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AI Abuse Court Cases

Search 1,395 source-linked cases involving fabricated citations and other AI-generated legal errors.

837 judge-case associations across 551 judges and 164 courts.

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837Judge-case associations
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Yi-Sheng Fang, et al. v. Hechalou US LLC, et al.

U.S. District Court for the Central District of California · California · Sep 12, 2025

Fabricated: Case Law | Opposition cited cases that do not exist; Plaintiffs' supplemental declaration identified multiple non-existent cases attributed to AI generation. || False Quotes: Case Law | Opposition included quotations that do not appear in the cited authorities; Notice of Errata flagged four such nonexistent quotations and Plaintiffs identified additional misquotes. || Misrepresented: Case Law | Some cited cases exist but do not contain the quoted language or address the points asserted — the authorities were misrepresented and did not support the proffered propositions. || Fabricated: Case Law | Citations to cases that do not exist (AI-generated, non-existent authorities identified by Plaintiffs). || False Quotes: Case Law | Quotations attributed to existing cases that did not contain the quoted language (false quotations identified by Plaintiffs). || Misrepresented: Case Law | Citations to existing cases that do not address the point argued (misrepresentation of precedent). || Misrepresented: Case Law | Two instances where case citations were changed for the proffered proposition (mis-citation/misrepresentation).

Judges: Percy Anderson

Monetary sanction; Order to notify State Bar and compliance declarationParty using AI: Represented by counselRead the decision ↗