{"id":6911,"date":"2026-08-31T12:40:03","date_gmt":"2026-08-31T10:40:03","guid":{"rendered":"https:\/\/wazup-intech.com\/?p=6911"},"modified":"2026-08-31T12:40:04","modified_gmt":"2026-08-31T10:40:04","slug":"sony-warner-anthropic-claude-pirated-works","status":"publish","type":"post","link":"https:\/\/wazup-intech.com\/us\/sony-warner-anthropic-claude-pirated-works\/","title":{"rendered":"Sony and Warner accuse Anthropic of having trained Claude with pirated works"},"content":{"rendered":"<p><strong>Sony Music Publishing, Warner Chappell and several other music publishers have filed a lawsuit against Anthropic, accusing them of using illegally obtained works to train Claude.<\/strong> The case, brought before a California federal court, could become a major new test for copyright in the age of artificial intelligence.<\/p>\n<h2>Key points to remember<\/h2>\n<ul>\n<li><strong>The complaint was filed on August 28, 2026<\/strong> before the federal court for the Northern District of California.<\/li>\n<li><strong>Sony Music Publishing, Warner Chappell and numerous other publishers<\/strong> are among the plaintiffs.<\/li>\n<li><strong>The publishers accuse Anthropic of illegally downloading, extracting, and exploiting copyrighted works.<\/strong> to develop the Claude models.<\/li>\n<li><strong>These claims are legal accusations, not facts established by a judgment.<\/strong><\/li>\n<li><strong>Anthropic disputes the allegations<\/strong> and announces his intention to defend himself in court.<\/li>\n<\/ul>\n<h2>A new legal offensive against Anthropic<\/h2>\n<p>The conflict between the cultural industry and artificial intelligence laboratories has just entered a new phase. <a href=\"https:\/\/dockets.justia.com\/docket\/california\/candce\/5:2026cv09217\/477477\" rel=\"noopener\" target=\"_blank\">federal court register<\/a> confirms that a complaint was filed on August 28 by Sony Music Publishing, Warner Chappell and several dozen companies owning or administering music rights.<\/p>\n<p>The lawsuit targets Anthropic, as well as Dario Amodei and Benjamin Mann, two of its co-founders. The plaintiffs allege that the company built some of its Claude models using copyrighted content obtained without authorization.<\/p>\n<p>According to the information reported by <a href=\"https:\/\/techcrunch.com\/2026\/08\/29\/sony-music-warner-sue-anthropic-alleging-a-brazen-campaign-of-intellectual-property-theft\/\" rel=\"noopener\" target=\"_blank\">TechCrunch<\/a>, The complaint describes a campaign of downloading, automated extraction, and copying of copyrighted works via file-sharing networks. It alleges, in particular, that books containing lyrics and sheet music were used to train the models.<\/p>\n<p><strong>At this stage, these claims remain those of the plaintiffs.<\/strong> The justice system has not yet determined whether Anthropic committed the alleged offenses in this new case.<\/p>\n<h2>What Sony and Warner criticize the creator of Claude for<\/h2>\n<p>The heart of the matter doesn&#039;t solely concern Claude&#039;s ability to produce or reproduce lyrics. The publishers are also challenging how the training data was allegedly obtained.<\/p>\n<p>This distinction is essential. The legal debate on generative AI involves at least two different questions: can a laboratory use a copyrighted work to train a model, and does it have the right to retrieve this work from a pirated or unauthorized source?<\/p>\n<p>The plaintiffs claim that Anthropic circumvented the legal market for copyrighted works by using pirated copies. However, they will have to establish precisely which works were used, how they were acquired, and what role they played in the design of the Claude models.<\/p>\n<h2>Anthropic rejects the accusations<\/h2>\n<p>Anthropic sent a response to TechCrunch in which the company states that it disagrees with the publishers&#039; claims and announces that it intends to defend itself vigorously in court.<\/p>\n<p>This position is important: the complaint does not constitute a conviction. The case will have to go through the various stages of American legal procedure, including the presentation of evidence, Anthropic&#039;s responses, and the potential decisions of the court.<\/p>\n<p>It will also be necessary to monitor whether the parties choose to negotiate an agreement or proceed to a decision that could set a precedent for the entire sector.<\/p>\n<h2>A precedent of $1.5 billion on books<\/h2>\n<p>This new case comes after another major case concerning the data used by Anthropic. In July, a judge approved a <a href=\"https:\/\/apnews.com\/article\/ai-anthropic-copyright-settlement-claude-books-bartz-74b140444023898aeba8579b6e9f0d63\" rel=\"noopener\" target=\"_blank\">$1.5 billion deal<\/a> covering more than 482,000 books, pirated copies of which had been used for Claude&#039;s training.<\/p>\n<p>In the previous case, the court made a crucial distinction. Using books to train an AI system was deemed to fall under &quot;fair use,&quot; the American exception to copyright law. However, acquiring millions of books from pirate libraries was ruled illegal.<\/p>\n<p>Sony and Warner&#039;s new legal action seeks precisely to exploit this fault line: even if training a model can, in certain circumstances, be considered transformative, this does not automatically legalize obtaining its data.<\/p>\n<h2>Why song lyrics are a particularly sensitive subject<\/h2>\n<p>A song encompasses several categories of rights: composition, lyrics, performance, and recording. In this case, the plaintiffs are primarily publishers, responsible for managing the rights related to compositions and lyrics, and not simply music streaming platforms.<\/p>\n<p>Lyrics are also relatively short works. Reproducing a few sentences can therefore represent a significant portion of the original text, making legal analysis different from that of a book summary or a massive set of factual data.<\/p>\n<p>Publishers also fear that models capable of generating texts similar to existing works will directly compete with authors and the catalogues whose rights they manage.<\/p>\n<h2>A battle that concerns the entire AI economy<\/h2>\n<p>The performance of the models depends largely on the quantity and quality of the data used during their training. However, laboratories often remain discreet about the exact composition of these datasets, citing industrial confidentiality and the difficulty of tracing billions of documents.<\/p>\n<p>Creators and their representatives, on the other hand, are demanding greater transparency, takedown mechanisms, and, in many cases, compensation or licensing. AI companies fear that a work-by-work licensing system will significantly slow research and concentrate the market in the hands of groups able to pay for the largest catalogs.<\/p>\n<p>The future balance could involve collective agreements, licensed databases, and technical tools to identify the origin of content. But court decisions will be crucial in determining what constitutes authorized innovation and what constitutes illegal exploitation.<\/p>\n<h2>What this case could change for Claude and other AIs<\/h2>\n<p>If the publishers succeed in proving their claims, Anthropic could face significant financial damages, transparency obligations, and further restrictions on its training data. An unfavorable ruling could also encourage other rights holders to initiate similar legal proceedings.<\/p>\n<p>Conversely, a victory for Anthropic could bolster laboratories that advocate a broad interpretation of &quot;fair use&quot; for model training, provided that the data was obtained legally.<\/p>\n<p><strong>The stakes therefore go beyond Claude, Sony and Warner: this procedure could help determine the price, rules and limits of the raw material that feeds artificial intelligence.<\/strong><\/p>\n<h2>Sources<\/h2>\n<ul>\n<li><a href=\"https:\/\/dockets.justia.com\/docket\/california\/candce\/5:2026cv09217\/477477\" rel=\"noopener\" target=\"_blank\">Court records \u2014 Sony Music Publishing and others v. Anthropic, filed August 28, 2026<\/a><\/li>\n<li><a href=\"https:\/\/techcrunch.com\/2026\/08\/29\/sony-music-warner-sue-anthropic-alleging-a-brazen-campaign-of-intellectual-property-theft\/\" rel=\"noopener\" target=\"_blank\">TechCrunch \u2013 complaint from Sony Music Publishing and Warner Chappell<\/a><\/li>\n<li><a href=\"https:\/\/apnews.com\/article\/ai-anthropic-copyright-settlement-claude-books-bartz-74b140444023898aeba8579b6e9f0d63\" rel=\"noopener\" target=\"_blank\">Associated Press \u2014 $1.5 billion settlement in book case<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Sony Music Publishing and Warner Chappell accuse Anthropic of using illegally obtained works to train Claude. Analysis of the...<\/p>","protected":false},"author":5,"featured_media":6917,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,4],"tags":[75,76,78,77,79],"class_list":["post-6911","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actus","category-intelligence-artificielle","tag-anthropic","tag-claude","tag-droit-dauteur","tag-sony-music-publishing","tag-warner-chappell"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Sony Music Publishing et Warner Chappell accusent Anthropic d\u2019avoir utilis\u00e9 des \u0153uvres obtenues ill\u00e9galement pour entra\u00eener Claude. 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