When Claude Hallucinates in Court: The Latham & Watkins Incident and What It Means for Attorney Liability
A $2,000/hour law firm just learned the hard way: Claude hallucinations in court filings create liability exposure for every company deploying AI in legal workflows.
Why it matters
As enterprises integrate Claude and other LLMs into high-stakes professional work, the Latham & Watkins case signals emerging legal risk around AI-generated errors and attorney accountability—a threshold issue for corporate AI adoption.
The key facts
5 to knowLatham & Watkins filed court declaration containing Claude hallucinations in Concord Music Group v. Anthropic (May 2025)
Firm bills $2,000+ per partner hour
Anthropic is a client of Latham & Watkins
Case raises attorney liability questions for AI-assisted legal work
Highlights hallucination risk in high-stakes professional deployment
Go to the source
MarkTechPostmarktechpost.com
Publisher excerpt: There is a particular kind of irony that the legal profession rarely gets to witness in such pristine form. In May 2025, Latham & Watkins a firm that routinely bills over $2,000 an hour for its partners and counts Anthropic among its clients filed a court declaration in Concord Music Group v.…