty would then
    be Paragraph 7.
    Finally, we reject the dissent’s contention that our
    analysis is improperly based on speculation about events that
    may or may not occur should Paragraph 7 be allowed to take
    effect. See Dissent at 23 (citing Golden I, 782 F.3d at 1094
    (Kozinski, J., dissenting)); see also id. at 24–30 (arguing that
    Dr. Golden might not ultimately work at a facility where
    CEP later contracts to provide services, that CEP might not
    have the authority to fire Dr. Golden from such facilities, and
    that CEP might not continue to grow in California).
    Paragraph 7 is unequivocal: it states that Dr. Golden “shall
    not be entitled to work” at any facility where CEP has a
    contract, and that CEP “has the right to and will terminate”
    Dr. Golden’s employment if it later contracts with a facility
    where he is working as a hospitalist or emergency room
    physician. Far from being “highly speculative,” Dissent at
    22, these future events—the ones on which we base our
    decision—are expressly contemplated by the language of the
    contract before us. 11 And in any case, the dissent’s argument
    11
    Moreover, even if it were proper to require Dr. Golden to prove
    that CEP would likely enforce Paragraph 7 according to its plain terms,
    there is some evidence in the record to support that conclusion. For
    example, Dr. Golden stated in his declaration that he was terminated
    from a position as an emergency room physician in late 2010, shortly
    after CEP took over the contract for the emergency room where he was
    working. And although the dissent contends that this was because Dr.
    Golden was not board certified or board eligible, see Dissent at 26 n.4,
    20                         GOLDEN V. CEP
    was rejected by the majority in Golden I. See 782 F.3d at
    1088 (concluding that Dr. Golden’s challenge to Paragraph
    7 was ripe because his “legal interest in this case, stated
    precisely, concerns the present enforcement of the
    settlement rather than the future interaction between the no-
    employment provision and his emergency-medicine
    practice”). 12 We are bound by that conclusion here.
    In sum, the text of section 16600, the California courts’
    interpretation of that text, and the statute’s underlying
    legislative policy together persuade us that the statute applies
    to any professional restraint that substantially—i.e.,
    significantly or materially—restrains a person’s lawful
    profession, trade, or business.        Under this standard,
    Paragraph 7 survives to the extent that it bars Dr. Golden
    from working at facilities that are owned or operated by
    CEP, but it fails to the extent that it prevents him from
    working for employers that have contracts with CEP and to
    the extent that it permits CEP to terminate him from existing
    employment in facilities that are not owned by CEP. Thus,
    because CEP does not argue that any exception to section
    16600 applies, and because the parties do not dispute that
    Paragraph 7 is material to the settlement agreement, see
    Dr. Golden stated in his declaration that “there were [other] non-[board
    eligible or board certified] doctors” employed at that emergency room
    “who were not terminated” when CEP took over.
    12
    The dissent cites this language from Golden I for the proposition
    that we “cannot rely” on future events in evaluating Paragraph 7. Dissent
    at 27 n.6. But this is not what Golden I said. Rather, Golden I said that
    the “legal interest” that Dr. Golden sought to vindicate was the contract’s
    present invalidity—not its invalidity at some future point in time—such
    that his case was ripe. See 782 F.3d at 1088 (“[Dr. Golden] argues that,
    under the State’s business and professions code, the agreement is
    currently void.”). Our holding is entirely consistent with this
    proposition.
    GOLDEN V. CEP                        21
    Golden I, 782 F.3d at 1088 n.2, the entire agreement is void,
    and the district court abused its discretion in ordering Dr.
    Golden to sign it.
    We therefore REVERSE the district court’s order
    directing Dr. Golden to sign the settlement agreement and
    REMAND for further proceedings consistent with this
    opinion.
    M. SMITH, Circuit Judge, dissenting:
    Dr. Golden filed a lawsuit against CEP when it
    terminated his medical staff privileges, allegedly because of
    poor performance. Just before trial was to begin, the parties
    reached a settlement agreement in which CEP agreed to pay
    Dr. Golden some money, and he agreed to give up any
    opportunity to work again for CEP. At that point, however,
    this dispute ceased being a typical employment dispute and
    metastasized into one of those cases that only Franz Kafka
    could love. First, when the parties finalized the settlement
    agreement in writing, they appeared before a magistrate
    judge to confirm their agreement, at which appearance Dr.
    Golden expressly told the judge that he agreed with the terms
    of the settlement agreement. Apparently, his word meant
    nothing. Shortly thereafter, Dr. Golden backed out of the
    settlement agreement, and refused to sign the settlement
    document, which he knew stiffed his lawyer out of the
    contingency fee he had earned for representing Dr. Golden
    for three years. Then, undercutting the quid pro quo
    underlying the entire settlement, Dr. Golden claimed
    retroactively that the reason he refused to sign the settlement
    agreement to which he had assented in open court was that
    it violated California Business and Professions Code
    § 16600. This is sheer humbug, and it is lamentable that the
    22                     GOLDEN V. CEP
    change in California law conjured by the majority has the
    effect of rewarding Dr. Golden’s dishonorable conduct.
    The parties are before us for a second time, disputing
    whether the district court abused its discretion in concluding
    that the settlement agreement did not constitute a restraint of
    a substantial character in violation of section 16600. I
    respectfully dissent because the majority concludes that the
    agreement violates section 16600 based primarily on a series
    of highly speculative future professional restraints that may
    or may not happen, and because the district court followed
    our guidance and applied it faithfully to the facts.
    Section 16600 bars contracts that restrain an individual
    from “engaging in a lawful profession, trade, or business of
    any kind.” In Edwards v. Arthur Andersen LLP, the
    California Supreme Court evaluated the validity of non-
    competition agreements under section 16600. The court
    rejected a rule of reasonableness approach due to section
    16600’s “settled legislative policy in favor of open
    competition and employee mobility.” 
    189 P.3d 285
    , 288,
    291 (Cal. 2008). Edwards further declined to accept a
    “narrow-restraint” exception that we previously adopted.
    See 
    id.
     at 290–92.
    In Golden v. California Emergency Physicians Medical
    Group (Golden I), we expanded section 16600’s application
    to “other contractual restraints on professional practice.”
    
    782 F.3d 1083
    , 1093 (9th Cir. 2015). However, we did not
    extend Edwards to prohibit all restraints on one’s profession.
    Instead, section 16600 bars only restraints “of a substantial
    character.” Id.; see Chamberlain v. Augustine, 
    156 P. 479
    ,
    480 (Cal. 1916). Therefore, Edwards’s admonition against
    a “narrow-restraint” exception is limited to “employee
    noncompetition agreements,” 189 P.3d at 288, and other
    contractual restraints are subject to a “restraint of a
    GOLDEN V. CEP                             23
    substantial character” standard, see Golden I, 782 F.3d at
    1093; see also In re J.T. Thorpe, Inc., 
    870 F.3d 1121
    , 1139
    (9th Cir. 2017) (Korman, J., dissenting). 1
    Until today, no court has defined what constitutes a
    “restraint of a substantial character” under California law.
    Rather, we have emphasized that there is no one-size-fits-all
    approach to this inquiry. We have acknowledged that this is
    a more “stringent rule” than the traditional “rule of
    reasonableness.” Golden I, 782 F.3d at 1091 n.4 (quoting
    Restatement (Second) of Contracts § 188 (1981)). More
    importantly, we have acknowledged that this is a fact-
    specific inquiry. See id. at 1093. Indeed, the foundational
    case states that whether an agreement constitutes a “restraint
    of a substantial character” requires consideration of “[t]he
    circumstances surrounding the transaction.” Chamberlain,
    
    156 P. at 480
    .
    On remand, the district court “conduct[ed] further fact-
    finding” on what we acknowledged was a “relatively
    undeveloped” record and reached the proper result. See
    Golden I, 782 F.3d at 1093. First, the district court correctly
    applied the law to the facts before it and therefore did not
    abuse its discretion in granting the motion to enforce the
    settlement agreement. Second, as warned by the dissent in
    Golden I, any potential restraint imposed by Paragraph 7 is
    too speculative to “serve as an excuse for Dr. Golden to
    finagle his way out of his contract.” Id. at 1094 (Kozinski,
    J., dissenting). The evidence before the district court
    1
    Under the majority’s analysis of Edwards any restraint, no matter
    how “narrow,” is impermissible. Whether or not this is a correct
    interpretation of Edwards, we are bound by our prior decision in Golden
    I, as was the district court. See Int’l Bus. Machs. Corp. v. Bajorek,
    
    191 F.3d 1033
    , 1041 (9th Cir. 1999) (“We are not free to read California
    law without deferring to our own precedent on how to construe it.”).
    24                         GOLDEN V. CEP
    provides only “remote [and] contingent” scenarios that may
    or may not impose a substantial restraint on Dr. Golden’s
    profession at some unknown time in the future. 
    Id.
     For these
    reasons, the district court did not abuse its discretion.
    Like the majority, I divide Paragraph 7 into three
    categories. I agree with the majority that the first category—
    the bar on Dr. Golden from employment at facilities owned
    or managed by CEP—cannot constitute a restraint of a
    substantial character. 2 See 
    id. at 1093
     (“The provision
    barring Dr. Golden from current employment by CEP cannot
    possibly violate . . . [section] 16600 . . . . If this violates
    section 16600, few employment disputes could ever be
    settled.”). I disagree with the majority that the remaining
    two categories—(1) that “Golden shall not be entitled to
    work or be reinstated at any CEP-contracted facility” and
    (2) “CEP has the right to and will terminate Golden” from
    an emergency room physician or hospitalist at any facility
    where CEP later contracts or acquires rights 3—violate
    section 16600.
    2
    The majority’s approval of this restraint runs contrary to its own
    legal standard. The majority concludes that a restraint of a substantial
    character is any restraint that “significantly or materially impedes a
    person’s lawful profession, trade or business.” Under the majority’s
    legal standard, surely a provision that prevents Dr. Golden from
    practicing his profession with one of the largest providers of medical
    services in California is a restraint of a substantial character. The
    majority’s divergent conclusions between category one versus categories
    two and three illustrate how difficult it is to cabin the legal standard
    produced by the majority.
    3
    To the extent that “acquires rights” includes scenarios where CEP
    owns or manages a facility, this would fall within the first category,
    which does not constitute a restraint of a substantial character. To the
    extent that this term is unclear, it was Dr. Golden’s burden to prove that
    GOLDEN V. CEP                              25
    Although there is no controlling authority directly on
    point, a review of the relevant cases is helpful. Paragraph 7
    bears no resemblance to the onerous restraints that the
    California Supreme Court invalidated in Chamberlain and
    Edwards. The agreement in Chamberlain required the
    defendant, who sold stock in his company, to pay the
    purchaser $5,000 if he became directly or indirectly
    interested in a similar business in the next three years. 
    156 P. at
    479–80. This is, without a doubt, a “restraint of a
    substantial character”—it barred the defendant from
    engaging in an entire “profession, trade, or business.” See
    
    Cal. Bus. & Prof. Code § 16600
    . In Edwards, the California
    Supreme Court struck down a non-competition agreement
    that barred an accountant from providing accounting
    services to former clients for eighteen months and barred the
    accountant from soliciting his former employer’s clients for
    twelve months. 189 P.3d at 292.
    The only intervening state court decision since Golden I,
    USS-POSCO Industries v. Case, rests at the other end of the
    spectrum. There, the California Court of Appeal concluded
    that a clause requiring the repayment of costs for employer-
    provided training if an employee left the job within a certain
    time did not violate section 16600. 
    197 Cal. Rptr. 3d 791
    ,
    800–01 (Ct. App. 2016). The court held that, unlike the
    provisions in Edwards and Chamberlain, the provision did
    not restrain the employee from engaging in his chosen
    profession. 
    Id.
     at 801–02. It discouraged leaving for a
    certain length of time by requiring repayment of educational
    training funds, but this did not rise to the level of a restraint
    this term violated public policy, a burden he did not carry. See Rosen v.
    State Farm Gen. Ins. Co., 
    70 P.3d 351
    , 359 (Cal. 2003).
    26                         GOLDEN V. CEP
    of a substantial character in violation of section 16600. See
    id. at 802.
    In light of this background, the district court did not
    abuse its discretion in concluding that the remainder of
    Paragraph 7 was not a restraint of a substantial character.
    The contracts in Edwards and Chamberlain barred
    individuals from engaging in their chosen profession. In
    contrast, Dr. Golden has been employed, and has not been
    denied any position for which he has applied, 4 since this
    litigation began. Nor can Dr. Golden point to any evidence
    that he would be fired, actually restrained, or barred from
    engaging in his profession upon signing the settlement
    agreement.
    In addition, Paragraph 7 limits employment only with
    CEP or CEP-affiliated facilities. 5 Dr. Golden is free to
    engage as a hospitalist, emergency room physician, or in any
    other medical specialty for entities unaffiliated with CEP,
    which is far from a “curb [on] competition,” id., or a
    limitation on “open competition,” see Edwards, 189 P.3d at
    290. Similar to the provision in USS-POSCO, Paragraph 7
    imposes certain restrictions on future employment options,
    4
    The majority points to Dr. Golden’s termination from a position as
    an emergency room physician shortly after CEP took over the contract
    for that emergency room. Dr. Golden was terminated because he was
    not board certified or board eligible in emergency medicine, as required
    by CEP. As discussed more thoroughly below, his termination and his
    inability to find employment on this basis is a restraint imposed by his
    insufficient qualifications, not Paragraph 7.
    5
    CEP’s handling of twenty-five to thirty percent of emergency room
    admissions for California (excluding specialty hospitals) is irrelevant to
    our inquiry, because the provision barring Dr. Golden from working for
    CEP is not void under section 16600.
    GOLDEN V. CEP                              27
    but does not curb competition or substantially restrain Dr.
    Golden’s ability to engage in his chosen profession.
    Therefore, Paragraph 7 is more akin to the provision upheld
    in USS-POSCO than the restraints struck down in
    Chamberlain and Edwards.
    More importantly, even if the two remaining categories
    could constitute an impermissible restraint, the evidence—
    including the facts found by the district court—indicate that
    any potential restraint remains too speculative to determine
    the outcome in this case. 6 As the dissent in Golden I
    forewarned: “We have no way of knowing whether this part
    of the settlement agreement will ever come into play, as its
    enforcement depends on numerous circumstances that are
    not capable of determination at this time . . . .” Golden I,
    782 F.3d at 1093 (Kozinski, J., dissenting). The majority
    treats remote and contingent scenarios as if they were
    certainties in order to justify voiding the settlement
    agreement. In doing so, the majority expands the scope of
    section 16600 and preserves for Dr. Golden “an unfettered
    6
    The majority suggests that this argument is precluded by our
    decision in Golden I that Dr. Golden’s challenge to Paragraph 7 is ripe.
    I disagree. In Golden I, we concluded that Dr. Golden’s interest
    “concerns the present enforcement of the settlement” and therefore this
    case is ripe for adjudication. 782 F.3d at 1088. The present enforcement
    of the settlement, however, cannot rely upon “the future interaction
    between the no-employment provision and his [medical] practice.” See
    id. Ignoring this guidance, the majority “base[s] [its] decision” on the
    interaction between “future events” and Dr. Golden’s medical practice.
    Similarly, the majority’s position that all of the future events it relies
    upon “are expressly contemplated” by Paragraph 7 is overstated. For
    example, Paragraph 7 does not expressly contemplate CEP’s future
    growth in California. To strike down Paragraph 7 requires facts
    indicating that it will substantially restrain Dr. Golden, not that it may
    substantially restrain Dr. Golden.
    28                       GOLDEN V. CEP
    right to employment . . . , no matter how remote or
    contingent.” Id. at 1093–94.
    For instance, the majority suggests that Paragraph 7 may
    bar Dr. Golden from working as a hospitalist at a facility if
    CEP later contracts to provide anesthesiology services at that
    facility. First, it is speculative whether Dr. Golden will work
    as a hospitalist at a facility where CEP later contracts to
    provide unrelated services. Second, even if this did occur,
    we do not know now whether CEP, as a contractor of
    unrelated services, would have “the right to and [would]
    terminate Golden” from his position. Indeed, the majority
    recognizes that CEP might not have the authority to prevent
    the third-party hospital from hiring Dr. Golden or to require
    the third-party hospital to fire Dr. Golden. 7 Because we do
    not know whether CEP will, at some unknown time, be able
    to “interfere[] with Dr. Golden’s ability to seek or maintain
    employment with third parties,” it is improper to hold that
    Paragraph 7 constitutes an actual restraint of a substantial
    character.
    Similarly, Dr. Golden’s argument that he would be fired
    immediately from all his current jobs if the settlement
    agreement is enforced is baseless. The only evidence that
    Dr. Golden proffers is his self-serving affidavit. However,
    the district court ruled Dr. Golden’s declaration on this point
    inadmissible due to a lack of personal knowledge, and Dr.
    Golden fails to explain how the district court abused its
    discretion in doing so. See United States v. Lloyd, 
    807 F.3d 1128
    , 1151 (9th Cir. 2015). Therefore, there is no factual
    7
    The majority suggests that Dr. Golden would breach the agreement
    if he worked at a facility where CEP has a contract. This hypothetical
    depends on CEP pursuing a breach of contract claim against CEP, which
    may not occur.
    GOLDEN V. CEP                              29
    basis to conclude that he would be fired immediately from
    all his current jobs.
    The majority, in a footnote, cursorily overrules the
    district court’s exclusion of this testimony. This is error.
    First, the majority fails to provide a legal basis for
    concluding that the district court abused its discretion in
    excluding this portion of Dr. Golden’s affidavit. Second, it
    relies on specious reasoning. CEP conceded that it contracts
    with facilities that employ Dr. Golden; however, CEP did
    not concede that Dr. Golden would be fired immediately
    from his present jobs if the court enforced the settlement
    agreement. The majority makes this inferential leap without
    justification. Moreover, as stated above, it is not enough to
    state summarily that CEP will terminate Dr. Golden from
    any employer who contracts with CEP because we do not
    know whether CEP would have the authority to do so.
    The majority also points to CEP’s growth in California
    in support of its view that the agreement will substantially
    restrain Dr. Golden’s employment with CEP-affiliated
    facilities. 8 CEP’s presence has grown in California in the
    past decade.       Nevertheless, past performance is not
    necessarily indicative of future results: CEP’s previous
    growth does not mean that its future growth in California is
    certain, or even likely. Indeed, CEP’s chief operating officer
    states that CEP’s future growth is aimed outside of
    California due to the extensive Kaiser system in California.
    CEP has plans to contract with only one facility in Northern
    8
    The majority notes that one type of facility that CEP currently
    staffs is urgent care centers. Under certain conditions, Paragraph 7 does
    not bar Dr. Golden from working in CEP-owned or contracted urgent
    care facilities.
    30                        GOLDEN V. CEP
    California, where Dr. Golden currently resides and works. 9
    Further, if CEP’s current presence in California was
    sufficient in and of itself, we would have declared Paragraph
    7 unlawful in Golden I based on CEP’s large presence,
    782 F.3d at 1084, instead of remanding for further fact-
    finding, id. at 1093.
    Last, the majority’s conclusion that Paragraph 7 imposes
    an impermissible restraint on his ability to practice
    emergency medicine is unsupported by the record. Dr.
    Golden did practice emergency medicine for a few years
    prior to 2011. However, the record indicates that he would
    not now be qualified to work at a CEP-affiliated emergency
    facility for reasons independent of Paragraph 7—he is not
    board certified in emergency medicine. If a person’s
    profession does not necessarily “include all work for which
    he is qualified,” surely it goes without saying that Dr.
    Golden’s profession does not include work for which he is
    not qualified. See Campbell v. Bd. of Trs. of Leland Stanford
    Junior Univ., 
    817 F.2d 499
    , 503 (9th Cir. 1987). Therefore,
    any restraint on Dr. Golden’s ability to practice emergency
    medicine is due to his want of professional credentials, and
    not as a consequence of Paragraph 7.
    The majority’s last resort is to rely on further
    speculation: If Dr. Golden is qualified to become board
    certified (which is uncertain at best), if he actually becomes
    board certified, and if he decides to practice emergency
    9
    Even assuming CEP is in the processing of growing more in
    California, other speculative problems remain. For one, CEP generally
    offers existing physicians at new facilities an opportunity to join CEP.
    Although CEP has the power to unilaterally withhold an offer from an
    existing physician at a new service location, it has not done so since at
    least 2013. Whether CEP will deviate from its general practice is too
    speculative to be relevant here.
    GOLDEN V. CEP                        31
    medicine, then the only restraint on practicing that specialty
    with a CEP-affiliate is Paragraph 7. This scenario is too
    remote to serve as the basis for striking down Paragraph 7,
    invalidating the settlement agreement, and changing
    California law.
    In sum, the settlement agreement would not substantially
    restrain Dr. Golden from engaging in his chosen profession.
    The only discernable limitation on his profession is that he
    can no longer work for CEP, which even the majority agrees
    does not violate section 16600. Even if the other provisions
    of Paragraph 7 may someday impose a substantial restraint,
    such future events are too speculative to justify reversing the
    district court today. Dr. Golden has been employed
    continuously since this litigation began and he cannot point
    to a single instance where Paragraph 7 will actually restrain
    his medical practice. Thus, to hold that Paragraph 7
    constitutes a restraint of a substantial character is
    impermissibly speculative and erroneous.
    In Golden I, we remanded this case to the district court
    with instructions to determine, based on the facts before it,
    whether the settlement agreement constitutes a restraint of a
    substantial character. The district court applied the correct
    law and did not rest its decision on a clearly erroneous
    finding of fact. See Latshaw v. Trainer Wortham & Co.,
    
    452 F.3d 1097
    , 1100 (9th Cir. 2006). The majority’s opinion
    today limits employers and employees from entering into
    settlement agreements based on hypothetical scenarios that
    may or may not happen years down the road. Because the
    district court did not abuse its discretion in granting the
    motion to enforce the settlement agreement, I respectfully
    dissent.