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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: 2,103
Courts covered: 396
Cases with a reported penalty: 372
USD-denominated penalties: $1,361,828; across 206 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.

2,103 cases match these filters · page 1 of 43

Case	Court	Jurisdiction	Judge	Decided	AI tool	Outcome	Penalty	Source
In the Matter of Gary Brown, Jr.	AC Maryland	USA	—	2026-10-08	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Thorogood v. Merit Systems Protection Board	Fed. Cir.	USA	—	2026-10-08	Unidentified	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Duckett v. Board of Regents of the University of Wisconsin System	W.D. Wisconsin	USA	—	2026-10-07	Unidentified	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Illinois Department of Healthcare and Family Services ex rel. Shaina Matos v. Daniel Badea	CA Illinois (1d)	USA	—	2026-10-07	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
In re Alexis Lorene Landrum	CA Texas (5d)	USA	—	2026-10-07	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Kid International, LLC v. City National Bank of Florida	CA Florida (4d)	USA	—	2026-10-07	Unidentified	Adverse Costs Order	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Tapscott v. Fariss	CA Iowa	USA	—	2026-10-07	Implied	Appeal dismissed	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Washington v. Justice	CA Florida (2d)	USA	—	2026-10-07	Implied	Appeal dismissed; future related pro se filings were restricted unless signed by Florida Bar counsel.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Slim v. Cox Communications, Inc.	D. Kansas	USA	—	2026-10-06	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Smith v. Yavapai-Prescott Indian Tribe Local Board	CA Arizona	USA	—	2026-10-06	Implied	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Cooper v. John Doe County Court Clerk et al.	S.D. New York	USA	—	2026-10-05	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Grobler v. Kentucky Housing Corporation	CA Kentucky	USA	—	2026-10-02	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
MeetingTV, Inc. v. KOI Security Inc. et al.	S.D. California	USA	—	2026-10-02	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Mercante v. Tarzia	E.D. New York	USA	—	2026-10-02	Westlaw AI	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Shannon v. Shannon	SC Nebraska	USA	—	2026-10-02	Unidentified	Brief struck	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Droit de la famille — 261553	Quebec Court of Appeal	Canada	—	2026-10-01	Implied	The court found that the self-represented appellant used AI negligently without verifying the authorities. It ordered costs in favor of the respondent under article 340 C.C.P., but rejected the requested $10,000 monetary sanction.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
FJ v Secretary of State for the Home Department	First-tier Tribunal (Immigration and Asylum Chamber)	UK	—	2026-10-01	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
P. M. M. c/ G. A., F. M. d. S.H. s/ cobro ordinario de sumas de dinero	CA Morón	Argentina	—	2026-10-01	Implied	Appeal dismissed; Bar Referral	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Sanchez v. Synchrony Bank N.A.	S.D. California	USA	—	2026-10-01	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Simpson v. Porter	SC Arkansas	USA	—	2026-10-01	Implied	Order to show cause	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Ambrose v. Parlato	D. Connecticut	USA	—	2026-09-30	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Ambrose v. Swithin	D. Connecticut	USA	—	2026-09-30	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Jackson v. Wells Fargo Bank, N.A.	E.D. Michigan	USA	—	2026-09-30	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Miller v. Colorado Department of Revenue	D. Colorado	USA	—	2026-09-30	Implied	Order to Show Cause	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Nantongo v. Nationwide Mortgage Bankers Inc.	E.D. New York	USA	—	2026-09-30	Implied	Sanctions motion denied	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Sexton v. Department of Homeless Services, et al.	S.D. New York	USA	—	2026-09-30	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Terrence Jamal Fitch v. Educators Credit Union and Landmark Credit Union	CA Wisconsin	USA	—	2026-09-30	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
United States v. Charles Randall Sorensen	D. Minnesota	USA	—	2026-09-30	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Zheng Liu v. Lynk Global, Inc.	Delaware CC	USA	—	2026-09-30	Unidentified	Future filings subject to GenAI certification	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Curran v. Mom's Organic Market, Inc. et al.	D. Maryland	USA	—	2026-09-29	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Garcia v. City of Monte Vista, Colorado et al.	D. Colorado	USA	—	2026-09-29	Unidentified	Disclosure requirement	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Rhyu v. Frost	CA Illinois	USA	—	2026-09-29	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Tijerino v. Spotify USA Inc.	S.D. New York	USA	—	2026-09-29	Lex	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Ahmed v. Minister of Citizenship and Immigration	Federal Court	Canada	—	2026-09-28	Implied	Motion to extend time dismissed; application for leave and judicial review dismissed; no costs ordered, although the Court noted potential sanctions for filing an abusive document.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Anderson v. Wal-Mart Associates, Inc.	S.D. Indiana	USA	—	2026-09-28	—	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Orlando Chechitelli v. Etiwanda School District, et al.	C.D. California	USA	—	2026-09-28	Implied	Order to show cause	None reported	Case summary (Charlotin AI Hallucination Cases DB)
The Louisiana Community Development Capital Fund, Inc. et al. v. Choice Hotels International, Inc.	M.D. Louisiana	USA	—	2026-09-28	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Verduzco v. Con Agra Foods Packaged Foods, LLC	E.D. California	USA	—	2026-09-28	Implied	Reply Struck	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Williams v. Dimaanno et al.	E.D. California	USA	—	2026-09-28	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Williams v. Federal Aviation Administration et al.	D. Connecticut	USA	—	2026-09-28	Implied	Order to Show Cause	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Aguilar v. The Crawford Group, Inc.	D. Massachusetts	USA	—	2026-09-25	Unidentified	Adverse Costs Order; Pro hac vice status revoked	10000	Case summary (Charlotin AI Hallucination Cases DB)
Coyne v. Smurl	Lackawanna CCCP	USA	—	2026-09-25	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Adams v. Board of Trustees of the University of Illinois at Chicago et al.	N.D. Illinois	USA	—	2026-09-24	Implied	Order to Explain	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Bourrage v. Sollie	5th Cir. CA	USA	—	2026-09-24	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Cervantes v. Bianco	Supreme Court of California	USA	—	2026-09-24	Unidentified	The court disapproved the improper use of artificial intelligence, reminded counsel of professional duties of competence and candor, and referred the matter to the State Bar to determine whether discipline was warranted.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Chirece C. v. Commissioner of Social Security	E.D. Michigan	USA	—	2026-09-24	Unidentified	Monetary Fine	500 USD	Case summary (Charlotin AI Hallucination Cases DB)
Ex parte Bradley Thomas	CA Texas	USA	—	2026-09-24	Implied	Appeal affirmed; all complaints forfeited for inadequate briefing	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Koeberer v. Weir, et al.	6th Cir. CA	USA	—	2026-09-24	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Robinson v. Dikeland Sewer District	W.D. Missouri	USA	—	2026-09-24	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Turner v. Casey's Retail Company et al.	N.D. Illinois	USA	—	2026-09-24	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)

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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.