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Judges Are Fed Up With Lawyers Using AI That Hallucinate Court Cases


An anonymous reader quotes a report from 404 Media: After a group of attorneys were caught using AI to cite cases that didn't actually exist in court documents last month, another lawyer was told to pay $15,000 for his own AI hallucinations that showed up in several briefs. Attorney Rafael Ramirez, ...

Attorney Rafael Ramirez, who represented a company called HoosierVac in an ongoing case where the Mid Central Operating Engineers Health and Welfare Fund claims the company is failing to allow the union a full audit of its books and records, filed a brief in October 2024 that cited a case the judge wasn't able to locate. In February, U.S. District Judge Kelly demanded they explain why they shouldn't be sanctioned for referencing eight non-existent cases. The attorneys contritely admitted to using AI to generate the cases without catching the errors, and called it a "cautionary tale" for the rest of the legal world.

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