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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

Shakori v Tern, 2025 ONLTB 31233fake citations · administrative · trialIncluded in the selected corpus viewLTB (Ontario)Canada · internationalMay 26, 2025ChatGPT—low Concord v. AnthropictrialIncluded in the selected corpus viewN.D. CaliforniaCA · federalMay 23, 2025Claude.ai—medium Garner v. Kadincefake citations · contract · appellateIncluded in the selected corpus viewCA UtahUT · stateMay 22, 2025ChatGPT$1.0Kmedium USA v. Burkefabricated quotes · misrepresented authority · criminalIncluded in the selected corpus viewM.D. FloridaFL · federalMay 15, 2025Westlaw's AI tools, GPT4.5 Deep Research (Pro)—low Bandla v. Solicitors Regulation Authoritypro se · fake citations · misrepresented authorityIncluded in the selected corpus viewUKUnited Kingdom · internationalMay 13, 2025Google Search (Allegedly)—high Peter Gilmai v Abel Tol & Orsfake citations · administrative · trialIncluded in the selected corpus viewNational Court of Justice at LaePapua New Guinea · internationalMay 9, 2025ChatGPT—medium Lacey v. State Farm General Insurancefake citations · fabricated quotes · contractIncluded in the selected corpus viewC.D. CaliforniaCA · federalMay 6, 2025CoCounsel, Westlaw Precision, Google Gemini$31.1Khigh Flowz Digital v. Caroline Dalalfake citations · misrepresented authority · bar referralIncluded in the selected corpus viewC.D. CaliforniaCA · federalMay 5, 2025Lexis+AI—high Lozano González v. Robergefabricated quotes · administrative · trialIncluded in the selected corpus viewHousing Administrative TribunalCanada · internationalMay 1, 2025ChatGPT—low Benjamin v. Costco Wholesale Corpfake citations · trialIncluded in the selected corpus viewE.D. New YorkNY · federalApr 24, 2025ChatOn$1.0Kmedium Murray on behalf of the Wamba Wemba Native Title Claim Group v. State of Victoriafake citations · trialIncluded in the selected corpus viewFederal CourtAustralia · internationalApr 22, 2025Google Scholar (allegedly)—low Ferris v. Amazon.com Servicespro se · fake citations · trialIncluded in the selected corpus viewN.D. MississippiMS · federalApr 16, 2025ChatGPT—low Crystal Truong, et al. v. Flint Hills Resources, LLC, et al.trialIncluded in the selected corpus viewS.D. TexasTX · federalApr 14, 2025ChatGPT—low D'Angelo v. VaughttrialIncluded in the selected corpus viewCC IllinoisIL · stateApr 2, 2025Archie (Smokeball)$2.0Kmedium Mazurek et al. v. Thomazonifake citations · family · trialIncluded in the selected corpus viewParana StateBrazil · internationalApr 2, 2025ChatGPT—high LYJ v. Occupational Therapy Board of Australiapro se · fake citations · trialIncluded in the selected corpus viewQueenslandAustralia · internationalMar 26, 2025ChatGPT—low Kruglyak v. Home Depot U.S.A., Inc.pro se · fake citations · misrepresented authorityIncluded in the selected corpus viewW.D. VirginiaVA · federalMar 25, 2025ChatGPT—medium Williams v. Capital One Bankpro se · fake citations · misrepresented authorityIncluded in the selected corpus viewD. DCDC · federalMar 18, 2025CoCounsel—career ending A v. Bfake citations · fabricated quotes · ipIncluded in the selected corpus viewFlorenceItaly · internationalMar 13, 2025ChatGPT—low Arnaoudoff v. Tivity Health Incorporatedpro se · fake citations · misrepresented authorityIncluded in the selected corpus viewD. ArizonaAZ · federalMar 11, 2025ChatGPT—low Bunce v. Visual Technology Innovations (1)fake citations · misrepresented authority · otherIncluded in the selected corpus viewE.D. PennsylvaniaPA · federalFeb 27, 2025ChatGPT$2.5Kmedium Wadsworth v. Walmart (Morgan & Morgan)fake citations · tort · trialIncluded in the selected corpus viewD. WyomingWY · federalFeb 24, 2025MX2.law (firm in-house AI platform)$5.0Kmedium Unnamed Brazilian litigantfake citations · bar referral · trialIncluded in the selected corpus view6th Civil Chamber, Court of Justice of Santa CatarinaBrazil · internationalFeb 18, 2025ChatGPT—low Geismayr v. The Owners, Strata Plan KAS 1970pro se · fake citations · misrepresented authorityIncluded in the selected corpus viewCivil Resolution TribunalCanada · internationalFeb 14, 2025Copilot—low Goodchild v State of Queenslandpro se · fake citations · employmentIncluded in the selected corpus viewQueensland IRCAustralia · internationalFeb 13, 2025"Internet searches"—low

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

Cite this page

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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