Sony and Warner sue Anthropic over mass copyright infringement for Claude training

索尼与华纳起诉Anthropic，指控其大规模盗用版权音乐训练Claude

Sony Music, Warner Music, and other publishers sued Anthropic in California federal court, naming CEO Dario Amodei and co-founder Benjamin Mann as individual defendants. The complaint alleges they directed employees to torrent tens of thousands of copyrighted song lyrics and sheet music to train Claude, calling it 'one of the largest and most blatant ongoing thefts of intellectual property in history.' Plaintiffs seek up to $150,000 per infringed work. Anthropic already paid a $1.5 billion settlement in September 2025 over pirated books; this lawsuit targets the same weak spot—illegal acquisition of training data. The complaint also challenges Anthropic's use of synthetic data generated by a model trained on pirated content. The post does not include Anthropic's response.

Why it matters: Top music publishers suing Anthropic, with the CEO and co-founder named personally, alleging direct BitTorrent use ordered by the CEO. The conflict level, defendant tier, and specificity push this into must-write territory. Not scoring higher because only the plaintiffs' filin...