AI-related case
Sims v. Souily-Lefave (2)
Fabricated: Case Law | Plaintiff cited a non-existent case, Graham v. Nyquist, without reporter or page; the Court could not locate it on Westlaw.
Judges: Elayna J Youchah
WarningRead the decision ↗
AI Abuse Court Cases
Search 691 source-linked cases involving fabricated citations and other AI-generated legal errors.
814 judge-case associations across 549 judges and 187 courts.
Source: Damien Charlotin
691Cases
814Judge-case associations
549Judges
187Courts
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691 cases found · 10 maximum per page
AI-related case
Crystal Truong, et al. v. Flint Hills Resources, LLC, et al.
After explaining what happened (document) counsel opted to non-suit all remaining claims, which means that the court never ruled on the show cause proceedings.
Judges: Nelva Gonzales Ramos
Show cause order; CLE commitmentRead the decision ↗
AI-related case
Nelson Lin v. The Honorable Jonathan H. Shim, et al.
Fabricated: Case Law | Plaintiff cited 'Hernandez v. Spitzer, No. 09-cv-3914, 2010 WL 11586928 (S.D.N.Y. Mar. 29, 2010)'; the court found that this case does not exist and rejected reliance on it. || Fabricated: Case Law | Editor's Note and court text indicat…
Judges: John George Koeltl
AI-related case
Sanders v. USA
AI UseThe plaintiff did not admit to using AI, but the court inferred likely use due to the submission of fabricated citations matching the structure and behavior typical of generative AI hallucinations. The decision referenced public concerns about AI misuse…
Judges: Eleni M. Roumel
WarningRead the decision ↗
AI-related case
Loyer v. Wayne County Michigan
Fabricated: Case Law | Plaintiff's counsel included AI-generated bogus legal citations in the response brief; the Court admonished counsel and ordered attendance at an ethics seminar. || Misrepresented: Exhibits & Submissions | Plaintiff's brief asserted Loye…
Judges: Shalina Deborah Kumar
Plaintiff's counsel ordered to attend an ethics seminarRead the decision ↗
AI-related case
Williams v. Capital One Bank
AI UseWhile not formally admitted, Plaintiff’s opposition brief referred to “legal generative AI program CoCounsel,” and the court noted that the structure and citation pattern were consistent with AI-generated output. Capital One was unable to verify several…
Judges: Rudolph Contreras
Case dismissed with prejudice for failure to state a claim. No monetary sanction imposed, but the court issued a formal warningRead the decision ↗
AI-related case
Mark Lillard v. Offit Kurman, P.A.
Misrepresented: Case Law | Plaintiff cited Mattco Forge, Inc. v. Arthur Young & Co., 52 Cal.App.4th 820 (Ct. App. 1997) but used it to suggest conduct by an attorney; court found the case concerns an accountant, not an attorney (mischaracterization). || False…
Judges: Danielle J. Brennan
AI-use certification required for future filingsRead the decision ↗
AI-related case
Arnaoudoff v. Tivity Health Incorporated
Fabricated: Case Law | Plaintiff’s objection repeatedly cited nonexistent cases, which the Court labeled as fake cases and agreed to disregard after Defendants flagged the issue. || Fabricated: Case Law | To argue that lack of counsel made the settlement invo…
Judges: Diane Joyce Humetewa
Court ignored fake citations and granted motion to correct the recordRead the decision ↗
AI-related case
Merz v. Kalama
Misrepresented: Legal Norm | Plaintiff claimed AI said no motion to amend was required because a scheduling order set an amendment deadline; the Court clarified Rule 15 governs and still requires leave to amend. || Misrepresented: Legal Norm | Plaintiff impli…
Judges: Benjamin Hale Settle
AI-related case
Wadsworth v. Walmart (Morgan & Morgan)
AI UseCounsel from Morgan & Morgan used the firm's internal AI platform (MX2.law, reportedly using ChatGPT) to add case law support to draft motions in limine in a product liability case concerning a hoverboard fire. This was reportedly his first time usi…
Judges: Kelly Harrison Rankin
$3k Fine + Pro Hac Vice Revoked (Drafter); $1k Fine each (Signers); Remedial actions noted.Read the decision ↗