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.

Browse courts Browse judges Open map

Search

Country

US state

Editorial impact

Court

Judge / decision-maker

AI tool

Failure mode

Record status

Geographic scope: 2,236 public matters across the global corpus.Clear all filters

Public matterCourt / jurisdictionDateRecorded AI toolAmount Impact

Kusmin L. Amarsingh v. Frontier Airlines, Inc.fake citations · fabricated quotes · bar referralParty type: Lawyer10th Cir. CAUnited States · federalFeb 9, 2026ChatGPT$1.0Khigh Peter L. Clinco v. Commissionerfake citations · misrepresented authority · taxParty type: LawyerUS Tax CourtUnited States · federalFeb 9, 2026AI (implied, unspecified)—low Valve Corporation v. Rothschild et al.fake citations · fabricated quotes · misrepresented authorityParty type: LawyerW.D. WashingtonWA · federalFeb 9, 2026AI (implied, unspecified)—medium Raul Gonzales Davila v. Roblenfake citations · fabricated quotes · employmentParty type: LawyerD. ConnecticutCT · federalFeb 6, 2026Unidentified—low Arkansas DHS v. April Ward and Minor Child Respondentsfake citations · fabricated quotes · otherParty type: LawyerSC ArkansasAR · stateFeb 5, 2026Copilot—high Flycatcher v. Affable Avenue (2)fake citations · fabricated quotes · misrepresented authorityParty type: LawyerS.D. New YorkNY · federalFeb 5, 2026NotebookLM; vLex; Paxton AI$38.9Khigh Nº 5734510-54.2025.8.09.0051fake citations · trialParty type: LawyerTJ GoiásBrazil · internationalFeb 5, 2026AI (implied, unspecified)—low Ericka Holmes v. The University of Texas at Austinfake citations · misrepresented authority · employmentParty type: LawyerW.D. TexasTX · federalFeb 4, 2026AI (implied, unspecified)—low Offen Petroleum v. L&J Expressfake citations · fabricated quotes · misrepresented authorityParty type: LawyerD. ArizonaAZ · federalFeb 4, 2026No tool named in source—low Patrick Idim Cyprian v. Minister of Citizenship and Immigrationfake citations · misrepresented authority · immigrationParty type: LawyerIADCanada · internationalFeb 4, 2026Unidentified—low RSR Road Surface Recycling v Bonnechere Excavating et al.fabricated quotes · misrepresented authority · contractParty type: LawyerOntario SCJCanada · internationalFeb 4, 2026Unidentified—low Sophia Madigan v. Graco Inc.fake citations · employment · trialParty type: LawyerD. MinnesotaMN · federalFeb 4, 2026Unidentified—low 1S REO Opportunity 1, LLC v. 223 Howard LLCfake citations · contract · trialParty type: LawyerE.D. New YorkNY · federalFeb 3, 2026No tool named in source—low Kizzie Sims & Estate of Gregory Neil Davis v. Board of County Commissionersmisrepresented authority · civil rights · trialParty type: LawyerW.D. OklahomaOK · federalFeb 3, 2026Unidentified—low Pasuengos v Minister for Immigration and Citizenship (No 2)fake citations · bar referral · administrativeParty type: LawyerFederal Circuit and Family CourtAustralia · internationalFeb 3, 2026Google search AI summary—high Lexos Media IP, LLC v. Overstock.com, Inc.fake citations · fabricated quotes · misrepresented authorityParty type: LawyerD. KansasKS · federalFeb 2, 2026ChatGPT$12.0Khigh Ortiz Fatima Cecilia v. Booking.com y otrosfake citations · bar referral · tortParty type: LawyerJCC de TucumánArgentina · internationalFeb 2, 2026ChatGPT—high PSAHSC v. Tchampetfabricated quotes · misrepresented authority · administrativeParty type: LawyerHigh CourtUnited Kingdom · internationalJan 30, 2026Microsoft Co-Pilot—low Stephen Schaaf v. Nellis Auction Holdings, LLC, et al.fake citations · other · trialParty type: LawyerD. NevadaNV · federalJan 30, 2026AI (implied, unspecified)—low Andrey Ivanov & Hometrade Realty Inc. Brokerage v. Uri Kiselman & Viva Solar Inc. (Costs Endorsement)fake citations · misrepresented authority · contractParty type: LawyerOntario SCSMCanada · internationalJan 29, 2026No tool named in source—medium Resolución Nº 00152-2026, Expediente 19-000531-0275-PEmisrepresented authority · criminal · appellateParty type: LawyerCA San JoséCosta Rica · internationalJan 29, 2026ChatGPT—low Abybatou Mbow v. Officer Michael Mackert et al. (1)fake citations · fabricated quotes · misrepresented authorityParty type: LawyerD. MarylandMD · federalJan 28, 2026Unidentified—medium Matter of: Bramstedt Surgical Inc.fake citations · administrative · trialParty type: LawyerGAOUnited States · federalJan 28, 2026AI (implied, unspecified)—low SAS La Volumeriefake citations · tax · trialParty type: LawyerTA RennesFrance · internationalJan 28, 2026AI (implied, unspecified)—low Cassata v. Michael Macrina Architect, P.C.fake citations · fabricated quotes · misrepresented authorityParty type: LawyerSC New YorkNY · stateJan 27, 2026AI (implied, unspecified)$10.0Khigh

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.

Data cut: corpus refreshed Oct 31, 2026, 2,236 public records.

Cite this page

Bluebook: AI Vortex, Search AI hallucination cases, Legal AI Risk Tracker (updated Oct. 31, 2026), https://www.aivortex.io/legal-ai-risk/cases (last visited Oct. 31, 2026).
APA: AI Vortex. (2026, October 31). Search AI hallucination cases. Legal AI Risk Tracker. Retrieved October 31, 2026, from https://www.aivortex.io/legal-ai-risk/cases
URL: https://www.aivortex.io/legal-ai-risk/cases (accessed 2026-10-31)

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