Home/Cases

Complete corpus

Search legal AI risk records

Find cases, orders, courts, tools, and failure patterns. Results cover the complete global corpus; use status filters to separate allegation-only records. Judge search is available only where a judge is recorded.

Browse courts Browse judges Open map

Search

Country

US state

Editorial impact

Court

Judge / decision-maker

AI tool

Failure mode

Record status

Geographic scope: 2,223 public matters across the global corpus.Clear all filters

Public matterCourt / jurisdictionDateRecorded AI toolAmount Impact

Mercante v. Tarziafake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesE.D. New YorkNY · federalOct 2, 2026Westlaw AI—low NK (Namibia) v Secretary of State for the Home Departmentfake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesUpper Tribunal (Immigration and Asylum Chamber)Namibia; UK · internationalSep 21, 2026ChatGPT—low Tiekert v. Village of Mamaroneck, et al.fabricated quotes · misrepresented authority · civil rightsFailure mode: fabricated quotesS.D. New YorkNY · federalSep 14, 2026ChatGPT$500medium Youssian v Village of Kings Pointfake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesSC New YorkNY · stateSep 9, 2026Spellbook AI$15.0Khigh Michael L. Ruiz v. Magellan Financial & Insurance Services (2)fabricated quotes · misrepresented authority · otherFailure mode: fabricated quotesD. ArizonaAZ · federalAug 24, 2026ChatGPT—high Unspecified murder appeal (Las Cruces area)fake citations · fabricated quotes · bar referralFailure mode: fabricated quotesNew Mexico SCNM · stateAug 21, 2026ChatGPT$5.0Khigh Imperial Reliance, LLC v. HZ Properties & Marketing, LLCfake citations · fabricated quotes · otherFailure mode: fabricated quotesN.D. TexasTX · federalAug 18, 2026Westlaw generative AI / premium Westlaw subscription—low A. P. v. S. K.pro se · fake citations · fabricated quotesFailure mode: fabricated quotesCA QuébecCanada · internationalAug 11, 2026ChatGPT—medium Fa’alagilagi Meni-Siliga v. A’s Contractor, Inc., et al.fake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesLos Angeles SC, CaliforniaCA · stateAug 11, 2026Irys—low Ulish Kerry Terrace Booker, III v. U.S. Bank National Associationpro se · fake citations · fabricated quotesFailure mode: fabricated quotesD. ConnecticutCT · federalAug 5, 2026Gemini Pro; Perplexity; Cetient Legal AI; ChatGPT—low Barteca Holdings v. Tacobarnfabricated quotes · misrepresented authority · bar referralFailure mode: fabricated quotesD. ConnecticutCT · federalAug 4, 2026Open Law; Claude; ChatGPT$3.5Khigh Kleyman Law Group, P.C. v. Kaloidisfake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesSC New YorkNY · stateAug 4, 2026Claude and other generative AI platforms$46.5Khigh Michael L. Ruiz v. Magellan Financial & Insurance Services (1)fake citations · fabricated quotes · employmentFailure mode: fabricated quotesD. ArizonaAZ · federalJul 28, 2026Claude AI—medium Scott v. Illinois Human Rights Comm’nfake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesCA IllinoisIL · stateJul 28, 2026ChatGPT$15.0Khigh Joann LeDoux v. Outliers, Inc. (1)fake citations · fabricated quotes · tortFailure mode: fabricated quotesW.D. WashingtonWA · federalJul 24, 2026ChatGPT, Claude$3.0Kmedium In re Rosslyn2016, LLC, et al.fake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesS.D. Texas (Bankruptcy)TX · federalJul 14, 2026Westlaw Precision$29.9Khigh Thompson v. County of San Diegofabricated quotes · misrepresented authority · otherFailure mode: fabricated quotesCA California (4d)CA · stateJul 14, 2026Lexis+ with Protégé—low Kevin Leiske et al. v. Robert Gregory Kidd et al.fake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotesDelaware Ch.DE · stateJul 1, 2026Perplexity—medium Tlingit Haida Tribal Business Corporation v. OnePromomfabricated quotes · contract · trialFailure mode: fabricated quotesD. ColoradoCO · federalJun 9, 2026Eve Legal—medium Withers v. City of Aberdeenfake citations · fabricated quotes · bar referralFailure mode: fabricated quotesN.D. MississippiMS · federalJun 8, 2026First Drafts$8.0Kcareer ending Fadi El Bitar v. Julio Hernandezfabricated quotes · immigration · trialFailure mode: fabricated quotesW.D. WashingtonWA · federalJun 2, 2026Google Gemini$1.0Kmedium Heriberto Perez-Castillo v. Todd W. Blanchefake citations · fabricated quotes · misrepresented authorityFailure mode: fabricated quotes7th Cir. CAUnited States · federalJun 1, 2026ChatGPT$5.0Khigh Guo v. Meade Motorcars, L.L.C.pro se · fake citations · fabricated quotesFailure mode: fabricated quotesCA Ohio (6d)OH · stateMay 26, 2026Deepseek$100medium Jackie L. Miller v. Regions Bankfake citations · fabricated quotes · bar referralFailure mode: fabricated quotesN.D. AlabamaAL · federalMay 21, 2026ChatGPT—high Davis v. Marion County Juvenile Detention Centerfake citations · fabricated quotes · civil rightsFailure mode: fabricated quotesS.D. IndianaIN · federalMay 20, 2026Fastcase$2.0Kmedium

Weekly alert

Weekly alert: new AI-hallucination court cases

One short email a week with the newly recorded cases, courts and sanctions. Free, no spam, unsubscribe anytime.