Key holding or allegation
Complaint allegations only; no merits ruling.
Why it matters
New music-publisher action against Anthropic and two individual defendants, complementing existing author and lyric-publisher litigation.
Facts
Sony, Warner Chappell and affiliated music publishers allege Anthropic acquired compositions and lyrics through torrenting, scraping and downloading, used them in Claude training and produced infringing lyric outputs while removing CMI.
Issues before the court
Whether acquisition, training and outputs infringe and whether CMI theories are established.
What the court did not decide
All merits issues, defenses and remedies.
Procedural timeline
U.S. District Court for the Northern District of California
Complaint filed: Music publishers filed claims alleging unlawful acquisition and use of compositions/lyrics for Claude training, infringing outputs and CMI removal.