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Jan. 30, 2026

Music publishers sue Anthropic again, claim AI trained on more pirated works

Music publishers allege Anthropic trained its Claude AI model using pirated lyrics and sheet music, reviving copyright claims after a prior lawsuit and a landmark federal ruling on AI training and fair use.

Music publishing giant Universal filed a second lawsuit against Anthropic in just over two years, this time alleging the tech company not only used copyrighted works to train its AI model, but pirated those works in the process.

Universal Music Corp., along with Concord Music Group, ABKCO Music and Capitol Christian Music Group, sued Anthropic Wednesday over claims it used their works to train its AI model, Claude.

"Anthropic's extensive use of Publishers' wo...

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