LLMMedium
California Immigration Attorneys Reportedly Sanctioned Over Briefs Containing Probable Hallucinations in LNU v. Blanche
- Occurred
- Oct 20, 2025
- Published
- Jun 3, 2026
- Source
- AI Incident Database
Summary
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.
Developers
- Large language model developers
Deployers
- Sethi Law Group
- Legal professionals
- Law firms
Harmed parties
- United States Court of Appeals for the Ninth Circuit
- Sunita Rani LNU
- Malkeet LNU
- Judicial integrity
- Jaivin Lohan
- Epistemic integrity
Classification
Category confidence: 95%
Severity confidence: 90%
Rationale: Attorneys sanctioned for using generative AI to fabricate legal citations without verification.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8