Updates to our Terms of Use

We are updating our Terms of Use. Please carefully review the updated Terms before proceeding to our website.

Wednesday, April 23, 2025

View Back issues

ChatGPT caselaw will cost you

ST. LOUIS — An appeals court in Missouri lambasted a pro se litigant for submitting multiple “fictitious cases” conjured up by the A.I. chat bot ChatGPT, which offered citations “that have potentially real case names — presumably the result of algorithmic serendipity,” that pointed to either non-existent rulings or to irrelevant ones. The litigant must pay $10,000 to opposing counsel for wasting their time with the “frivolous appeal.”

Read the ruling here.

Read coverage of similar rebukes **here and here.

Categories / Appeals, Briefs, Courts, Law, Technology

Subscribe to our free newsletters

Our weekly newsletter Closing Arguments offers the latest about ongoing trials, major litigation and rulings in courthouses around the U.S. and the world, while the monthly Under the Lights dishes the legal dirt from Hollywood, sports, Big Tech and the arts.

Loading...