What happened
BMG Rights Management has filed a lawsuit against AI firm Anthropic in a California federal court, alleging the company used copyrighted song lyrics from artists including Bruno Mars, Ariana Grande, Justin Bieber, and The Rolling Stones to train its Claude chatbot without permission. The complaint details 493 alleged copyright violations, claiming Anthropic sourced lyrics from "shadow libraries" and torrent sites, then ignored a cease-and-desist letter sent in December 2025. BMG seeks up to $150,000 in damages for each infringed work.
Why it matters
This legal action intensifies financial and operational risks for AI developers, establishing a significant metric for intellectual property infringement in AI model training. Statutory damages, potentially over $70 million in this case, highlight the cost of non-compliant data sourcing. Procurement teams and legal architects must prioritise verifiable licensing for training datasets. This follows an NPR host's lawsuit against Google for alleged voice replication. Teams should assume all publicly available data carries potential copyright liabilities and implement rigorous due diligence for training material.
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