TOV Realty, LLC v. Suarez
CourtSupreme Court of Connecticut
Date FiledAugust 4, 2026
DocketSC21183
StatusPublished
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Full Opinion
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902 ORDERS 355 Conn.
TOV REALTY, LLC v. ANGEL SUAREZ ET AL.
(SC 21183)
KOSEL EQUITY, LLC v. MARK
MACGREGOR ET AL.
(SC 21184)
July 31, 2026
PER CURIAM. We are required to confront for the
first time a lawyer’s use of generative artificial intelli-
gence (generative AI) that has resulted in the submission
of written materials to this court containing citations
that were “hallucinated”—in other words, fabricated
or inaccurately generated. Attorney Ian G. Gottlieb and
GLG Law, LLC (law firm), filed applications for certifi-
cation to file public interest appeals in accordance with
General Statutes § 52-265a in the two cases at issue. The
applications included citations that were “hallucinated”
because of the use of generative AI during the editing
and review process. After the Chief Justice granted
those applications, Attorney Gottlieb submitted briefs
in each of these cases that also contained hallucinated
citations. At a show cause hearing held on July 7, 2026,
Attorney Gottlieb candidly admitted that his conduct,
in filing documents that contained approximately seven
erroneous and unverified citations as a result of the use
of generative AI violated, at a minimum, rule 1.1 of the
Rules of Professional Conduct. We must now consider
the appropriate sanction for that violation.
The record and the representations to this court at the
show cause hearing explain the facts concerning the rel-
evant filings. Attorney Gottlieb initially used LexisNexis
355 Conn. ORDERS 903
to conduct the legal research necessary to draft his public
interest appeal applications and the briefs that followed.
He verified the accuracy of the quotations and citations
in the initial rough drafts using the Shepard’s Citations
Service on LexisNexis. He then copied and pasted those
drafts into ChatGPT, a generative AI program, to make
his brief writing process more efficient and to improve
the quality of the final written product. Unbeknownst
to Attorney Gottlieb, the drafts produced by ChatGPT
added new case citations or altered existing case cita-
tions, making the final documents filed in this court
inaccurate and misleading. Because the hallucinations
created by ChatGPT did not affect the substantive accu-
racy of the legal propositions contained within the fil-
ings, which remained well established and correct, the AI
generated changes did not prompt Attorney Gottlieb or
his law firm colleagues who reviewed the documents to
verify the supporting citations a second time. Attorney
Gottlieb became aware of the erroneous citations only
when various amici curiae, represented by the Jerome N.
Frank Legal Services Organization, apprised this court
and counsel of what appeared to be “hallucinated” case
citations in the briefs. Attorney Gottlieb subsequently
filed errata sheets and corrected the briefs in both cases.
We then issued a sua sponte order requiring Attorney
Gottlieb and the law firm to explain the cause of the erro-
neous material. In the memorandum filed in response to
that order, Attorney Gottlieb and the law firm expressed
their deep regret for the errors. They explained that
the errors were caused when Attorney Gottlieb, whose
original legal research and citations had been verified,
used ChatGPT to improve the organization and quality
of his rough drafts and that he was unaware that Chat-
GPT would make substantive changes to that material.
After rendering judgment in each appeal; see Kosel
Equity, LLC v. MacGregor, 354 Conn. 842, A.3d
___(2026); TOV Realty, LLC v. Suarez, 354 Conn. 745,
357 A.3d 689 (2026); we sua sponte ordered Attorney
Gottlieb and the law firm to appear and to show cause
904 ORDERS 355 Conn.
as to why sanctions should not be imposed against them
for submitting documents in these cases “that misrep-
resented the law through the use of generative [AI].”
We also ordered Attorney Gottlieb and the law firm to
file a memorandum of law in response to the show cause
order to explain “the process by which generative [AI]
was used . . . [and] what steps were taken, if any, to
verify information generated by [AI] and [to provide
this court with] a list of any and all unverified quota-
tions, citations, arguments, or statements that were
produced by generative [AI] . . . [that were] included in
the documents filed. Additionally, [we specified that]
the memorandum of law should indicate what remedial
steps [were] taken by Attorney Gottlieb and [the law firm]
to verify information generated by [AI] that is used in
drafting legal filings.”
At the show cause hearing, Attorney Gottlieb was rep-
resented by counsel. Attorney Gottlieb made a personal
statement, taking full responsibility for the erroneous
information, expressing a sincere appreciation for the
seriousness of his conduct, and promising that he will be
vigilant moving forward. He admitted, through counsel,
that he filed documents in these matters containing a
total of seven erroneous and unverified citations that
resulted from the use of generative AI in the editing and
review process. He further admitted that filing court
documents in each of these cases with these erroneous
and unverified citations violated the duty of competence
prescribed by rule 1.1 of the Rules of Professional Con-
duct.1 Counsel suggested that an appropriate sanction
would be for Attorney Gottlieb to complete six hours of
continuing legal education in the areas of legal ethics
or law practice management, in addition to the annual
obligation of twelve hours of minimum continuing legal
education required by Practice Book § 2-27A, and for
1
During the show cause hearing, we noted the potential applicability of
rules 1.6, 3.3, 5.1, and 8.4 of the Rules of Professional Conduct. Given our
conclusion with respect to rule 1.1, we need not decide whether the conduct
of Attorney Gottlieb and the law firm violated any other rule.
355 Conn. ORDERS 905
Attorney Gottlieb or the law firm to pay a fine or chari-
table donation in the amount of $250.
The following legal background informs our decision in
this case. The duty of “competent representation” under
rule 1.1 requires an attorney to have “the legal knowl-
edge, skill, thoroughness and preparation reasonably
necessary for the representation.” Rules of Professional
Conduct 1.1. Federal and state courts have uniformly
held that submitting a brief or other legal document to
a court that, as the result of the use of generative AI,
contains erroneous, unverified, or “hallucinated” cita-
tions violates an attorney’s duty of competent represen-
tation. McCarthy v. United States Drug Enforcement
Administration, 171 F.4th 245, 247–50 (3d Cir. 2026);
see, e.g., id., 250 n.3 (citing federal authorities); see also,
e.g., Park v. Kim, 91 F.4th 610, 614–15 (2d Cir. 2024)
(failure to check AI generated citations violates duty of
reasonable inquiry into accuracy of court filings imposed
by rule 11 (b) (2) of Federal Rules of Civil Procedure);
Cojom v. Roblen, LLC, Docket No. 3:23-CV-1669 (JCH),
2025 WL 3205930, *2–4 (D. Conn. November 17, 2025)
(same); State v. Coleman, 280 N.E.3d 1042, 1057, 1065
(Ohio App. 2026) (failure to check transcript quotations
contained in court filing that were created by uploading
materials related to case to generative AI application
violated duty of competence prescribed by rule 1.1 of Ohio
Rules of Professional Conduct), appeals accepted, Docket
No. 2026-0547, 2026 WL 2098325 (Ohio July 21, 2026).
These courts have also concluded that such violations of
the applicable federal or state rules of professional con-
duct warrant the imposition of sanctions. In doing so,
courts have explained that “[m]any harms flow from the
submission of fake [case citations]. The opposing party
wastes time and money in exposing the deception. . . .
Judicial resources are diverted from other pressing,
legitimate work. And [t]he client may be deprived of
arguments based on authentic judicial precedents.” (Cita-
tion omitted; internal quotation marks omitted.) Garner
v. Kadince, Inc., 571 P.3d 812, 815 (Utah App. 2025).
“The oversight in submitting fake citations is more than
906 ORDERS 355 Conn.
just sloppy lawyering: it imperils the integrity of our
judicial process.” Cojom v. Roblen, LLC, supra, *3. Even
if counsel’s submission of such faulty citations was not
intentional—and, in the present case, we find no inten-
tion to deceive—counsel’s carelessness “strikes at the
foundation of the adversarial system, which depends
[on] the assumption[s] that the legal authorities and
evidence cited by counsel are real and [that] the factual
representations made to the court are accurate. When
[those] assumption[s] [are] violated—whether through
intentional fabrication or reckless reliance on [AI gener-
ated] content—the entire system is compromised.” State
v. Coleman, supra, 1070.
In light of Attorney Gottlieb’s candid concession that
his conduct violated rule 1.1 of the Rules of Professional
Conduct, with which we agree2, we must determine the
appropriate discipline to impose pursuant to our inher-
ent powers and responsibility for the administration
of justice.3 We have considered the aggravating and
mitigating factors provided by standard 9.22 of the
American Bar Association’s Standards for Imposing
Lawyer Sanctions. See A.B.A., Annotated Standards
for Imposing Lawyer Sanctions (2d Ed. 2019) standard
9.22, p. 451 (listing aggravating factors); id., standard
9.32, p. 487 (listing mitigating factors); see also, e.g.,
Lafferty v. Jones, 236 Conn. App. 672, 687–88, 349
A.3d 73 (2025), cert. denied, 354 Conn. 920, 353 A.3d
840 (2026). In determining the appropriate discipline in
2
Although we did not discuss this point during the show cause hearing, we
emphasize that the duty of competence with respect to the use of generative
AI in legal practice also includes recognition of its implications as to the
attorney-client privilege, the confidentiality of information relating to an
attorney’s representation of a client, and the work product doctrine, par-
ticularly when a public access platform is involved. See, e.g., United States
v. Heppner, 820 F. Supp. 3d 292, 296–99 (S.D.N.Y. 2026).
3
As noted previously, counsel represented to this court that partners of
the law firm in addition to Attorney Gottlieb reviewed the documents before
they were filed. Although Attorney Gottlieb admirably accepted full respon-
sibility for the erroneous material, the law firm shares responsibility given
its failure at the time to have policies and procedures in place to address the
responsible use of generative AI in the practice of law.
355 Conn. ORDERS 907
this case, we are mindful that the hallucinated citations
resulted from negligence in the use of new technology,
rather than an intentional attempt to deceive or mislead
this court or other parties, Attorney Gottlieb did not
have a dishonest or selfish motive, he cooperated with
the disciplinary process by honestly and forthrightly
responding to our requests seeking further information
and understanding regarding the erroneous citations, he
admitted his mistake, he showed sincere contrition, and
he has no disciplinary history. Nevertheless, the submis-
sion of erroneous citations in violation of the Rules of
Professional Conduct is not something we take lightly.
We therefore impose the following sanctions:
•In addition to the twelve (12) hours of minimum
continuing legal education required annually by
Practice Book § 2-27A, Attorney Gottlieb shall
complete six (6) hours of continuing legal educa-
tion in the areas of ethics and law office manage-
ment, three (3) hours of which must concern the
use of generative AI.
•Attorney Gottlieb and the law firm each shall
donate $1000 to the CT Bar Institute, Inc., to
support its efforts to provide the legal profession
with instruction in the areas of legal ethics and
law office management, and regarding the role
of generative AI in those areas.
•Attorney Gottlieb and the law firm shall file a
report under these docket numbers in this court
via the Office of the Appellate Clerk, along with
a courtesy copy to the Statewide Grievance Com-
mittee, stating whether they have complied with
these sanctions within six months of the issuance
of this order.
•Attorney Gottlieb shall comply with the recipro-
cal discipline obligations of any other jurisdiction
in which he has been admitted to practice law.
908 ORDERS 355 Conn.
•This order will be posted on the Judicial Branch
website, and a courtesy copy will be provided to
the Statewide Grievance Committee. We empha-
size that this courtesy copy is not a referral for
further disciplinary action.
In arriving at this decision today, we do not reject
the use of new and improved technologies in the legal
profession. Instead, we emphasize that all legal profes-
sionals must be acutely aware of the risks and dangers
that accompany these technologies, and attorneys must
take all steps necessary to ensure that such innovations
are utilized with the utmost care and attention to their
professional obligations. Indeed, the judges of the Supe-
rior Court have recently adopted a new rule of practice
addressing the risk that “generative AI can create inac-
curate factual and legal information,” and requiring
that “any person who uses generative AI in the creation
or editing of any document filed with the court . . . inde-
pendently verify all citations, legal authorities or evi-
dence produced by generative AI.” Practice Book § 4-9
(b) (effective June 23, 2026), in 87 Conn. L.J., No. 52,
p. 15PB (June 23, 2026); see also Practice Book § 4-2 (b)
(effective June 23, 2026), in 87 Conn. L.J., No. 52, p.
14PB (June 23, 2026) (“[t]he signing of any pleading,
motion, objection or request” constitutes, among other
things, certification of signer’s compliance with Practice
Book § 4-9). The judges of the Appellate Court and the
justices of this court have also recently adopted amend-
ments to the Rules of Appellate Procedure in order to
address concerns regarding the use of generative AI in
court filings. See Practice Book § 62-6 (d) (effective July
14, 2026), in 88 Conn. L.J., No. 3 (July 14, 2026) (appel-
late analogue to Practice Book § 4-2 (b)); Practice Book
§ 85-2 (11) (effective July 14, 2026), in 88 Conn. L.J., No.
3 (July 14, 2026) (failure to comply with Practice Book
§§ 4-9 and 62-6 (d) is sanctionable conduct). This order
should serve as a reminder to all members of the legal
profession to learn about the risks and limitations of the
technologies they use in the practice of law because they
355 Conn. ORDERS 909
remain personally responsible to make certain that all
information submitted to the court is true and accurate.