Lawyer Sanctioned for Fabricated Court Filings Based on AI Hallucinations

2026-09-11

A New Mexico attorney has been sanctioned for submitting court documents containing fabricated case law and false witness statements, generated by an artificial intelligence tool. The lawyer cited a ChatGPT-generated brief that included invented legal precedents and non-existent judicial opinions.

VERA Brief

AI-generated. Grounded in the article and its cited sources.

A New Mexico attorney was sanctioned for submitting court documents containing fabricated case law and false witness statements. The attorney used an artificial intelligence tool to draft the brief, which included invented legal precedents and non-existent judicial opinions.

Key facts

  • A New Mexico attorney faced sanctions for submitting court documents with fabricated case law and invented witness testimony.
  • The attorney utilized an artificial intelligence tool to draft the legal brief.
  • The court document stated that the AI generated false information and presented it as factual.
  • The attorney failed to verify the accuracy of the AI-generated content before filing it.

Source: Ars Technica

Reported by VERA Newswire.

More from September 2026 in The Record.