# BMG Sues Anthropic Over Claude Training With 493 Alleged Copyright Violations

- slug: bmg-sues-anthropic-over-claude-training-with-493-alleged-copyright-violations
- date: 2026-03-19
- category: Artificial Intelligence

BMG filed a lawsuit against Anthropic in California federal court Tuesday, alleging the AI company used copyrighted song lyrics — from Bruno Mars, the Rolling Stones, Ariana Grande, and Justin Bieber among others — to train its Claude chatbot without authorization.

---