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Geographic scope: 2,223 public matters across the global corpus.Clear all filters

Public matterCourt / jurisdictionDateRecorded AI toolAmount Impact

Xinyue Hippe v. Retention Brands, LLCfake citations · misrepresented authority · civil rightsCourt filter: E.D. WisconsinE.D. WisconsinWI · federalJun 23, 2026AI (implied, unspecified)—medium William Louis Armstrong, III v. City of Milwaukeefake citations · civil rights · trialCourt filter: E.D. WisconsinE.D. WisconsinWI · federalMay 11, 2026Unidentified—low Pelishek v. City of Sheboyganfake citations · fabricated quotes · misrepresented authorityCourt filter: E.D. WisconsinE.D. WisconsinWI · federalSep 18, 2025Westlaw's Quick Check and AI Case Search Tool$4.5Kmedium Arajuo v. Wedelstadt et alfake citations · tort · trialCourt filter: E.D. WisconsinE.D. WisconsinWI · federalJan 22, 2025Unidentified—low Plumbers & Gasfitters Union v. Morris PlumbingtrialCourt filter: E.D. WisconsinE.D. WisconsinWI · federalApr 18, 2024No tool named in source—low Frier v. Hingissfake citations · fabricated quotes · civil rightsCourt filter: E.D. WisconsinE.D. WisconsinWI · federalSep 15, 2023AI (implied, unspecified)—low

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6 matching matters

Weekly alert: new AI-hallucination court cases