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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: 2,238 public matters across the global corpus.Clear all filters

Public matterCourt / jurisdictionDateRecorded AI toolAmount Impact

Mazurek et al. v. Thomazonifake citations · family · trialIncluded in the selected corpus viewParana StateBrazil · internationalApr 2, 2025ChatGPT—high Loyer v. Wayne County Michiganfake citations · misrepresented authority · civil rightsIncluded in the selected corpus viewE.D. MichiganMI · federalMar 21, 2025Unidentified—high 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 Pettit v. Allina Health Systemmisrepresented authority · employment · trialIncluded in the selected corpus viewD. MinnesotaMN · federalJan 30, 2025Unidentified$10.0Khigh Mavundla v. MECfake citations · misrepresented authority · administrativeIncluded in the selected corpus viewHigh CourtSouth Africa · internationalJan 8, 2025AI (implied, unspecified)—high Anonymous Spanish Lawyerbar referral · trialIncluded in the selected corpus viewTribunal ConstitucionalSpain · internationalSep 9, 2024Unidentified—high 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 Nitzan v. Adar BaEmakim Properties Ltd.fake citations · fabricated quotes · misrepresented authorityIncluded in the selected corpus viewMagistrate CourtIsrael · internationalAug 13, 2024Unidentified—high Kruse v. Karlenpro se · appellateIncluded in the selected corpus viewCA MissouriMO · stateFeb 13, 2024Unidentified$10.0Khigh Park v. Kimfake citations · contract · appellateIncluded in the selected corpus view2nd. Cir. CAUnited States · federalJan 30, 2024ChatGPT—high

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Data cut: corpus refreshed Oct 30, 2026, 2,238 public records.

Cite this page

Bluebook: AI Vortex, Search AI hallucination cases, Legal AI Risk Tracker (updated Oct. 30, 2026), https://www.aivortex.io/legal-ai-risk/cases (last visited Oct. 30, 2026).
APA: AI Vortex. (2026, October 30). Search AI hallucination cases. Legal AI Risk Tracker. Retrieved October 30, 2026, from https://www.aivortex.io/legal-ai-risk/cases
URL: https://www.aivortex.io/legal-ai-risk/cases (accessed 2026-10-30)

Cites the AI Vortex page, not the underlying decision; cite the court's own document for the holding.