{"rewrite":{"id":"r_baf8defa044e23b231e5e40b","clusterId":"c_3c2d4960fdc3d4ef306d2340","slug":"sony-music-and-warner-chappell-sue-anthropic-over-claude-training","model":"deepseek-v4-flash","headline":"Sony Music and Warner Chappell Sue Anthropic Over Claude Training","summary":"Sony Music Publishing and Warner Chappell Music filed suit against Anthropic in California federal court, alleging the company used tens of thousands of copyrighted songs to train its Claude AI and reproduced them in generated output. The publishers seek up to $150,000 per willfully infringed work and up to $25,000 per instance of removed copyright management information, with potential damages in the billions. The complaint also names CEO Dario Amodei and co-founder Benjamin Mann.","whyItMatters":"The suit leaves Anthropic facing litigation from every major music publisher, following earlier cases brought by UMPG, Concord, ABKCO, BMG, and Round Hill.","webCardHtml":"\u003cp\u003eThe complaint names specific works, including Mariah Carey\u0026#39;s \u0026#34;All I Want for Christmas Is You,\u0026#34; Survivor\u0026#39;s \u0026#34;Eye of the Tiger,\u0026#34; and Taylor Swift\u0026#39;s \u0026#34;Paper Rings.\u0026#34; The publishers also demand destruction of all infringing copies and an accounting of Claude\u0026#39;s training data.\u003c/p\u003e\u003cp\u003eThe case follows a 2023 suit by UMPG, Concord, and ABKCO over roughly 500 songs, and a 2026 second suit seeking $3 billion over more than 20,000 works. BMG and Round Hill have filed separately, leaving Anthropic in litigation with all major music publishers.\u003c/p\u003e","blueskyPost":"Sony Music Publishing and Warner Chappell are suing Anthropic, alleging tens of thousands of copyrighted songs were used to train Claude. They want up to $150,000 per willfully infringed work and an accounting of training data. Anthropic now faces suits from all major music publishers.","twitterPost":"Sony Music Publishing and Warner Chappell filed suit against Anthropic over Claude training, citing tens of thousands of songs and seeking billions in damages. The case names CEO Dario Amodei. Anthropic now faces litigation from every major music publisher.","threadsPost":null,"newsletterBlurb":"Sony Music Publishing and Warner Chappell sued Anthropic in California federal court, alleging tens of thousands of copyrighted songs were used to train Claude. They seek up to $150,000 per willfully infringed work and an accounting of training data. The suit follows earlier cases by UMPG, Concord, ABKCO, BMG, and Round Hill, leaving Anthropic in litigation with all major music publishers.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20260831-sony-warner-sue-anthropic/\",\"title\":\"ソニーとワーナーが共同でAnthropicを提訴、楽曲をClaudeのトレーニングに利用された「史上最大かつ最も甚だしい知的財産窃盗事件」\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5170,"outputTokens":2246,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1788163407,"createdAt":"2026-08-31T07:57:21.000Z","publishedAt":"2026-08-31T07:57:28.000Z","updatedAt":"2026-08-31T07:57:28.000Z"},"cluster":{"id":"c_3c2d4960fdc3d4ef306d2340","canonicalTitle":"ソニーとワーナーが共同でAnthropicを提訴、楽曲をClaudeのトレーニングに利用された「史上最大かつ最も甚だしい知的財産窃盗事件」","representativeArticleId":"a_40bc604fd925e56e733d6ecb","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-08-31T06:50:00.000Z","lastSeenAt":"2026-08-31T06:50:00.000Z","updatedAt":"2026-08-31T07:57:27.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20260831-sony-warner-sue-anthropic/","title":"ソニーとワーナーが共同でAnthropicを提訴、楽曲をClaudeのトレーニングに利用された「史上最大かつ最も甚だしい知的財産窃盗事件」"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}