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WF-5TUURF

Heriberto Perez-Castillo v. Todd W. Blanche (7th Cir. CA): AI-hallucinated content in court filing, Monetary Sanction; Admonishment; Bar Referral

The AI generated false legal citations and quotations in an appellate brief, misleading the court and harming the client's immigration appeal.

Date it happened
2026-06-01
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This incident was imported from www.illinoislawyernow.com. Our additions to it — the structured fields, the translation, the checks against other reports — are published under the same licence.

This is a record of what was reported, not a finding that anyone broke the law. If it names your organisation and you believe it is wrong, the corrections process is free and open to everyone.