Lawyers
Incidents involved as Deployer
Incident 15583 Report
Sullivan & Cromwell Reportedly Filed Emergency Bankruptcy Motion Containing AI-Generated Legal Errors
2026-04-09
Sullivan & Cromwell reportedly filed an emergency motion in the Chapter 15 bankruptcy case of Prince Global Holdings that contained numerous citation and legal inaccuracies. The firm later acknowledged that some errors were AI hallucinations and that its AI-use and citation-review policies had not been followed. After opposing counsel identified the problems, the firm reportedly undertook a formal remedial response.
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Lawyer in Amarsingh v. Frontier Airlines Sanctioned Over Court-Identified ChatGPT Citation Errors
2025-01-24
In Amarsingh v. Frontier Airlines, the Tenth Circuit sanctioned attorney Kusmin L. Amarsingh after finding that her appellate brief included fabricated case citations and misattributed legal authority generated by ChatGPT and not verified before filing. The court ordered a $1,000 payment to Frontier and referred the matter to Maryland disciplinary authorities.
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Four Lawyers Reportedly Sanctioned After Purportedly AI-Related Hallucinated Citations Appeared in Withers v. City of Aberdeen
2025-11-05
In Withers v. City of Aberdeen, a federal judge in Mississippi reportedly sanctioned four lawyers after filings from both sides contained purportedly hallucinated legal citations linked to unverified AI use. The court said Kathleen Wilson used First Drafts to draft a filing and Kathryn Williams used an AI legal-research tool; all four attorneys were removed from the case and fined.
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Reportedly AI-Assisted Boies Schiller Brief in Bixler v. Church of Scientology Allegedly Contained Material Citation Errors and a Nonexistent Case
2025-07-30
Boies Schiller Flexner filed a respondents' brief in Bixler v. Church of Scientology International that was reportedly prepared with AI assistance and allegedly contained material citation errors. Opposing counsel reportedly identified mischaracterized and mistitled authorities, including one nonexistent case. Partner John Kucera accepted responsibility for failing to verify the citations and sought to replace the brief; the court denied that request and later considered monetary sanctions.
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