AAP, News/Media Alliance, STM, and Authors Guild jointly backed the music publishers in Concord v. Anthropic, arguing that commercial AI training on copyrighted works harms both direct content markets and established licensing channels. The brief leans heavily on factor-four market harm and on emerging evidence around memorization and output substitution.
That coalition is notable because it spans books, news, and scholarly publishing rather than one silo. It signals a converging legal strategy: defend the licensing layer as core infrastructure for both creative sustainability and safer AI product development.
(Shortened and summarised to avoid devaluing the source)