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Geographic scope: 2,286 public matters across the global corpus.Clear all filters

Public matterCourt / jurisdictionDateRecorded AI toolAmount Impact

2028604 Ontario Ltd. v. His Majesty the Kingfake citations · misrepresented authority · taxPractice area: taxTax Court of CanadaCanada · internationalOct 28, 2026Unidentified—low United States v. Charles Randall Sorensenpro se · fake citations · fabricated quotesPractice area: taxD. MinnesotaMN · federalSep 30, 2026No tool named in source—low Moore v. Commissioner of Internal Revenuepro se · fake citations · misrepresented authorityPractice area: taxTax CourtUnited States · federalSep 15, 2026No tool named in source—low I SA/Go 210/26fabricated quotes · misrepresented authority · administrativePractice area: taxWSA w Gorzowie WielkopolskimPoland · internationalSep 3, 2026No tool named in source—low Egan v Commonwealth of Australiapro se · fake citations · fabricated quotesPractice area: taxFederal CourtAustralia · internationalAug 11, 2026Unidentified—low iHEAT.ME LTD v The Commissioners for His Majesty’s Revenue and Customspro se · fake citations · taxPractice area: taxFirst-tier Tribunal (Tax Chamber)United Kingdom · internationalJul 23, 2026Unidentified—low In re Bernardo Romerofake citations · fabricated quotes · bankruptcyPractice area: tax7th Cir. CAUnited States · federalJul 16, 2026AI (implied, unspecified)—low M.W. v. Director of the National Tax Informationpro se · fake citations · fabricated quotesPractice area: taxWSA w KrakowiePoland · internationalJun 19, 2026No tool named in source—low Nº 0004948-60.2026.8.16.0031fake citations · bar referral · administrativePractice area: taxTJ ParanaBrazil · internationalJun 12, 2026AI (implied, unspecified)—high Nº 0143435-40.2025.8.16.0000fake citations · bar referral · taxPractice area: taxTJ ParanaBrazil · internationalMay 8, 2026No tool named in source—high Omar Rafique v The Commissioners for His Majesty's Revenue and Customspro se · fake citations · misrepresented authorityPractice area: taxUKFTT (Tax Chamber)United Kingdom · internationalMay 6, 2026AI (implied, unspecified)—low LMT Property Investors Ltd v Revenue Scotlandfake citations · tax · trialPractice area: taxScotland Tax ChamberUnited Kingdom · internationalMay 1, 2026AI (implied, unspecified)—low Riddle Aggregates v. Commissioner of Internal Revenuefake citations · tax · trialPractice area: taxTax CourtUnited States · federalMar 18, 2026Grammarly, ChatGPT, and Gemini—low Kamal v Tax Policy Associatesfake citations · tax · trialPractice area: taxHigh Court of Justice of England and WalesUnited Kingdom · internationalMar 11, 2026AI (implied, unspecified)—low RYJZ and Commissioner of Taxation (Taxation)pro se · fake citations · taxPractice area: taxART AustraliaAustralia · internationalFeb 12, 2026AI (implied, unspecified)—low Peter L. Clinco v. Commissionerfake citations · misrepresented authority · taxPractice area: taxUS Tax CourtUnited States · federalFeb 9, 2026AI (implied, unspecified)—low SAS La Volumeriefake citations · tax · trialPractice area: taxTA RennesFrance · internationalJan 28, 2026AI (implied, unspecified)—low Oluronke Briana Adusei v. Colleen Auer, et al.pro se · fake citations · taxPractice area: taxD. ArizonaAZ · federalJan 20, 2026No tool named in source—low Robert Huish v The Commissioners for His Majesty's Revenue and Customspro se · fake citations · administrativePractice area: taxFirst-tier TribunalUnited Kingdom · internationalJan 16, 2026Unidentified—low Smith and Commissioner of Taxationpro se · fake citations · misrepresented authorityPractice area: taxAdministrative Review TribunalAustralia · internationalJan 12, 2026AI (implied, unspecified)—low Elden v HMRCmisrepresented authority · tax · trialPractice area: taxFirst-tier TribunalUnited Kingdom · internationalJan 8, 2026Unidentified—low MS J M Jain Prop Sh Jeetmal Choraria v. Union of India & Ors.fake citations · tax · trialPractice area: taxDelhi High CourtIndia · internationalNov 18, 2025AI (implied, unspecified)—low Megan Cowden v. US Treasury & IRSpro se · fake citations · fabricated quotesPractice area: taxE.D. MissouriMO · federalOct 20, 2025AI (implied, unspecified)—low KMG Wires Private Limited v. The National Faceless Assessment Centre et al.fake citations · tax · trialPractice area: taxHigh Court BombayIndia · internationalOct 6, 2025AI (implied, unspecified)—low The Meniscus Trust v Chief Commissioner of State Revenuepro se · tax · trialPractice area: taxNSWAustralia · internationalAug 21, 2025Google Gemini; ChatGPT—low

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Data cut: corpus refreshed Nov 13, 2026, 2,286 public records.

Cite this page

Bluebook: AI Vortex, Search AI hallucination cases, Legal AI Risk Tracker (updated Nov. 13, 2026), https://www.aivortex.io/legal-ai-risk/cases (last visited Nov. 13, 2026).
APA: AI Vortex. (2026, November 13). Search AI hallucination cases. Legal AI Risk Tracker. Retrieved November 13, 2026, from https://www.aivortex.io/legal-ai-risk/cases
URL: https://www.aivortex.io/legal-ai-risk/cases (accessed 2026-11-13)

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