AI generated caselaw: Errors that carry consequences

Courts are increasingly sanctioning lawyers who submit briefs containing AI‑generated “hallucinations,” such as fabricated cases or misquoted legal authorities, emphasizing that attorneys remain fully responsible for verifying accuracy. Recent New York Commercial Division decisions in Ader and Jennie imposed fees and even disciplinary referrals after lawyers failed to proofread AI‑assisted filings. A proposed rule would require attorneys to certify the reliability of any AI‑generated material, underscoring a zero‑tolerance approach to unverified citations.

Download the full New York Law Journal article, "AI hallucinations: Imaginary caselaw, real consequences."