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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.

1,395Cases
837Judge-case associations
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164Courts

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MacroCharts Research LLC v. Tony Chou

U.S. District Court for the Northern District of California · California · Jan 26, 2026

Fabricated: Case Law | Chou's opposition contained nonexistent legal authorities; Plaintiff identified the 'nonexistent' or 'hallucinated' citations and Chou subsequently filed an errata removing them. The Court called the citations 'nonexistent' but declined sanctions.

Judges: Jon Steven Tigar

WarningParty using AI: Self-representedRead the decision ↗