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The LeadElite Wall Street law firm Sullivan & Cromwell has acknowledged that artificial intelligence hallucinations caused significant errors in a major court filing, leading to inaccurate citations and misquoted legal codes in a high-profile case involving Prince Group.The AI-Induced Legal ErrorsThe errors, discovered by rival firm Boies Schiller Flexner (BSF), included misquoting the US bankruptcy code and incorrectly citing cases in a filing made on April 9. In multiple instances, Sullivan & Cromwell filed inaccurately summarized conclusions from other cases generated by AI tools.The Firm's ResponseAndrew Dietderich, co-head of Sullivan & Cromwell's global restructuring group, apologized to the New York federal court judge Martin Glenn, stating "We deeply regret that this has occurred." The firm filed a corrected version of the document and maintained they have comprehensive policies governing AI use in legal work, though these were not followed in this instance.Legal and Professional ImplicationsThe incident raises serious questions about the integration of AI in legal practice and the ethical responsibilities of law firms. While lawyers are not prohibited from using AI, they are ethically bound to ensure the accuracy of court submissions. The failure of both the initial AI-generated content and the secondary review process to catch these errors highlights potential vulnerabilities in AI-assisted legal workflows.The Broader Context: The Prince Group CaseThe filing errors occurred in Sullivan & Cromwell's representation of liquidators appointed by legal authorities in the British Virgin Islands who are engaged in actions against Prince Group, owned by Chinese-born businessman Chen Zhi. Last year, US prosecutors charged Chen with wire fraud and money laundering, alleging he directed "Prince Group's operation of forced-labour scam compounds across Cambodia" that stole billions from victims globally.