AI-assisted legal drafting systems
Incidents implicated systems
インシデント 15551 Report
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.
もっとインシデント 15581 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.
もっとインシデント 15711 Report
California Immigration Attorneys Reportedly Sanctioned Over Briefs Containing Probable Hallucinations in LNU v. Blanche
2025-10-20
California immigration attorneys Mike Singh Sethi and William Rounds were reportedly sanctioned in LNU v. Blanche after Ninth Circuit filings included purportedly fabricated and materially inaccurate legal authorities. The court said unauthorized generative AI use by unlicensed brief writers was probable and found that the attorneys failed to verify the filings and repeatedly lacked candor about the errors' source.
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