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10 cases for “lawyer cited cases that do not exist”

  1. Case 0434Brief Psychotic DisorderModerateGood match

    Twenty-Four Cases That Don't Exist

    In an appeal before the Sixth Circuit, briefs filed on behalf of the appellants cited more than two dozen court cases that do not exist, along with quoted language that didn't appear in the real cases they were attached...

  2. Case 0489Brief Psychotic DisorderSignificantGood match

    Fifteen Cases for a Winery Dispute

    In briefing cross-motions for summary judgment in a family dispute over a winery, attorneys filed three briefs to a federal court in Oregon that together contained 15 references to nonexistent court cases and eight...

  3. Case 0452Brief Psychotic DisorderSignificantGood match

    Fictional Witnesses in a Murder Appeal

    A defense attorney handling a murder-conviction appeal fed a case transcript and related materials to ChatGPT and asked for a summary to help draft his brief. The summary that came back described police testimony and...

  4. Case 0446Brief Psychotic DisorderSignificantGood match

    Fifty-Seven of Sixty-Three

    An attorney used an AI tool to help draft an appellate brief in a divorce case before Nebraska's highest court. Of the 63 case citations and legal references in the filing, 57 turned out to be defective, including...

  5. Case 0528Brief Psychotic DisorderModeratePossible match

    Forty-Five Citations, Five Correct

    A professional services firm published a report on agentic AI, produced with AI assistance, that contained 45 citations. A forensic review found that only 5 of those citations correctly matched their claimed sources...

  6. Case 0486Delusional DisorderMinorPossible match

    The Movie That Wasn't Actually There

    A multi-agent team was asked how many of Box Office Mojo's top 10 worldwide-grossing movies of 2020 also appeared on the top 10 domestic-grossing list. A WebSurfer agent correctly retrieved both lists. When the...

  7. Case 0527Brief Psychotic DisorderMinorPossible match

    A Confident Answer Before the Evidence

    A multi-agent team was tasked with finding a specific word that had been deleted in the most recent amendment to a particular rule on Cornell Law School's Legal Information Institute website. The team successfully...

  8. Case 0466Brief Psychotic DisorderModeratePossible match

    The Quote He Never Said

    A reporter used an AI tool to locate recent public remarks by a Canadian federal opposition leader for a piece on the sitting government. The tool returned video links along with what it presented as a transcript, and...

  9. Case 0437Brief Psychotic DisorderSignificantPossible match

    The Referral That Was Never Made

    Ontario's auditor general reviewed AI-powered medical transcription tools that had been approved for use by doctors across the province. The audit found that most of the approved tools produced clinical notes containing...

  10. Case 0408Delusional DisorderSignificantPossible match

    Legal Advice, Beta Disclaimer Included

    A city government's official chatbot, built to help small business owners navigate local regulations, was asked a series of plain factual questions about labor and housing law. It said employers could take a cut of...