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Public trackerCorpus refreshed Nov 13, 2026 · Latest decision Nov 8, 2026Public incidents are risk signals, not usage-adjusted rates
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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: 2,286 public matters across the global corpus.Clear all filters
Practice: tax

34 matching matters

Showing 26-34 · Page 2 of 2

Public matterCourt / jurisdictionDateRecorded AI toolAmountImpact
HMRC v. Gunnarsonpro se · fake citations · misrepresented authorityPractice area: taxUpper Tribunal (Tax and Chancery Chamber)United Kingdom · internationalJul 23, 2025Unidentified—lowDelano Crossing v. County of Wrightfake citations · misrepresented authority · taxPractice area: taxMinnesota Tax CourtMN · stateMay 29, 2025Unidentified—highDi Rocco Isabelle - Corte di Cassazione, Sez. Pen. 3, Sent. n. 25455/2025misrepresented authority · tax · trialPractice area: taxCorte di CassazioneItaly · internationalMay 21, 2025Unidentified—lowZzaman v. HMRCpro se · fake citations · misrepresented authorityPractice area: taxFirst-tier Tribunal (Tax Chamber)United Kingdom · internationalApr 3, 2025AI (implied, unspecified)—lowQWYN and Commissioner of Taxationfabricated quotes · tax · trialPractice area: taxAdministrative Review Tribunal of AustraliaAustralia · internationalFeb 5, 2025Copilot—lowBody by Michael Pty Ltd and Industry Innovation and Science Australiapro se · fake citations · fabricated quotesPractice area: taxAdministrative Review TribunalAustralia · internationalJan 24, 2025ChatGPT—lowThomas v. Commissioner of Internal Revenuemisrepresented authority · tax · trialPractice area: taxUS Tax CourtUnited States · federalOct 23, 2024AI (implied, unspecified)—lowX BV in Z v. Tax Inspectormisrepresented authority · tax · trialPractice area: taxThe Hague CANetherlands · internationalJun 26, 2024ChatGPT—lowX BV in Z v. Tax Inspectortax · trialPractice area: taxThe Hague CANetherlands · internationalMar 5, 2024ChatGPT—low
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Data cut: corpus refreshed Nov 13, 2026, 2,286 public records.

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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.