AI Abuse Court Cases

Search 691 source-linked cases involving fabricated citations and other AI-generated legal errors.

814 judge-case associations across 549 judges and 187 courts.

Source: Damien Charlotin

691Cases

814Judge-case associations

549Judges

187Courts

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AI-related case

Lnu v. Blanche

U.S. Court of Appeals for the Ninth Circuit · National federal courts · Jun 3, 2026

Fabricated: Case Law | Opening brief cited a case that does not exist. || Fabricated: Case Law | Opening brief cited a case that does not exist. || False Quotes: Case Law | Quotation attributed to Kamalthas does not appear in that opinion. || False Quotes: Ca…

Judges: Carlos T. Bea, Danielle Jo Forrest, Richard A. Paez

Monetary Sanction; 6-month Suspension; Notification Requirement; Bar SuspensionRead the decision ↗

AI-related case

Grant v. City of Long Beach

U.S. Court of Appeals for the Ninth Circuit · National federal courts · Mar 22, 2024

AI UseThe appellants’ lawyer submitted an opening brief riddled with hallucinated cases and mischaracterizations. The court did not directly investigate the technological origin but cited the systematic errors as consistent with known AI-generated hallucinati…

Judges: Holly Aiyisha Thomas, Roopali H. Desai, Rosemary Márquez

Striking of Brief + Dismissal of AppealRead the decision ↗