Lopez v. Lopez ( 2022 )


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  • Filed 7/20/22
    CERTIFIED FOR PUBLICATION
    IN THE COURT OF APPEAL OF THE STATE OF
    CALIFORNIA
    SECOND APPELLATE DISTRICT
    DIVISION FOUR
    CYNTHIA LOPEZ,                         B315959
    Plaintiff and Appellant,       (Los Angeles County
    Super. Ct. No. BC669038)
    v.
    KENNETH LOPEZ,
    Defendant and Respondent.
    APPEAL from an order of the Superior Court of Los
    Angeles County, Jon R. Takasugi, Judge. Reversed.
    Daniel Boone, for Plaintiff and Appellant.
    Law Offices of Dilip Vithlani and Dilip Vithlani, for
    Defendant and Respondent.
    INTRODUCTION
    In this opinion, we hold the trial court failed to apply
    the proper legal standards, and thereby abused its
    discretion, in disqualifying attorney Daniel Boone from
    representing appellant Cynthia Lopez under the advocate-
    witness rule. We publish to further clarify the standards
    applicable to a disqualification motion under the advocate-
    witness rule, having previously done so in affirming an
    attorney’s disqualification in Doe v. Yim (2020) 
    55 Cal.App.5th 573
     (Yim).
    In 2015, appellant, then proceeding pro se, brought this
    action against respondent Kenneth Lopez, her brother,
    alleging he had falsely accused her of committing crimes
    against him and their elderly parents. In January and
    February 2016, respondent emailed Boone (appellant’s
    husband since June 2015, her former coworker at his law
    firm, and later her counsel in this action), warning that if
    appellant did not settle the action, respondent would file a
    cross-complaint the next day, which he did. The court
    subsequently dismissed respondent’s cross-complaint. In
    May 2017, appellant retained Boone to represent her pro
    bono or at a discounted rate, having been advised by Boone
    that he would likely need to testify at trial, and having
    executed informed written consent to Boone’s representation
    notwithstanding his expected dual role as advocate and
    witness. Appellant then filed a first amended complaint,
    adding allegations concerning respondent’s emails to Boone,
    and a claim of malicious prosecution based on respondent’s
    2
    filing of his dismissed cross-complaint. Boone continued
    representing appellant in this action for over four years.
    In August 2021, two months before trial, respondent
    moved to disqualify Boone as appellant’s counsel under
    California’s advocate-witness rule, viz., rule 3.7 of the Rules
    of Professional Conduct (Rule 3.7). Appellant opposed the
    motion, principally relying on Rule 3.7’s exception for cases
    in which the attorney has obtained the client’s informed
    written consent to the attorney’s dual role. Appellant also
    argued respondent’s disqualification motion was untimely
    and tactically motivated. Although neither party specified
    the precise subject matter of Boone’s expected testimony,
    appellant represented his testimony would concern his
    receipt of respondent’s January and February 2016 emails,
    and the emails’ undisputed contents.
    In September 2021, the court held a hearing, issuing in
    advance a tentative ruling disqualifying Boone from all
    phases of the litigation. Appellant observed that the
    tentative ruling failed to apply Rule 3.7 and its informed-
    consent exception, instead applying rule 3.7 of the ABA
    Model Rules of Professional Conduct (the ABA Rule), which
    was not binding and lacked any informed-consent exception.
    Appellant also argued the tentative ruling was overbroad in
    disqualifying Boone from all phases of the litigation because,
    inter alia, Rule 3.7 is limited on its face to trial. The same
    day, the court adopted its tentative ruling, finding
    respondent’s motion timely and not tactically motivated, and
    applying the ABA Rule to disqualify Boone from all phases of
    3
    the litigation. The court did not cite Rule 3.7, address the
    rule’s informed-consent exception, or find that Boone’s
    disqualification was necessary “to protect the trier of fact
    from being misled or the opposing party from being
    prejudiced.” (Rules Prof. Conduct, rule 3.7(a), com. 3.) Nor
    did the court address Rule 3.7’s limitation to advocacy “in a
    trial.” (Id., rule 3.7(a).)
    On appeal from the disqualification order, appellant
    contends the court abused its discretion by (1) failing to
    apply the proper legal standards in disqualifying Boone
    under the advocate-witness rule; and (2) erroneously finding
    that respondent’s disqualification motion was timely and not
    tactically motivated.
    Agreeing with appellant’s first contention, we need not
    reach her second. We conclude the court abused its
    discretion in disqualifying Boone from all phases of the
    litigation because it failed to apply the proper legal
    standards, viz., Rule 3.7’s informed-consent exception and
    limitation to trial. Accordingly, we reverse the
    disqualification order.
    PROCEEDINGS BELOW
    A. Early Litigation and Prior Appeal
    In November 2015, appellant, proceeding pro se,
    initiated this action against respondent, her brother,
    asserting claims of defamation and infliction of emotional
    distress. (Lopez v. Lopez (June 10, 2019, No. B287383) 2019
    Cal.App.Unpub. LEXIS 3976, at *2 (Lopez I).) Appellant
    4
    alleged that in 2014 and early 2015, respondent falsely
    accused her of committing bank fraud and identity theft
    against him and their elderly parents. (Ibid.) In January
    2016, respondent filed a cross-complaint. (Ibid.) In January
    2017, appellant retained attorney Justin Romig to represent
    her in this action. In February 2017, the trial court (Judge
    Richard Rico) dismissed respondent’s cross-complaint.
    (Ibid.)
    In May 2017, appellant filed a substitution-of-attorney
    form replacing her former counsel with Boone, her husband
    since June 2015 and her former coworker at Boone’s law
    firm. In June 2017, appellant filed a first amended
    complaint, reasserting her original claims for defamation
    and emotional distress and adding new claims for malicious
    prosecution (based on respondent’s filing of his dismissed
    cross-complaint), abuse of process, and “‘[i]njunctive [r]elief.’”
    (Lopez I, supra, 2019 Cal.App.Unpub. LEXIS 3976, at *2-*3.)
    The first amended complaint newly alleged that in January
    2016, respondent defamed appellant by email to her former
    coworkers.
    In September 2017, respondent filed a special motion
    to strike the first amended complaint under Code of Civil
    Procedure section 425.16 (anti-SLAPP motion). (Lopez I,
    supra, 2019 Cal.App.Unpub. LEXIS 3976, at *4.) In
    opposition to the anti-SLAPP motion, appellant submitted,
    inter alia, a declaration from Boone. (Id. at *5.) Boone
    declared that on January 27, 2016 (the day before
    respondent filed his cross-complaint), respondent emailed
    5
    Boone at Boone’s law firm (appellant’s former workplace),
    encouraging Boone to advise appellant to settle the matter,
    and indicating respondent would otherwise report the
    matter to various government agencies and file a cross-
    1
    complaint. On February 15, 2016, respondent again
    emailed Boone, stating in relevant part: “[M]ore evidence
    came to light about your wife that is very damning. Since
    you are married you will ultimately be responsible for any
    judgment’s [sic] against your wife.” Boone declared that
    respondent’s emails were immediately and permanently
    accessible not only to Boone but also to all other firm
    employees.
    1
    Respondent’s January 2016 email to Boone, submitted as
    an exhibit, read: “I hope [appellant] showed you my settlement
    offer. If not[,] I have provided it as an attachment. Your wife has
    gotten herself into trouble once again. My attorney feels she
    needs some consul [sic] from someone that is rational. I intend to
    go to the district attorney’s office and the FBI tomorrow, as well
    [sic] report this matter to the credit agencies, FINRA and
    Comptroller of the Currency. I also have a [sic] friends with
    various state agencies that deal with this kind of issues regarding
    banks and elderly people. I hope you weigh the cost and benefits
    of continuing with [appellant]’s irrational behavior. E-mails
    containing mine [sic] and my parents[’] financial records were in
    fact disseminated without our written authorization. The 24
    h[ou]rs I gave [appellant] expire at approximately 5 p.m. today.”
    The attachment stated that if appellant did not timely accept
    respondent’s settlement offer, respondent would file a cross-
    complaint. As noted, respondent filed his cross-complaint the
    next day.
    6
    In November 2017, the court denied respondent’s
    anti-SLAPP motion. (Lopez I, supra, 2019 Cal.App.Unpub.
    LEXIS 3976, at *6.) Respondent filed an appeal, to which
    appellant responded, still represented by Boone. (Id. at *1.)
    In July 2019, we reversed the anti-SLAPP order with respect
    to one claim immaterial to this appeal, but otherwise
    affirmed the denial of respondent’s anti-SLAPP motion,
    allowing the majority of appellant’s claims to proceed. (Id. at
    *1-*2, *20.)
    B. Association and Illness of Co-Counsel
    From August 2019 to May 2021, Boone continued to
    represent appellant in moving to recover fees and costs
    incurred in opposing respondent’s anti-SLAPP motion,
    litigating discovery motions, and engaging in discovery. In
    May 2021, three months before trial was set to begin,
    appellant filed an association-of-attorney form signed by
    attorney Michael Trauben, designating Trauben’s law firm
    as Boone’s co-counsel.
    In July 2021, appellant filed an ex parte application for
    a trial continuance, based principally on Trauben’s expected
    unavailability due to a medical emergency that had
    hospitalized him and would require surgery in mid-August.
    In support of the continuance request, Boone declared, inter
    alia, that Trauben’s association as “co-counsel and trial
    counsel” had been necessary because Boone was “expected to
    be a witness at trial.” At a hearing on the request,
    respondent did not oppose a short continuance, but
    7
    questioned why Boone could not “do the trial” alone;
    respondent did not acknowledge or object to Boone’s
    expressed intent to testify at trial.
    The court continued the hearing to August 12, 2021.
    On that date, the court found appellant had failed to produce
    sufficient information concerning Trauben’s health to
    establish good cause for a continuance, but nevertheless
    continued the trial to October 18, 2021, to account for
    developments in the COVID-19 pandemic. At the conclusion
    of the August 12 hearing, the court held an informal
    discovery conference (IDC) in chambers, which was not
    reported. During the IDC, Boone again stated he intended
    to testify at trial.
    C. Disqualification Motion
    On August 23, 2021, respondent filed a motion to
    disqualify Boone as appellant’s counsel under the advocate-
    2
    witness rule, viz., Rule 3.7. Respondent acknowledged he
    2
    “California’s current version of the advocate-witness rule
    provides, ‘A lawyer shall not act as an advocate in a trial in which
    the lawyer is likely to be a witness unless: [¶] (1) the lawyer’s
    testimony relates to an uncontested issue or matter; [¶] (2) the
    lawyer’s testimony relates to the nature and value of legal
    services rendered in the case; or [¶] (3) the lawyer has obtained
    informed written consent from the client.’ (Rules Prof. Conduct,
    rule 3.7(a), fn. omitted.) A comment to the rule clarifies that the
    informed-consent exception is not absolute: ‘Notwithstanding a
    client’s informed written consent, courts retain discretion to take
    action, up to and including disqualification of a lawyer who seeks
    (Fn. is continued on the next page.)
    8
    did not know the subject matter of Boone’s expected
    testimony, but asserted, “[I]t hardly takes an evidentiary
    foundation to believe that whatever [Boone] testifies to will
    involve contested issues.” Without attempting to identify
    any contested issue to which Boone’s testimony might be
    relevant, respondent argued that allowing Boone to continue
    representing appellant would prejudice respondent and the
    integrity of the judicial process, because the jury might be
    confused as to whether Boone’s statements at trial were
    evidence or argument. Respondent’s motion papers
    mentioned that Boone was appellant’s husband, but did not
    seek to disqualify Boone on this ground.
    The next day, the court held a hearing on respondent’s
    ex parte application to shorten the time for hearing the
    disqualification motion. The court repeatedly stated it was
    “shocked” to have learned Boone was married to his client.
    Respondent emphasized that his motion was based on the
    advocate-witness rule. Through an associate from Trauben’s
    firm, appellant represented that Boone’s expected testimony
    would concern only “minor uncontested issues” related to
    “his receipt of a few emails from defendant, and undisputed
    contents therein.” Respondent did not dispute this
    representation, but argued that Boone’s testimony would be
    to both testify and serve as an advocate, to protect the trier of
    fact from being misled or the opposing party from being
    prejudiced.’” (Yim, supra, 55 Cal.App.5th at 581-582.)
    9
    “predisposed” toward appellant in light of their marriage.
    The court set the motion for hearing on September 16, 2021.
    D. Opposition and Reply
    On September 9, 2021, appellant filed a written
    opposition to respondent’s disqualification motion, supported
    by declarations from appellant and Boone. Appellant
    declared that in April 2017 (three months after she had
    retained attorney Romig), having found she could no longer
    afford Romig’s services, she asked Boone to represent her
    pro bono or at a discounted rate. According to both
    declarations, Boone advised appellant he would likely need
    to testify at trial, explained potential problems associated
    with his expected dual role as advocate and witness, and
    recommended that she obtain independent advice on the
    matter. In May 2017, after obtaining independent advice
    from other attorneys, appellant executed informed written
    3
    consent to Boone’s dual role. Throughout his
    representation, Boone provided his services pro bono or, in
    the case of “extensive motion practice and oral argument,” at
    a discounted hourly rate of $150.
    3
    In an attached document, signed by appellant and Boone
    and dated May 1, 2017, appellant attested under penalty of
    perjury that she consented to Boone’s representation, after
    having been fully advised of the potential problems posed by
    Boone’s dual role, and having sought the advice of independent
    counsel. Appellant’s September 2021 declaration “reiterate[d]”
    her consent.
    10
    In her opposition brief, appellant argued that under
    Rule 3.7’s informed-consent exception, Boone’s
    disqualification was precluded as a matter of law, or at least
    unwarranted in light of the balance of interests at stake.
    Appellant argued she would be prejudiced by Boone’s
    disqualification notwithstanding the association of Boone’s
    co-counsel, because his co-counsel could not prepare for trial
    as successfully or cost-effectively without assistance from
    Boone, whom appellant knew to be capable and who
    provided his services to her pro bono or at a discounted rate.
    In contrast, she argued, respondent had failed to show that
    allowing Boone to continue representing her would cause
    any prejudice to respondent or to the integrity of the judicial
    process. Appellant further argued the disqualification
    motion was untimely and tactically motivated, as respondent
    had been put on notice during the anti-SLAPP litigation that
    Boone would likely testify at trial “about [respondent]’s
    email showing malice,” but respondent had raised no
    objection to Boone’s dual role until Boone’s co-counsel
    suffered a medical emergency on the eve of trial. Finally,
    appellant observed that respondent had failed to identify
    any prohibition against an attorney representing the
    4
    attorney’s spouse, as no such prohibition existed.
    4
    We note that the Rules of Professional Conduct
    affirmatively imply a lawyer is not prohibited from representing
    the lawyer’s spouse. (See Rules Prof. Conduct, rule 1.8.10(a) [“A
    lawyer shall not engage in sexual relations with a current client
    (Fn. is continued on the next page.)
    11
    In reply, respondent asserted he was “not arguing that
    Mr. Boone should not represent Plaintiff,” but instead was
    seeking to “disqualify Mr. Boone as counsel because he has
    chosen to testify on his wife’s behalf so that [respondent] can
    get a fair trial . . . .” Respondent implied appellant’s
    informed written consent was defective because it was
    executed before the adoption of Rule 3.7, and argued that in
    any event, her consent did not preclude disqualification to
    avoid prejudice to respondent and to the integrity of the
    5
    judicial process.
    E. Hearing and Ruling
    On September 16, 2021, the court held a hearing on
    respondent’s disqualification motion, confirming at the
    who is not the lawyer’s spouse or registered domestic partner,
    unless a consensual sexual relationship existed between them
    when the lawyer-client relationship commenced” (italics added)].)
    5
    On appeal, respondent argues appellant’s informed written
    consent was defective because it was not given on the record,
    citing the following comment to Rule 3.7: “‘A lawyer’s obligation
    to obtain informed written consent may be satisfied when . . . the
    client gives informed consent on the record in court before a
    licensed court reporter or court recorder who prepares a
    transcript or recording . . . .’” (Rules Prof. Conduct, rule 3.7(a),
    com. 2, italics added.) However, this comment does not require
    that informed written consent be given in this manner. In any
    event, the trial court did not find appellant’s informed written
    consent was defective, and it would have erred had it done so for
    the reason advanced by respondent without allowing appellant
    an opportunity to give consent on the record.
    12
    outset that counsel had read its tentative ruling
    disqualifying Boone. Appellant observed that the tentative
    ruling failed to apply Rule 3.7, instead applying the ABA
    Rule, which was not binding and lacked any informed-
    6
    consent exception. Appellant also requested clarification of
    the scope of the tentative ruling, observing that Rule 3.7 was
    limited on its face to trial, and arguing that respondent’s
    reply brief sought disqualification only at trial (which
    respondent denied). Otherwise, appellant generally
    repeated the arguments in her written opposition.
    Respondent submitted on the tentative ruling, but
    additionally asserted that his motion papers sought Boone’s
    disqualification “for all purposes,” including representation
    “behind the scenes.” The court indicated it would verify
    whether respondent’s motion papers had sought such broad
    disqualification and, if so, disqualify Boone from all phases
    of the litigation, including the preparation of trial material
    such as a witness list or motion in limine.
    6
    The ABA Rule provides: “A lawyer shall not act as advocate
    at a trial in which the lawyer is likely to be a necessary witness
    unless: [¶] (1) the testimony relates to an uncontested issue; [¶]
    (2) the testimony relates to the nature and value of legal services
    rendered in the case; or [¶] (3) disqualification of the lawyer
    would work substantial hardship on the client.” (ABA Model
    Rules Prof. Conduct, rule 3.7(a).) As noted by appellant, the ABA
    Rule is not binding in California. (See Frye v. Tenderloin
    Housing Clinic, Inc. (2006) 
    38 Cal.4th 23
    , 52, fn. 12.)
    13
    Later that day, the court issued an order disqualifying
    Boone as appellant’s counsel from all phases of the litigation
    under the ABA Rule. The court did not cite Rule 3.7 or its
    informed-consent exception. Although the court noted
    appellant had relied on her informed written consent, the
    court did not otherwise discuss her consent.
    In disqualifying Boone under the ABA Rule, the court
    acknowledged “it [wa]s unclear what precise testimony Mr.
    Boone intend[ed] to provide.” Without addressing
    appellant’s representations that Boone’s testimony would
    concern respondent’s January and February 2016 emails to
    Boone, the court further stated, “[I]t appears that Mr. Boone
    intends to provide substantive testimony concerning the
    underlying family dispute on behalf of Plaintiff, who is his
    wife.” The court reasoned: “Mr. Boone would not just be
    expected to present objective testimony for a client who he is
    also advocating for, but would [also] be expected to present
    objective testimony for his wife in a highly contested family
    matter while also advocating for her as her attorney. This
    dual role clearly impairs his credibility as a witness and
    diminishes his effectiveness as an advocate. [¶] . . . [¶]
    Because Plaintiff already associated with co-counsel in May
    2021, the Court is persuaded that no prejudice will result to
    Plaintiff as a result of this disqualification.” The court did
    not find that Boone’s dual role posed a risk of misleading the
    jury or prejudicing respondent. Nor did the court address
    appellant’s argument that Boone’s co-counsel could not
    14
    prepare for trial as successfully or cost-effectively without
    Boone’s assistance.
    The court rejected appellant’s arguments that: (1) the
    disqualification motion was untimely and tactically
    motivated; and (2) respondent’s reply brief had limited the
    scope of the requested disqualification to trial. The court did
    not address the ABA Rule’s language limiting its prohibition
    to advocacy at trial (or the corresponding language in Rule
    3.7).7
    DISCUSSION
    Appellant contends the trial court abused its discretion
    in disqualifying Boone from representing her in all phases of
    the litigation under the advocate-witness rule. As explained
    below, we agree.
    7
    In a prefatory comment, the court stated: “The Court was
    recently shocked to learn Plaintiff and Plaintiff’s counsel -- in this
    family dispute matter -- were married with the possibility of
    Plaintiff’s counsel reaping personal financial gain in any
    judgment awarded to his wife.” However, the court did not
    purport to disqualify Boone because of the marriage, or because
    of any financial interest Boone might have had in the outcome.
    Nor did it apply a “‘shock’ test,” as appellant contends. It applied
    only the ABA Rule.
    15
    A. Principles
    1. Attorney Disqualification
    “A trial court’s authority to disqualify an attorney
    derives from its inherent power, codified at Code of Civil
    Procedure section 128, subdivision (a)(5), to control the
    conduct of its ministerial officers and of all other persons
    connected with its proceedings in furtherance of justice.
    [Citation.] Disqualification may be ordered as a prophylactic
    measure against a prospective ethical violation likely to have
    a substantial continuing effect on future proceedings.” (Yim,
    supra, 55 Cal.App.5th at 581; but see In re Jasmine S. (2007)
    
    153 Cal.App.4th 835
    , 843 [“‘an appearance of impropriety by
    itself does not support a lawyer’s disqualification’”].)
    “‘“Generally, a trial court’s decision on a
    disqualification motion is reviewed for abuse of discretion.”’
    [Citation.] Under this standard, the trial court’s legal
    conclusions are reviewed de novo, but its factual findings are
    reviewed only for the existence of substantial evidence
    supporting them, and its ‘“application of the law to the facts
    is reversible only if arbitrary and capricious.”’” (Yim, supra,
    55 Cal.App.5th at 581.) “However, the trial court’s
    discretion is limited by the applicable legal principles.”
    (People ex rel. Dept. of Corporations v. SpeeDee Oil Change
    Systems, Inc. (1999) 
    20 Cal.4th 1135
    , 1144 (SpeeDee Oil);
    accord, In re Charlisse C. (2008) 
    45 Cal.4th 145
    , 150 [“we
    conclude the trial court applied the wrong legal standard in
    ordering [public law office]’s disqualification and therefore
    abused its discretion”].) “In any event, a disqualification
    16
    motion involves concerns that justify careful review of the
    trial court’s exercise of discretion.” (SpeeDee Oil, 
    supra,
     
    20 Cal.4th at 1144
    .)
    2. The Advocate-Witness Rule
    Rule 3.7 provides: “A lawyer shall not act as an
    advocate in a trial in which the lawyer is likely to be a
    witness unless: [¶] (1) the lawyer’s testimony relates to an
    uncontested issue or matter; [¶] (2) the lawyer’s testimony
    relates to the nature and value of legal services rendered in
    the case; or [¶] (3) the lawyer has obtained informed written
    consent from the client.” (Rules Prof. Conduct, rule 3.7(a),
    fn. omitted.) A comment to the rule clarifies that the
    informed-consent exception is not absolute:
    “Notwithstanding a client’s informed written consent, courts
    retain discretion to take action, up to and including
    disqualification of a lawyer who seeks to both testify and
    serve as an advocate, to protect the trier of fact from being
    misled or the opposing party from being prejudiced.” (Id.,
    com. 3, asterisk omitted, citing Lyle v. Superior Court (1981)
    
    122 Cal.App.3d 470
     (Lyle).) “In other words, a court retains
    discretion to disqualify a likely advocate-witness as counsel,
    notwithstanding client consent, where there is ‘a convincing
    demonstration of detriment to the opponent or injury to the
    17
    integrity of the judicial process.’”8 (Yim, supra, 55
    Cal.App.5th at 582, quoting Lyle, supra, at 482.)
    Rule 3.7 is limited on its face to trial. (Rules Prof.
    Conduct, rule 3.7(a) [absent specified exception, “A lawyer
    8
    Appellant argues the informed-consent exception is
    absolute -- in other words, that “once written informed consent is
    given, the inquiry ends and the disqualification motion should be
    denied.” But the caselaw on which appellant relies is outdated.
    Decades before the adoption of Rule 3.7, our Supreme Court
    commented, in dicta, that in adopting the informed-consent
    exception in 1979, “the State Bar ha[d] concluded that a fully
    informed client’s right to chosen counsel outweighs potential
    conflict or threat to trial integrity posed by counsel’s appearance
    as witness.” (Maxwell v. Superior Court (1982) 
    30 Cal.3d 606
    ,
    619, fn. 9 (Maxwell), italics omitted, disapproved on another
    ground by People v. Doolin (2009) 
    45 Cal.4th 390
    .) More recently,
    but still before the adoption of Rule 3.7, a federal district court
    concluded that informed written consent “ends the inquiry,”
    criticizing Lyle, supra, 
    122 Cal.App.3d 470
     for having “invented
    carve-outs that are absent from the language of the rule.” (Real
    Estate Training International, LLC v. Nick Vertucci Companies,
    Inc. (C.D. Cal. 2015) 
    124 F.Supp.3d 1005
    , 1006-1007; accord,
    Ultimate Fitness Ctr., LLC v. Wilson (S.D.Cal. Nov. 21, 2016, No.
    16-CV-418 JLS (JMA)) 2016 U.S.Dist.LEXIS 161253, *19.)
    Subsequently, however, the State Bar cited Lyle with approval in
    an official comment to Rule 3.7. (Rules Prof. Conduct, rule 3.7,
    com. 3, citing Lyle, supra, 
    122 Cal.App.3d 470
    .) In so doing, the
    State Bar confirmed that despite the informed-consent
    exception’s seemingly absolute language, even a fully informed
    client’s right to chosen counsel does not necessarily preclude
    disqualification, if required “to protect the trier of fact from being
    misled or the opposing party from being prejudiced.” (Rules Prof.
    Conduct, rule 3.7, com. 3.)
    18
    shall not act as an advocate in a trial in which the lawyer is
    likely to be a witness” (italics added)]; see also ABA Model
    Rules Prof. Conduct, rule 3.7(a) [absent specified exception,
    “A lawyer shall not act as advocate at a trial in which the
    lawyer is likely to be a necessary witness” (italics added)].)
    In Yim, however, “to effectuate the rule’s purpose of avoiding
    factfinder confusion,” we interpreted the rule’s use of the
    term “trial” to encompass a “pretrial evidentiary hearing at
    which counsel is likely to testify.” (Yim, supra, 55
    Cal.App.5th at 583.) Further, finding no California
    authority on point, but agreeing with most courts that had
    considered the issue, we “‘recognize[d] that an attorney who
    intends to testify at trial may not participate in “any pretrial
    activities which carry the risk of revealing the attorney’s
    dual role to the jury.” [Citation.] In particular, a testifying
    attorney should not take or defend depositions.’” (Ibid.) We
    did not consider whether the advocate-witness rule could be
    further extended to other pretrial activities. (See id. at
    9
    586.)
    “In exercising its discretion to disqualify counsel under
    the advocate-witness rule, a court must consider: (1)
    ‘“‘whether counsel’s testimony is, in fact, genuinely needed’”’;
    (2) ‘the possibility [opposing] counsel is using the motion to
    9
    We affirmed the attorney’s disqualification from all other
    pretrial activities, but on an independent ground, viz., the
    potential misuse of confidential information. (See Yim, supra, 55
    Cal.App.5th at 586-589.)
    19
    disqualify for purely tactical reasons’; and (3) ‘the combined
    effects of the strong interest parties have in representation
    by counsel of their choice, and in avoiding the duplicate
    expense and time-consuming effort involved in replacing
    counsel already familiar with the case.’ [Citation.] ‘[T]rial
    judges must indicate on the record they have considered the
    appropriate factors . . . .’” (Yim supra, 55 Cal.App.5th at
    583; see also id. at 585-586; cf. SpeeDee Oil, 
    supra,
     
    20 Cal.4th at 1144-1145
     [careful review of disqualification
    orders is mandated by concerns that may include “a client’s
    right to chosen counsel” and “the financial burden on a client
    to replace disqualified counsel”].)
    B. Analysis
    We conclude the trial court failed to apply the proper
    legal standards, and thereby abused its discretion, in
    disqualifying Boone from representing appellant in all
    phases of the litigation under the advocate-witness rule.
    First, the court failed to apply Rule 3.7’s informed-consent
    exception. Indeed, the court failed even to cite Rule 3.7,
    instead applying the ABA Rule, which is not binding and
    lacks any informed-consent exception. Although the court
    noted appellant had relied on her informed written consent,
    it did not otherwise discuss her consent or its relevance. Nor
    did the court find that Boone’s disqualification was
    necessary, notwithstanding appellant’s informed written
    consent, in order to “protect the trier of fact from being
    misled or the opposing party from being prejudiced.” (Rules
    20
    Prof. Conduct, rule 3.7, com. 3.) The court found only that
    Boone’s dual role would impair his credibility as a witness
    (for appellant) and diminish his effectiveness as an advocate
    (for appellant). It made no finding of prejudice to
    respondent, much less of potential confusion. (See Smith,
    Smith & Kring v. Superior Court (Oliver) (1997) 
    60 Cal.App.4th 573
    , 578 [“Where a lawyer representing a party
    in trial is also a witness during the trial, his or her
    effectiveness, both as a lawyer and as a witness, may be
    impaired in the eyes of the fact finder. Such disadvantage
    enures to the detriment of the party being represented by
    the lawyer serving such a dual function”].)
    Even had the court found a risk that Boone’s dual role
    would mislead the jury, such a finding would have been
    speculative on the limited factual record before the court.
    Although the court stated it “appear[ed]” Boone would
    provide “substantive testimony concerning the underlying
    family dispute,” the court did not expressly reject appellant’s
    contrary representations that Boone’s testimony would
    concern only his receipt of respondent’s January and
    February 2016 emails, and the emails’ undisputed contents.
    Respondent had neither challenged these representations
    nor attempted, through discovery or a request for an offer of
    proof, to discern the substance of Boone’s expected
    testimony. Without further information, the court could not
    reasonably have found a “‘convincing demonstration of
    detriment to the opponent or injury to the integrity of the
    judicial process.’” (Yim, supra, 55 Cal.App.5th at 582,
    21
    quoting Lyle, supra, at 482.) In disregarding appellant’s
    informed written consent without finding any such
    detriment, the court failed to acknowledge her consent’s
    significance under Rule 3.7, and thereby abused its
    discretion. (See Smith, Smith & Kring v. Superior Court
    (Oliver), supra, 60 Cal.App.4th at 579-582 [trial court abused
    its discretion in disqualifying counsel under advocate-
    witness rule, where record did not indicate court “recognized
    the importance” of client’s written consent to counsel’s dual
    role, which should have been given “‘great weight’”].)
    The court further abused its discretion in failing to
    apply Rule 3.7’s limitation to advocacy “in a trial.” (Rules
    Prof. Conduct, rule 3.7(a).) The court disqualified Boone
    from all phases of the litigation, without acknowledging this
    limitation (or the corresponding limitation in the ABA Rule),
    and without finding, as we did in Yim, that an extension of
    the rule to specified pretrial activities would effectuate the
    rule’s purpose of avoiding factfinder confusion. (See Yim,
    supra, 55 Cal.App.5th at 577, 583, 585.) Indeed, as
    explained above, the court made no finding of a risk of
    factfinder confusion, which would have been speculative, in
    any event, on the limited factual record before the court.
    Nevertheless, the court extended the advocate-witness rule
    to all pretrial activities, including behind-the-scenes
    activities unlikely to pose any risk of factfinder confusion,
    such as preparing a witness list or motion in limine.
    Because Boone’s categorical disqualification from all pretrial
    activities was not supported by Rule 3.7’s text, or by
    22
    reasoned findings concerning the rule’s purpose, we conclude
    it constituted an abuse of discretion.
    10
    Respondent’s reliance on Yim is misplaced. As noted,
    Yim does not support Boone’s categorical disqualification
    from all pretrial activities. Even with respect to Boone’s
    disqualification at trial, Yim is distinguishable. There, a
    mother represented her daughter in suing the mother’s
    ex-husband, alleging he had exploited the marriage to
    sexually abuse the daughter when she was a minor. (Yim,
    10
    The other advocate-witness cases cited by respondent do
    not assist him, as none addressed whether a trial court properly
    rejected a client’s reliance on the informed-consent exception.
    (See Kennedy v. Eldridge (2011) 
    201 Cal.App.4th 1197
    , 1205-1213
    [affirming order disqualifying attorney from representing his son
    in dispute over custody of his grandson, without discussing
    whether son had provided informed written consent, in reliance
    on “[a] plethora of family entanglements, potential misuse of
    confidential information, a conflict posed by the near-certain
    prospect that counsel will have to testify, and the preservation of
    the integrity of the judicial system”]; People v. Donaldson (2001)
    
    93 Cal.App.4th 916
    , 929-932 [reversing criminal judgment, where
    defense counsel was ineffective in failing to object to prosecutor’s
    dual role as advocate and witness at trial, and prosecutor had not
    obtained proper consent under then-current informed-consent
    exception]; Comden v. Superior Court (1978) 
    20 Cal.3d 906
    , 910-
    911 & fn. 1 [affirming order disqualifying attorney under pre-
    1979 version of California’s advocate-witness rule, which lacked
    any informed-consent exception]; cf. Maxwell, supra, 30 Cal.3d at
    619, fn. 9 [noting that State Bar’s adoption of informed-consent
    exception in 1979 was in response to Comden, and weakened
    Comden’s precedential value].)
    23
    supra, 55 Cal.App.5th at 576-577.) Less than two months
    after the suit was filed, the ex-husband promptly moved to
    disqualify the mother under the advocate-witness rule. (Id.
    at 577-578.) The trial court applied the rule in disqualifying
    the mother at trial, expressly accepting evidence that the
    mother had obtained her daughter’s informed written
    consent, but “explaining why it nevertheless deemed the
    informed-consent exception inapplicable due to the risk of
    prejudice to [the ex-husband] and to the integrity of the
    judicial process.” (Id. at 585; see also id. at 579-580.) In
    affirming, we concluded the record showed the mother was
    almost certain to be a key witness concerning her ex-
    husband’s alleged sexual abuse of her daughter and her
    daughter’s resulting damages. (Id. at 584.) We further
    concluded the mother’s dual role posed a risk of misleading
    the jury into mistaking her arguments as evidence based on
    her extensive personal knowledge of her ex-husband, which
    could prejudice him. (Id. at 584-585.) Finally, we concluded
    that by explaining why it rejected the daughter’s reliance on
    the informed-consent exception, the court demonstrated it
    had properly considered the daughter’s interest in remaining
    represented by her counsel of choice, particularly because
    she had not asserted that this interest was “heightened by
    any purported burden” in retaining new counsel or in paying
    for duplication of her mother’s efforts, which had not
    progressed beyond the “early stages” of the litigation. (Id. at
    585.)
    24
    The record before us here is materially different.
    Rather than explain why it rejected appellant’s reliance on
    Rule 3.7’s informed-consent exception, the trial court applied
    a different, non-binding rule, which lacked any such
    exception. It did so despite its acknowledged uncertainty
    regarding the subject matter of Boone’s expected testimony,
    without finding that Boone was likely either to be a key
    witness or to make any argument the jury could perceive to
    be based on his personal knowledge of respondent (if any).
    Finally, the court failed to demonstrate that it had properly
    considered appellant’s heightened interest in remaining
    represented by Boone, who had gained mastery over the case
    by litigating it for over four years, and who was providing his
    services pro bono or at a discounted rate. (See Liberty
    National Enterprises, L.P. v. Chicago Title Ins. Co. (2011)
    
    194 Cal.App.4th 839
    , 848 [client would have suffered
    “extreme” prejudice from disqualification of counsel who had
    “gained mastery” over case by litigating it for two years];
    Lyle, supra, 122 Cal.App.3d at 482 [client was entitled to
    trial court’s consideration of asserted financial hardship in
    replacing counsel who was providing services pro bono].)
    Specifically, the court suggested Boone and his recently
    retained co-counsel were interchangeable, without
    addressing appellant’s argument that she would be
    prejudiced by Boone’s disqualification because his co-counsel
    could not prepare for trial as successfully or cost-effectively
    without his assistance. In so doing, the court failed to apply
    25
    the proper legal standards in disqualifying Boone at trial,
    requiring reversal of the disqualification order.
    26
    DISPOSITION
    The order disqualifying Boone as appellant’s counsel is
    reversed. Appellant is awarded her costs on appeal.
    CERTIFIED FOR PUBLICATION
    MANELLA, P. J.
    We concur:
    WILLHITE, J.
    COLLINS, J.
    27