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: 19 public matters across the global corpus.Clear all filters

6 matching matters

Showing 1-6 · Page 1 of 1

Public matterCourt / jurisdictionDateRecorded AI toolAmountImpact
Duckett v. Board of Regents of the University of Wisconsin Systemfake citations · fabricated quotes · civil rightsState filter: WIW.D. WisconsinWI · federalOct 7, 2026Unidentified—lowXinyue Hippe v. Retention Brands, LLCfake citations · misrepresented authority · civil rightsState filter: WIE.D. WisconsinWI · federalJun 23, 2026AI (implied, unspecified)—mediumWilliam Louis Armstrong, III v. City of Milwaukeefake citations · civil rights · trialState filter: WIE.D. WisconsinWI · federalMay 11, 2026Unidentified—lowAlaya Coleman v. RPF-Somers Investors, LLC, et al.pro se · fake citations · fabricated quotesState filter: WIE.D. WisconsinWI · federalNov 4, 2025AI (implied, unspecified)—lowPelishek v. City of Sheboyganfake citations · fabricated quotes · misrepresented authorityState filter: WIE.D. WisconsinWI · federalSep 18, 2025Westlaw's Quick Check and AI Case Search Tool$4.5KmediumFrier v. Hingissfake citations · fabricated quotes · civil rightsState filter: WIE.D. WisconsinWI · federalSep 15, 2023AI (implied, unspecified)—low
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.