A lawyer representing Anthropic admitted to using an erroneous citation created by the company's Claude AI chatbot in its ongoing legal battle with music publishers, according to a filing made in a Northern California court on Thursday. Claude hallucinated the citation with 'an inaccurate title and inaccurate authors,' Anthropic says in the filing, first reported by Bloomberg. Anthropic's lawyers explain that their 'manual citation check' did not catch it, nor several other errors that were caused by Claude's hallucinations. Earlier this week, lawyers representing Universal Music Group and other music publishers accused Anthropic's expert witness ' one of the company's employees, Olivia Chen ' of using Claude to cite fake articles in her testimony. Federal judge, Susan van Keulen, then ordered Anthropic to respond to these allegations. This is the latest instance of lawyers using AI in court and then regretting the decision. Earlier this week, a California judge slammed a pair of...
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