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Free public database

AI Legal Sanction Case Database

Name: AI Legal Sanction Case Database
Creator: Citation Safe
License: https://citationsafe.com/terms

The AI Legal Sanction Case Database is the authoritative, continuously-updated, free index of publicly reported cases where a US or foreign court sanctioned, warned, or issued an order to show cause over AI-hallucinated citations in a legal filing. According to Citation Safe’s public sanctions database, courts have addressed AI-citation problems in 1000 reported cases tracked here as of today, spanning 2023–2026. New cases are ingested daily.

Cases tracked: 1,897
Courts covered: 393
Cases with a reported penalty: 348
USD-denominated penalties: $1,290,986; across 191 USD cases — other currencies not converted

This is the structured dataset: every row here is a live, queryable record — sortable and filterable by jurisdiction, AI tool, judge, and year, with results pulled fresh on every request. Download the full dataset as CSV. For curated write-ups of the highest-profile entries — case background, why each sanction happened, what to take from it — see the AI Hallucination Sanctions Tracker, our editorial companion to this database.

1,897 cases match these filters · page 13 of 38

Case	Court	Jurisdiction	Judge	Decided	AI tool	Outcome	Penalty	Source
Kuigoua v. Park	CA California	USA	—	2025-11-10	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Marques Johnson v. Capital One Financial Corporation	E.D. Michigan	USA	—	2025-11-10	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Shelton v. Parkland Health	N.D. Texas	USA	—	2025-11-10	Unidentified	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
United States v. Thomas Czartorski, et al.	W.D. Kentucky	USA	—	2025-11-10	ChatGPT	Order to show Cause	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Coulson v. ASB Bank	High Court	New Zealand	—	2025-11-11	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
B… S… v. Ministre responsable de la Solidarité sociale et de l'Action communautaire	TAQ Québec	Canada	—	2025-11-12	Unidentified	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Cohen v. State of Israel et al.	Jerusalem District Court	Israel	—	2025-11-12	Unidentified	AI-generated materials disregarded; Adverse Costs Order; Order to correct filings.	4000 ILS	Case summary (Charlotin AI Hallucination Cases DB)
David J. Donovan v. Kathryn Thorson	CA New Mexico	USA	—	2025-11-12	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Jeffery Todd Henson, Sr. v. Lynn A. Espejo	C.D. Illinois	USA	—	2025-11-12	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Jonathan David Sheppard v Jillion LLC	Qatar FC Court	Qatar	—	2025-11-12	Implied	Contempt finding; apology and publication of judgment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Azar c. Université de Montréal	Quebec CA	Canada	—	2025-11-13	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Matter of Matos	SC New York	USA	—	2025-11-13	Unidentified	Respondent publicly censured	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Nathan Strong v. The United States	Court of Federal Claims	USA	—	2025-11-13	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Richard LaRoche v. Darla Sterett (LaRoche)	Vermont SC	USA	—	2025-11-13	Unidentified	Order to file order in all pending Vermont Superior Court cases where Counsel appears	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Robbin Y. Miller v. Andrew Stuart	5th Cir. CA	USA	—	2025-11-13	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Virginia Montoya Cabanas v. Pamela Bondi, et al.	S.D. Texas	USA	—	2025-11-13	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
William McNae and Ronda McNae v. ARAG Insurance Company	W.D. Washington	USA	—	2025-11-13	Implied	Filing struck; monetary sanction	100 USD	Case summary (Charlotin AI Hallucination Cases DB)
Beschluss 4 L 3030/25	Köln	Germany	—	2025-11-14	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Jeremie Montgomery v. AFL-CIO	M.D. Tennessee	USA	—	2025-11-14	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Matthew Lewis v. Eagle County Government	D. Colorado	USA	—	2025-11-14	Implied	Fine and Costs Order	28000 USD	Case summary (Charlotin AI Hallucination Cases DB)
VG Köln, Beschluss vom 14.11.2025 - 4 L 3030/25	VG Köln	Germany	—	2025-11-14	Implied	Eilantrag abgelehnt; Gericht stellte fehlerhafte Zitate fest und wies vorsorglich auf möglichen ungeprüften Einsatz eines KI-Werkzeugs hin, sah jedoch keine Sanktion vor.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Wills and Aiadaui v Wilson	Victorian CAT	Australia	—	2025-11-14	Unidentified	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
133 Blackstock Road v Assethold Limited	First-tier Tribunal (Property Chamber)	UK	—	2025-11-17	Implied	Show Cause	1	Source (naturalandartificiallaw.com)
Cojom v. Roblen	D. Connecticut	USA	—	2025-11-17	Unidentified	Monetary sanction	500 USD	Case summary (Charlotin AI Hallucination Cases DB)
Cotto v. United States	D. Colorado	USA	—	2025-11-17	Implied	Motion for reconsideration denied; court identified the cited case/citation as nonexistent/miscited and rejected reliance on it.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Gittemeier v. Liberty Mutual Personal Insurance Company	E.D. Missouri	USA	—	2025-11-17	Implied	Costs Order + Fine; One Attorney ordered to withdraw	1000 USD	Source (reason.com)
Mattson & Dostal v. Rosebud Electric Cooperative et al.	D. South Dakota	USA	—	2025-11-17	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Neal v. Frayer	D. Maryland	USA	—	2025-11-17	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Schlichter v. Kennedy	CA California	USA	—	2025-11-17	Unidentified	Monetary sanction, bar referral	1750 USD	Case summary (Charlotin AI Hallucination Cases DB)
UK and R (Munir) v Secretary of State for the Home Department	Upper Tribunal	UK	—	2025-11-17	Implied	Bar Referral	None reported	Case summary (Charlotin AI Hallucination Cases DB)
In re Bryant	M.D. North Carolina (Bankruptcy)	USA	—	2025-11-18	Implied	Show Cause Order	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Jorge Paredes Guevara v. A&P Restaurant Corp., et al.	S.D. New York	USA	—	2025-11-18	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Kamia Nellum v. Credit Acceptance Corporation	S.D. Indiana	USA	—	2025-11-18	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Kim v. Insurance Australia	ACT CAT	Australia	—	2025-11-18	Bard	Decision was removed from ACAT website	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Medical Buyers Group LLC d/b/a Integrity v. Candice Pence, et al.	M.D. Georgia	USA	—	2025-11-18	Implied	Cost Order and Public Admonishment	10000 USD	Case summary (Charlotin AI Hallucination Cases DB)
Moorehead v. Goodwill Industries of Northeast Texas	E.D. Texas	USA	—	2025-11-18	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
MS J M Jain Prop Sh Jeetmal Choraria v. Union of India & Ors.	Delhi High Court	India	—	2025-11-18	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Small Moves Canada Inc. v. Garner	BC CRT	Canada	—	2025-11-18	Implied	Tribunal found the cited 'British Columbia Fraudulent Transactions Act' does not exist and declined to consider or add fraud claims based on it.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
0997510 BC Ltd. v. Area 15, 2025 BCPAAB 20252585	BCPAAB	Canada	—	2025-11-19	Unidentified	Appellant withdrew the unverifiable case references; the Board excluded all portions of the submission relying on the fabricated cases from the evidentiary record and issued a caution; no costs or professional sanctions were imposed.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
0997510 BC Ltd. v. Area 15	BC PAAB	Canada	—	2025-11-19	Unidentified	Brief partly struck; Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
DJ v SN	CA Alberta	Canada	—	2025-11-19	Unidentified	Additional Costs	500 CAD	Case summary (Charlotin AI Hallucination Cases DB)
ECLI:NL:RBNNE:2025:4814	Rechtbank Noord-Nederland	Netherlands	—	2025-11-19	ChatGPT	.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Ekeocha v. U.S. Department of State	D. DC	USA	—	2025-11-19	Implied	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Mareiorozyan v. Automobili Lamborghini America, LLC	California SC	USA	—	2025-11-19	Implied	Admonishment; Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Nº 1.0000.25.200097-1/001 (Antônio Carlos Vieira Barbosa)	TJ Minas Gerais	Brazil	—	2025-11-19	Implied	Bar Referral; Brief Partly Struck	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Wang v. Mongeon	HRT Ontario	Canada	—	2025-11-19	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Y.S. v. John Doe et al.	D. Colorado	USA	—	2025-11-19	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Yuehong v. The Minister of Citizenship & Immigration	Federal Court	Canada	—	2025-11-19	ChatGPT	Monetary Sanction; Refusal to Anonymize Counsel's Identity	500 CAD	Case summary (Charlotin AI Hallucination Cases DB)
Buchanan v. Vuori, Inc.	N.D. California	USA	—	2025-11-20	ChatGPT-4, OpenAI, Claude, Clear Brief, Lexis Nexis & Westlaw	Monetary Sanction; Referral to the Bar; Motions stricken without leave to refile	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Evans, et al. v. Robertson et al. (3)	E.D. Michigan	USA	—	2025-11-20	Implied	Multiple filings stricken from the record; Revocation of online upload privileges	None reported	Source (reason.com)

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This database aggregates publicly reported court sanctions and orders over AI-hallucinated citations. It is informational only, not legal advice, and not a complete record of every such case nationwide — see our free citation checker to verify your own filings before this happens to you.