LLMMedium
Lawyer in Amarsingh v. Frontier Airlines Sanctioned Over Court-Identified ChatGPT Citation Errors
- Occurred
- Jan 24, 2025
- Published
- Feb 9, 2026
- Source
- AI Incident Database
Summary
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.
Developers
- OpenAI
- Large language model developers
- Chatbot developers
- AI research tool developers
Deployers
- Pro se litigants
- Lawyers
- Kusmin L. Amarsingh
Harmed parties
- United States Court of Appeals for the Tenth Circuit
- Judicial integrity
- Frontier Airlines
- Epistemic integrity
Classification
Category confidence: 95%
Severity confidence: 90%
Rationale: ChatGPT hallucinations led to fabricated citations and legal sanctions for the attorney.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8