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AI Legal Sanction Case Database

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 23 of 29

CaseCourtJurisdictionJudgeDecidedAI toolOutcomePenaltySource
In re: the Marriage of Melinda Johnson v. Sabastian JohnsonCA IndianaUSA—2025-10-30ChatGPTWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
In re: Tracy JohnsonCA TexasUSA—2025-10-30ImpliedWarningNone reportedNo source on file
Lareina A. Sauls v. Pierce County, et al.W.D. WashingtonUSA—2025-10-30ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Nonnie Berg v. United Airlines, Inc. (1)D. ColoradoUSA—2025-10-30ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Safe Choice, LLC v. City of ClevelandN.D. OhioUSA—2025-10-30Amicus (Casemine)Monetary Sanction; Referral to the Bar; Order to serve decision on clinet;7500 USDCase summary (Charlotin AI Hallucination Cases DB)
Warner v. Gilbarco, Inc.E.D. MichiganUSA—2025-10-30ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Joy Wilson v. KIPP Texas, Inc.N.D. TexasUSA—2025-10-29ChatGPTCosts Order; 2h of CLE1 USDCase summary (Charlotin AI Hallucination Cases DB)
Mezu v. MezuCA MarylandUSA—2025-10-29ChatGPTReferral to Attorney Grievance CommissionNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Robert Cole Stemkowski Goldman v. Arizona Board of RegentsD. ArizonaUSA—2025-10-29ImpliedShow Cause OrderNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Ronald H. Foster v. Author Success Publishing, et al.M.D. AlabamaUSA—2025-10-29ImpliedShow Cause OrderNone reportedCase summary (Charlotin AI Hallucination Cases DB)
In re: Loletha Hale, Esq. (Boston v. Williams)N.D. GeorgiaUSA—2025-10-28ImpliedOrder to notify clients; Order to file this opinion in all new cases for five yearsNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Ryan Andrew Nelson v. State Farm Fire and Casualty CompanyS.D. GeorgiaUSA—2025-10-28Unidentified—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Sehra Waheed v. SM 1 MMS, LLC, et al.S.D. New YorkUSA—2025-10-28Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Villasenor v. Ralphs Grocery Co.California SCUSA—2025-10-28Unidentified—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Anderson v. Akam Associates, Inc.SC New YorkUSA—2025-10-27ImpliedUpcoming SanctionsNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Green Building Initiative, Inc. v. Stephen R. Peacock & Green Globe LimitedD. OregonUSA—2025-10-27CopilotShow Cause OrderNone reportedSource (reason.com)
In re: Sherry Ann McGannD. Colorado (Bankruptcy)USA—2025-10-27Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Jayroe v. Progressive Casualty Insurance CompanyN.D. TexasUSA—2025-10-27ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
U.S. Bank National Association v. RichmondD. MaineUSA—2025-10-27ImpliedShow Cause OrderNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Crowder v. YussmanCA KentuckyUSA—2025-10-24ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Appeals of Huffman Construction, LLCASBCAUSA—2025-10-23UnidentifiedReply brief struck in its entiretyNone reportedCase summary (Charlotin AI Hallucination Cases DB)
In re: Sanctions Order of KenneyCA LouisianaUSA—2025-10-23ChatGPT, Microsoft Copilot, GoogleCosts order, 3 hours CLE on ethical use of generative AI, referral to Office of Disciplinary Counsel1368 USDCase summary (Charlotin AI Hallucination Cases DB)
Lin v. LealCalifornia SCUSA—2025-10-23ImpliedOrder to Show CauseNone reportedCase summary (Charlotin AI Hallucination Cases DB)
McCaster v. United StatesCourt of Federal ClaimsUSA—2025-10-23ImpliedAdmonishmentNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Alexandria Jones v. DC Office of Unified CommunicationsD. DCUSA—2025-10-22ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Corey v. KennehSC North DakotaUSA—2025-10-22ImpliedAffirmed sanctions from lower courtNone reportedCase summary (Charlotin AI Hallucination Cases DB)
FCA US LLC v. Stan Steele/Steele ServicesNational Arbitration Forum (UDRP)USA—2025-10-22ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Guardian Piazza D'Oro LLC v. Ward OzaetaCA CaliforniaUSA—2025-10-22Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
In re BittrexD. DelawareUSA—2025-10-22Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
John Weaver v. Shasta ServicesW.D. PennsylvaniaUSA—2025-10-22Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Mattox v. Product Innovation ResearchE.D. OklahomaUSA—2025-10-22ChatGPTPleadings struck; public reprimands; monetary sanctions; remedial filing and certification requirements28495 USDCase summary (Charlotin AI Hallucination Cases DB)
N-BAR Trade v. AmazonD. DCUSA—2025-10-22ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Pete v. Facebook Meta PlatformsE.D. TexasUSA—2025-10-22Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Richard M. Zelma v. Wonder Group Inc.D. New JerseyUSA—2025-10-22UnidentifiedSanctions deferredNone reportedCase summary (Charlotin AI Hallucination Cases DB)
University Mall v. Okorie et al.S.D. MississippiUSA—2025-10-22UnidentifiedCivil contempt1Case summary (Charlotin AI Hallucination Cases DB)
Arch Insurance Company v. A3 Development, LLCS.D. FloridaUSA—2025-10-21ImpliedOrder to Show CauseNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Leila Kasso v. Police Officers’ Federation of MinneapolisD. MinnesotaUSA—2025-10-21ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Rimu Capital Ltd. v. Ader et al.S.D. New YorkUSA—2025-10-21UnidentifiedWarningNone reportedNo source on file
Thomas Joseph Goddard v. Sares-Regis Group, Inc., et al.N.D. CaliforniaUSA—2025-10-21Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Megan Cowden v. US Treasury & IRSE.D. MissouriUSA—2025-10-20Implied—None reportedCase summary (Charlotin AI Hallucination Cases DB)
Mitchell Taylor Button & Dusty Button v. Juliet Doherty et al.S.D. New YorkUSA—2025-10-18ImpliedCertification requirement for future AI-assisted filings.None reportedCase summary (Charlotin AI Hallucination Cases DB)
Artur Sargsyan v. Amazon.com Inc.W.D. WashingtonUSA—2025-10-17ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Mitchell Taylor Button et al. v. John Jimison (1)W.D. WashingtonUSA—2025-10-17ImpliedOrder include signed certificationNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Mundy v. Clickstop, Inc.DC NebraskaUSA—2025-10-17UnidentifiedBrief struck; Cert requirement; Monetary sanction; Bar Referral2000 USDCase summary (Charlotin AI Hallucination Cases DB)
Tippecanoe County Assessor v. Craig GoergenIndiana Tax CourtUSA—2025-10-17ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Twyla Leach Minnesota DHS et al.D. MinnesotaUSA—2025-10-17ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Conrad Smith et al. v. Donald J. Trump et al.D. DCUSA—2025-10-16ImpliedShow Cause OrderNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Serafin v. United States Department of State, et al.E.D. MissouriUSA—2025-10-16ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Charles C. Force v. Capital One, N.A., et al.M.D. FloridaUSA—2025-10-15ImpliedFilings stricken; Show Cause OrderNone reportedCase summary (Charlotin AI Hallucination Cases DB)
Nima Ghadimi v. Arizona Bank & Trust, et al.D. ArizonaUSA—2025-10-15ImpliedWarningNone reportedCase summary (Charlotin AI Hallucination Cases DB)

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.