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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.

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Geographic scope: 2,257 public matters across the global corpus.Clear all filters

Attribution: named tool recorded

Public matterCourt / jurisdictionDateRecorded AI toolAmount Impact

State v. Saherfake citations · trialIncluded in the selected corpus viewCC OhioOH · stateFeb 11, 2025ChatGPT—low QWYN and Commissioner of Taxationfabricated quotes · tax · trialIncluded in the selected corpus viewAdministrative Review Tribunal of AustraliaAustralia · internationalFeb 5, 2025Copilot—low Valu v. Minister for Immigration and Multicultural Affairsfake citations · fabricated quotes · administrativeIncluded in the selected corpus viewFederal Circuit and Family Court of Australia (Division 2)Australia · internationalJan 31, 2025ChatGPT—high Gonzalez v. Texas Taxpayers and Research Associationfake citations · misrepresented authority · otherIncluded in the selected corpus viewW.D. TexasTX · federalJan 29, 2025Lexis Nexis's AI$4.0Kmedium Body by Michael Pty Ltd and Industry Innovation and Science Australiapro se · fake citations · fabricated quotesIncluded in the selected corpus viewAdministrative Review TribunalAustralia · internationalJan 24, 2025ChatGPT—low Kohls v. Ellisonfake citations · trialIncluded in the selected corpus viewD. MinnesotaMN · federalJan 10, 2025GPT-4o—low Gauthier v. Goodyear Tire & Rubber Co.fake citations · fabricated quotes · employmentIncluded in the selected corpus viewE.D. TexasTX · federalNov 25, 2024Claude$2.0Kmedium Iovino v. Michael Stapleton Associates, Ltd.fake citations · fabricated quotes · misrepresented authorityIncluded in the selected corpus viewW.D. VirginiaVA · federalOct 10, 2024Claude, Westlaw, LexisNexis—low Matter of WebertrialIncluded in the selected corpus viewCC New YorkNY · stateOct 10, 2024MS Copilot—low ATSJ NA 38/2024fake citations · fabricated quotes · criminalIncluded in the selected corpus viewTSJ NavarraSpain · internationalSep 4, 2024CHATGPT 3—low USA v. Michelfabricated quotes · criminal · trialIncluded in the selected corpus viewD. DCDC · federalAug 30, 2024EyeLevel—low In re Dayalfake citations · bar referral · contractIncluded in the selected corpus viewFederal Circuit and Family Court of Australia (Division 2)Australia · internationalAug 27, 2024AI research tool built into legal practice management software (product not named in the judgment)—high Mr D Rollo v. Marstons Trading Ltdpro se · misrepresented authority · employmentIncluded in the selected corpus viewEmployment TribunalUnited Kingdom · internationalAug 1, 2024ChatGPT—low X BV in Z v. Tax Inspectormisrepresented authority · tax · trialIncluded in the selected corpus viewThe Hague CANetherlands · internationalJun 26, 2024ChatGPT—low Michael Cohen Matterpro se · fake citations · criminalIncluded in the selected corpus viewSDNYUnited States · stateMar 20, 2024Google Bard—low X BV in Z v. Tax Inspectortax · trialIncluded in the selected corpus viewThe Hague CANetherlands · internationalMar 5, 2024ChatGPT—low Zhang v. Chenfake citations · family · trialIncluded in the selected corpus viewBC Supreme CourtCanada · internationalFeb 20, 2024ChatGPT—low Park v. Kimfake citations · contract · appellateIncluded in the selected corpus view2nd. Cir. CAUnited States · federalJan 30, 2024ChatGPT—high Zachariah Crabill Disciplinary Casefake citations · trialIncluded in the selected corpus viewColorado SCCO · stateNov 21, 2023ChatGPT—career ending Parker v. Forsyth NNO and Othersfake citations · misrepresented authority · tortIncluded in the selected corpus viewMagistrates' CourtSouth Africa · internationalJun 29, 2023ChatGPT—low Mata v. Avianca, Incfake citations · fabricated quotes · misrepresented authorityIncluded in the selected corpus viewS.D. New YorkNY · federalJun 22, 2023ChatGPT$5.0Kmedium Unknown casepro se · trialIncluded in the selected corpus viewManchesterUnited Kingdom · internationalMay 29, 2023ChatGPT—low Nº 0600814-85.2022.6.00.0000fake citations · administrative · trialIncluded in the selected corpus viewTribunal Superior EleitoralBrazil · internationalApr 14, 2023ChatGPT—medium

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Data cut: corpus refreshed Nov 3, 2026, 2,257 public records.

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Bluebook: AI Vortex, Search AI hallucination cases, Legal AI Risk Tracker (updated Nov. 3, 2026), https://www.aivortex.io/legal-ai-risk/cases (last visited Nov. 3, 2026).
APA: AI Vortex. (2026, November 3). Search AI hallucination cases. Legal AI Risk Tracker. Retrieved November 3, 2026, from https://www.aivortex.io/legal-ai-risk/cases
URL: https://www.aivortex.io/legal-ai-risk/cases (accessed 2026-11-03)

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