Sony and Warner Sue Anthropic Over "Massive IP Theft"

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Sony Music and Warner Chappell sued Anthropic, its CEO, and co-founder for allegedly using copyrighted songs without permission to train AI models. The lawsuit claims Anthropic obtained lyrics and sheet music from unauthorized sources and incorporated them into its Claude AI. Sony and Warner seek up to $150,000 in damages per song and $25,000 for each instance of removed copyright information. Anthropic denies the allegations and plans to defend itself in court.

Sony Music Publishing and Warner Chappell Music sued Anthropic, alleging the AI company stole tens of thousands of copyrighted songs to train its chatbot, Claude. The publishers seek up to $150,000 per infringed work, potentially totaling billions. Anthropic faces similar lawsuits from other publishers and previously settled for $1.5 billion. The company is reportedly valued at $2 trillion ahead of an IPO.

Sony Music and Warner Chappell Music sued AI company Anthropic, alleging unauthorized use of song lyrics and sheet music for training models. The lawsuit, filed in California, names Anthropic, CEO Dario Amodei, and co-founder Benjamin Mann as defendants. The labels claim thousands of songs, including works by Mariah Carey and Taylor Swift, were used without permission, seeking up to $150,000 in damages per song. Anthropic disputes the claims and plans to defend itself in court.

Sony Music Publishing and Warner Chappell Music sued Anthropic, accusing it of copyright infringement by using their music to train AI models. The lawsuit, filed in California, seeks $150,000 per work and $25,000 per violation, potentially totaling billions. Anthropic's CEO and cofounder are also named. The companies cite a prior $1.5 billion settlement with book publishers.

Sony Music Publishing and Warner Chappell sued Anthropic, alleging illegal acquisition of copyrighted material for AI training. The complaint seeks up to $150,000 per infringed work. Anthropic denies the allegations and plans to defend itself. The lawsuit comes as Anthropic prepares for a potential IPO, with a confidential S-1 filed in June 2026.