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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: 2,109
Courts covered: 398
Cases with a reported penalty: 374
USD-denominated penalties: $1,400,706; across 207 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.

1,429 cases match these filters · page 24 of 29

Case	Court	Jurisdiction	Judge	Decided	AI tool	Outcome	Penalty	Source
In re the Marriage of Young	CA Washington	USA	—	2026-07-09	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
In the Interest of Q.C. and P.C., Children	CA Texas	USA	—	2026-07-09	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Michigan MM, Inc. v. Alea Properties	CA Michigan	USA	—	2026-07-09	Implied	Both parties filed notices of errata	None reported	No source on file
Akerlund v. Atlas Air, Inc., et al.	11th Cir. CA	USA	—	2026-07-10	Implied	Bar Referral	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Birsingh v. Little Wheel, LLC, et al.	M.D. Pennsylvania	USA	—	2026-07-10	Implied	Warning; Case dismissed with prejudice	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Cartagena v. Dixon, Blackburn, and T.A. Blackburn Law (2)	S.D. New York	USA	—	2026-07-10	Unidentified	Motion Struck; Bar Referral	None reported	Source (reason.com)
Cheryl O’Donnell v. Hope Clough	SC Vermont	USA	—	2026-07-10	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Del Biaggio v. Bansen	CA California (4d)	USA	—	2026-07-10	Unidentified	Monetary Sanction	1500 USD	Case summary (Charlotin AI Hallucination Cases DB)
Holmes v. Cape Meadows Apartments HRMS	E.D. Missouri	USA	—	2026-07-10	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
In re Lisa Cato	D. D.C. (Bankruptcy)	USA	—	2026-07-10	Implied	Motion for Sanctions denied	None reported	Case summary (Charlotin AI Hallucination Cases DB)
John P. Chapman v. Officer Decker et al.	S.D. Illinois	USA	—	2026-07-10	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Marion Parnell, Jr. v. Florida Department of Corrections	11th Cir. CA	USA	—	2026-07-10	Implied	Brief partly Struck; Adverse Costs Order; Bar Referral	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Teresa Jewel Whitten v. Kristopher Brian Everitt	CA Kentucky	USA	—	2026-07-10	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Julia Rose v. Arts Bonita, Inc., et al.	M.D. Florida	USA	—	2026-07-12	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Appeal of PDO Ahuska Joint Venture LLC	ASBCA	USA	—	2026-07-13	Implied	Citations struck	None reported	Case summary (Charlotin AI Hallucination Cases DB)
James F. v. Commissioner of Social Security	E.D. Michigan	USA	—	2026-07-13	Unidentified	CLE	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Paige Warthen v. Barclays Bank Delaware (Warthen I, II, III)	D. Maryland	USA	—	2026-07-13	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Progressive Northern Insurance Company v. Tony Pete Flores, et al.	D. Nevada	USA	—	2026-07-13	Unidentified	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Whyte et al. v. MK United, Inc. et al.	S.D. Florida	USA	—	2026-07-13	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
In re Rosslyn2016, LLC, et al.	S.D. Texas (Bankruptcy)	USA	—	2026-07-14	Westlaw Precision	CLE on generative AI; Civil Contempt; Adverse Costs Order	29877 USD	Case summary (Charlotin AI Hallucination Cases DB)
Tekway, Inc. v. AT&T Services, Inc.	N.D. Illinois	USA	—	2026-07-14	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Thompson v. County of San Diego	CA California (4d)	USA	—	2026-07-14	Lexis+ with Protégé	Counsel withdrew the unsupported quotations and citations	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Arrieta v. Cervantes	CA Arizona	USA	—	2026-07-15	Implied	Adverse Costs Order	1	Case summary (Charlotin AI Hallucination Cases DB)
Christine Thomas v. United States Department of Justice, et al.	E.D. North Carolina	USA	—	2026-07-15	Implied	Apologies	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Dineen/Shibata v. Kotchka	Arizona Court of Appeals, Division One	USA	—	2026-07-15	Unidentified	Court struck the inaccurate citations, ordered show-cause, and imposed sanctions: award of appellee's attorneys' fees and costs (under A.R.S. §12-349 and ARCAP 25) related to the hallucinated and misrepresented citations; appellate order affirmed.	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Minhye Park v. Hon. Barrington D. Parker, et al.	S.D. New York	USA	—	2026-07-15	GPT-3.5	Bar Referral	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Mullins v. Duquesne University of the Holy Spirit	W.D. Pennsylvania	USA	—	2026-07-15	Claude	Motion to strike denied	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Rebecca Jean v. Seattle Credit Union	W.D. Washington	USA	—	2026-07-15	Unidentified	Brief Struck; Severe Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
State v. Dixon	CA Oregon	USA	—	2026-07-15	Implied	Citation Struck; Monetary Fine	100 USD	Case summary (Charlotin AI Hallucination Cases DB)
Valurie Kaye Mettler v. Michigan State Police et al.	CA Indiana	USA	—	2026-07-15	Implied	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Ammann v. Markel Insurance Company	N.D. Ohio	USA	—	2026-07-16	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Cames et al. v. Lowe's Home Centers	M.D. Florida	USA	—	2026-07-16	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Chryshawna A. and Jeremy Webb v. Sullivan County Assessor	Tax Court Indiana	USA	—	2026-07-16	Implied	Admonishment & Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
In re Bernardo Romero	7th Cir. CA	USA	—	2026-07-16	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Izzeddin Ahmed Abdulghaffar Daghra v. Steve Hinkley, et al.	W.D. Michigan	USA	—	2026-07-16	Implied	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Lohbeck v. CSL Plasma Inc.	E.D. California	USA	—	2026-07-16	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Shaddai Harris v. Iliac, LLC	CA Texas	USA	—	2026-07-16	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Abybatou Mbow v. Officer Michael Mackert et al. (2)	D. Maryland	USA	—	2026-07-17	Implied	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Erik Arthur Otteson v. JPMorgan Chase Bank NA	D. Arizona	USA	—	2026-07-17	Implied	Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Khan v. Howard County BAP	CA Maryland	USA	—	2026-07-20	Implied	Briefs partly struck	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Evans v. Robertson (4)	E.D. Michigan	USA	—	2026-07-21	Implied	Briefs (both sides) struck	None reported	Source (reason.com)
Merritt v. Moore	CA Tennessee	USA	—	2026-07-21	Implied	Appeal dismissed and issues deemed waived in part because the brief contained inaccurate authorities	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Gideon J. Sipin v. The Bank of New York Mellon Trust Company, N.A., et al.	N.D. Alabama	USA	—	2026-07-22	Implied	Order to Show Cause	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Pamon v. United States Postal Service et al	N.D. Texas	USA	—	2026-07-22	Implied	Monetary Sanction	610 USD	Case summary (Charlotin AI Hallucination Cases DB)
Rodriguez v. Time Warner Entertainment	SC New York	USA	—	2026-07-22	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Rose Lannquist Gouldy v. Timothy M. Chiasson, et al.	CA Florida (4d)	USA	—	2026-07-22	Implied	Order to show cause to consider barring the pro se litigant from future filings	None reported	Source (reason.com)
Catarina Almeida Porfirio v. Homeland Security, et al.	D. D.C.	USA	—	2026-07-23	Implied	—	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Garciduenas v. Matrix New World Engineering, Inc.	CA Arizona (1d)	USA	—	2026-07-23	Implied	Admonishment	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Hagan v. Black Diamond Experts, LLC	D. Utah	USA	—	2026-07-23	Implied	Admonishment & Warning	None reported	Case summary (Charlotin AI Hallucination Cases DB)
Mary C. Graves v. Brian K. Graves	CA Illinois (3d)	USA	—	2026-07-23	Implied	Admonishment	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.