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Sony Music and Warner Chappell are suing Anthropic

Sony Music Publishing and Warner Chappell Music have sued Anthropic, alleging the AI company used tens of thousands of copyrighted musical compositions without authorization to train its Claude AI tools. The publishers seek damages of up to $150,000 per work. Anthropic has rejected the allegations, saying it will defend itself in court.

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What changed

The lawsuit was filed on August 28 in the US District Court for the Northern District of California, with Anthropic co-founders Dario Amodei and Benjamin Mann named as individual defendants.

Live updates

  1. Sony Music and Warner Chappell sue Anthropic over copyright infringement

    Sony Music Publishing and Warner Chappell Music have sued Anthropic, alleging the AI company used tens of thousands of copyrighted musical compositions without authorization to train its Claude AI tools. The publishers seek damages of up to $150,000 per work. Anthropic has rejected the allegations, saying it will defend itself in court.

    Why it matters

    This lawsuit is part of a growing trend of music publishers and record labels taking action against AI companies they accuse of using copyrighted material without permission. The outcome of this case could have significant implications for the music industry and the development of AI technology.

    What is confirmed

    • Sony Music Publishing and Warner Chappell Music have sued Anthropic for allegedly using copyrighted music to train its AI model, Claude, without authorization.
    • The publishers are seeking up to $150,000 per composition in damages.
    • Anthropic co-founders Dario Amodei and Benjamin Mann have been named as individual defendants in the lawsuit.
    • The lawsuit was filed on August 28 in the US District Court for the Northern District of California.

    Still unconfirmed

    • The alleged conduct has been described as "one of the largest and most blatant ongoing thefts of intellectual property in history".

    What to watch next

    • The response from Anthropic in court
    • Any developments in the US District Court for the Northern District of California
    • The impact on the music industry and AI development
    Sources used for this update (9)
    1. finance.yahoo.com — Sony Music, Warner Chappell sue Anthropic over Claude AI training
    2. faroutmagazine.co.uk — Sony Music and Warner sue Anthropic for intellectual property theft
    3. brandequity.economictimes.indiatimes.com — Sony Music Publishing and Warner Chappell Sue Anthropic Over Alleged Mass Copyright Infringement
    4. www.aol.com — Sony, Warner Music sue Anthropic over songs used in AI training
    5. www.outlookbusiness.com — Sony Music, Warner Chappell Sue Anthropic Over Copyright Theft By Claude AI
    6. www.adgully.com — Sony Music & Warner Chappell sue Anthropic over alleged mass copyright theft
    7. finance.yahoo.com — Sony and Warner Music sue Anthropic over alleged theft of ‘tens of thousands’ of songs, including ‘I Am the Walrus’ and ‘Hallelujah’
    8. www.socialsamosa.com — Sony Music Publishing & Warner Chappell sue Anthropic over alleged copyright infringement
    9. www.billboard.com — Sony & Warner Sue Anthropic in Latest AI Music Lawsuit: ‘Illegally Harvested to Fuel Claude’
    confidence 100%

  2. Sony Music and Warner Chappell sue Anthropic for copyright infringement

    Sony Music Publishing and Warner Chappell Music have sued Anthropic, alleging the AI company used tens of thousands of copyrighted musical compositions without authorization to train its Claude AI tools. The publishers seek damages of up to $150,000 per work. Anthropic has rejected the allegations, saying it will defend itself in court.

    Why it matters

    This lawsuit is part of a growing trend of legal challenges faced by AI companies over their use of copyrighted materials. The case raises questions about the use of intellectual property in AI development and the need for clearer regulations. Music publishers are concerned about the potential loss of revenue and control over their work.

    What is confirmed

    • Sony Music Publishing and Warner Chappell Music have sued Anthropic for copyright infringement.
    • The lawsuit claims tens of thousands of copyrighted musical compositions were used without authorization to train Anthropic's Claude AI tools.
    • The publishers seek damages of up to $150,000 per work.
    • Anthropic has rejected the allegations and said it will defend itself in court.

    What to watch next

    • The court's decision on the lawsuit
    • Any response from other music publishers or AI companies
    • The impact on AI development and copyright regulations
    Sources used for this update (6)
    1. economictimes.indiatimes.com — Sony Music, Warner Chappell, others sue Anthropic over copyright infringement
    2. sea.mashable.com — Sony Music, Warner sue Anthropic, alleging copyright infringement
    3. biz.heraldcorp.com — Sony, Warner Music sue Anthropic over unauthorized AI training on song lyrics
    4. news.sbs.co.kr — Sony Music and Others Sue Anthropic for Unauthorized Use of Mariah Carey and Taylor Swift Songs in AI Training
    5. www.mediapost.com — Music Publishers Sue Anthropic For Alleged Scraping Of Works
    6. www.newsbytesapp.com — Why Anthropic has been sued by Sony Music, Warner Chappell
    confidence 100%

  3. Sony Music and Warner Chappell sue Anthropic for copyright infringement

    Sony Music Publishing and Warner Chappell Music have sued Anthropic, alleging mass copyright infringement to train the company's Claude AI tools. The lawsuit claims tens of thousands of copyrighted musical compositions were copied. Sony and Warner seek damages, accusing Anthropic of 'blatant theft' and 'one of the largest and most blatant ongoing thefts of intellectual property in history'.

    Why it matters

    This lawsuit is significant as it highlights the growing concern over intellectual property rights in the AI industry. The case may set a precedent for how AI companies use copyrighted materials for training their models. Anthropic's Claude AI tools have been trained on a large dataset, which may include copyrighted song lyrics. The lawsuit is part of a broader debate over AI and copyright law.

    What is confirmed

    • Sony Music Publishing and Warner Chappell Music sued Anthropic and two of its co-founders on August 28, 2026.
    • The lawsuit alleges tens of thousands of copyrighted musical compositions were copied to train Anthropic's Claude AI tools.
    • Sony and Warner accuse Anthropic of 'blatant theft' and 'one of the largest and most blatant ongoing thefts of intellectual property in history'.
    • A Munich court ruled in 2025 that memorising lyrics is reproduction.

    What to watch next

    • The court's decision on the lawsuit
    • Anthropic's response to the allegations
    • The impact of the lawsuit on AI companies' use of copyrighted materials
    Sources used for this update (10)
    1. Axios — Music publishers sue Anthropic, allege "blantant theft" of copyrighted music
    2. TechCrunch — Sony Music, Warner sue Anthropic, alleging a "brazen campaign" of intellectual property theft
    3. Engadget — Sony And Warner Sue Anthropic For 'Blatant Violation' Of Copyright Law
    4. The Verge — Sony Music and Warner Chappell are suing Anthropic
    5. Yahoo — Top Music Publishers Sue AI Company Fresh Off $1.5 Billion Settlement for ‘Blatant Theft’
    6. www.unite.ai — Sony and Warner Chappell Sue Anthropic Over Claude Lyric Training
    7. www.theverge.com — Sony Music and Warner Chappell are suing Anthropic
    8. tbreak.com — Sony Music Publishing and Warner Chappell sue Anthropic over AI training
    9. www.thenews.com.pk — Sony and Warner Chappell sue Anthropic over copyrighted songs used in AI training
    10. thenextweb.com — Sony Music and Warner Chappell sue Anthropic over song lyrics in Claude’s training data
    confidence 100%