David Kluft

#LegalEthics Tidbit: #AI hallucinations travel in packs so check the whole brief

Firm A and Firm B were co-counsel to plaintiff in a CA civil litigation. Firm A used #GenerativeArtificialIntelligence for legal research and shipped it over to Firm B without telling them about the #ArtificialIntelligence use. Firm B incorporated the research into a brief without checking the citations. The judge noticed two hallucinated citations and told Firm B ... (cont.)

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Aug 28, 2025 at 12:02pmWeb
Show threadDavid KluftAug 28, 2025
... The Firm B lawyers resubmitted the brief without those 2 citations, but they didn't check the rest of the document, so what they submitted still contained hallucinations s that the judge later noticed. The Court acknowledged that the lawyers had “profusely apologized” but found both firms acted recklessly and sanctioned them by striking their brief, denying the relief they were seeking, making them pay $26k in costs to the court, and $5k in attorneys’ fees to opposing counsel.