September 20, 2026

Sony and Warner Chappell Sue Anthropic Over Claude Lyric Training

Major music publishers have filed a copyright lawsuit against Anthropic over the alleged use of copyrighted song lyrics to train its Claude AI models.
Sony and Warner Chappell Sue Anthropic Over Claude Lyric Training

Major music publishers Sony and Warner Chappell have filed a copyright infringement lawsuit against artificial intelligence developer Anthropic, according to a report by Unite.ai. The legal action centers on accusations that Anthropic utilized copyrighted song lyrics without authorization to train its Claude family of large language models.

The lawsuit highlights ongoing tensions between intellectual property holders and generative artificial intelligence companies regarding the ingestion of copyrighted text and creative works for model training. Music publishers argue that reproducing and processing lyrics without licensing agreements constitutes unauthorized commercial exploitation. Anthropic has not yet issued a detailed public defense addressing the specific claims made in the new legal filing.

As artificial intelligence tools become more deeply embedded in commercial workflows, legal battles involving model training data continue to multiply across the technology and media sectors. Publishers and creators are increasingly demanding strict licensing frameworks and compensation mechanisms from platform developers, setting up critical legal precedents for the generative AI industry.

Based on reporting by www.unite.ai.

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