Home/Events/New Mexico Supreme Court Punishes Lawyer for Submitting AI-Generated Brief with Fake Testimony Using ChatGPT

New Mexico Supreme Court Punishes Lawyer for Submitting AI-Generated Brief with Fake Testimony Using ChatGPT

Resolved
Confidence
90%
Impact: 70%
Updated 50m ago

Consensus Brief

The New Mexico Supreme Court held attorney Stephen Aarons in contempt for submitting a brief containing fabricated witness testimony generated by ChatGPT. Aarons admitted to not verifying the information in the AI-generated brief and was referred to a disciplinary board, facing a $5,000 fine and potential further penalties.

Sourced from
Primary: Ars Technica

What Changed Since Last Update

50m ago

New corroborating source added: Ars Technica published an update on Fri, 11 Se ("ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses").

Claim Ledger

4 claims tracked across sources

Confirmed Fact

Aarons submitted a brief with false testimony from fabricated witnesses.

Confirmed Fact

Aarons was fined $5,000 and referred to a disciplinary board.

Confirmed Fact

Aarons used a version of ChatGPT powered by the OpenAI o3 model.

Confirmed Fact

The case will proceed in the court's 2026-27 term.

Role-Based Impact Analysis