Public trackerCorpus refreshed Oct 27, 2026 · Latest decision Oct 23, 2026Public incidents are risk signals, not usage-adjusted rates
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.

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

8 matching matters

Showing 1-8 · Page 1 of 1

Public matterCourt / jurisdictionDateRecorded AI toolAmountImpact
Michael L. Ruiz v. Magellan Financial & Insurance Services (1)fake citations · fabricated quotes · employmentRecorded response: ordered to show causeD. ArizonaAZ · federalJul 28, 2026Claude AI—mediumKevin Leiske et al. v. Robert Gregory Kidd et al.fake citations · fabricated quotes · misrepresented authorityRecorded response: ordered to show causeDelaware Ch.DE · stateJul 1, 2026Perplexity—mediumTlingit Haida Tribal Business Corporation v. OnePromomfabricated quotes · contract · trialRecorded response: ordered to show causeD. ColoradoCO · federalJun 9, 2026Eve Legal—mediumViken v. Schuelkefabricated quotes · misrepresented authority · contractRecorded response: ordered to show causeMinnesota DCMN · stateJan 13, 2026Lexis Assist—mediumUnited States v. Thomas Czartorski, et al.fake citations · misrepresented authority · criminalRecorded response: ordered to show causeW.D. KentuckyKY · federalNov 10, 2025ChatGPT—mediumANPV and SAPV v Secretary of State for the Home Departmentfake citations · misrepresented authority · immigrationRecorded response: ordered to show causeUpper Tribunal (IAC)United Kingdom · internationalSep 29, 2025Microsoft Copilot—mediumDoe v. NoemtrialRecorded response: ordered to show causeD. DCDC · federalJul 1, 2025ChatGPT—mediumPeter Gilmai v Abel Tol & Orsfake citations · administrative · trialRecorded response: ordered to show causeNational Court of Justice at LaePapua New Guinea · internationalMay 9, 2025ChatGPT—medium
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.