AI-related case
Concord v. Anthropic
Counsel's explanation of what happened can be found here.
Judges: Susan Van Keulen
Part of brief was struck; court took it into account as a matter of expert credibilityRead 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
Evans et al v. Robertson et al (1)
Fabricated: Case Law | Doe cited a nonexistent case, asserting it held that a limited special appearance to challenge a subpoena does not constitute general appearance or jurisdictional consent; the Court found no such case exists and the WL citation correspo…
Judges: Judith Ellen Levy
WarningRead the decision ↗
AI-related case
Versant Funding v. Teras Breakbulk Ocean Navigation Enterprises
AI UseFirst Counsel, who had not previously used AI for legal work, used an unspecified AI tool to assist with drafting a response. He failed to verify the citation before submission. Second Counsel, as local counsel, filed the response without checking the c…
Judges: William Matthewman
Joint and several liability for Plaintiff’s attorneys' fees and costs incurred in addressing the hallucinated citation; CLE requirement on AI ethics; Monetary finesRead the decision ↗
AI-related case
Gjovik v. Apple Inc.
N.D. California addressed alleged AI-generated hallucinations in Gjovik v. Apple Inc..
Judges: Edward Milton Chen
No sanctions imposed, but warning issuedRead the decision ↗
AI-related case
Beenshoof v. Chin
AI UseThe plaintiff, proceeding pro se, cited “Darling v. Linde, Inc., No. 21-cv-01258, 2023 WL 2320117 (D. Or. Feb. 28, 2023)” in briefing. The court stated it could not locate the case in any major legal database or via internet search and noted this could…
Judges: John Hyungseung Chun
No sanction imposed; court reminded Plaintiff of Rule 11 obligationsRead the decision ↗
AI-related case
Keaau Development Partnership LLC v. Lawrence
AI UseCounsel filed a motion to dismiss appeal that cited “Greenspan v. Greenspan, 121 Hawai‘i 60, 71, 214 P.3d 557, 568 (App. 2009).” The court found that:No Hawai‘i case titled Greenspan v. Greenspan existsThe citations to “121 Hawai‘i 60” and “214 P.3d 568…
Judges: Katherine G. Leonard, Keith K. Hiraoka, Sonja M.P. McCullen
Monetary sanction against counsel personally; no disciplinary referralRead the decision ↗
AI-related case
Ramirez v. Humala
AI UseA paralegal used public search tools and unspecified “AI-based research assistants” to generate legal citations. The resulting hallucinated cases were passed to Counsel, who filed them without verification. Four out of eight cited cases were found to be…
Judges: Rachel Peter Kovner
Monetary sanction jointly imposed on counsel and firm; order to inform clientRead the decision ↗
AI-related case
Harris v. Take-Two Interactive Software
Court held that: "The use of fictitious quotes or cases in filings may subject a party, including a pro se party, to sanctions pursuant to Federal Rule of Civil Procedure 11 as “pro se litigants are subject to Rule 11 just as attorneys are.”
Judges: Philip A. Brimmer
WarningRead the decision ↗
AI-related case
Flowz Digital v. Caroline Dalal
In their Response to the Order to show Cause, Counsel specified that they used Lexis+AI, and stressed that "LexisNexis itself has publicly emphasized the reliability of its Lexis+ AI platform, marketing it as providing “hallucination-free legal citations” spe…
Judges: Stanley Blumenfeld Jr.
Monetary Sanction; Bar ReferralRead the decision ↗
AI-related case
Moales v. Land Rover Cherry Hill
AI UseThe court stated that “Moales may have used artificial intelligence in drafting his submissions,” citing widespread concerns over AI hallucination. It noted that several citations in his complaint and show-cause response were plainly incorrect or irrele…
Judges: Vernon Dion Oliver
Plaintiff warned to ensure accuracy of future submissionsRead the decision ↗