Anthropic settles Bartz copyright suit for $1.5B over pirated book library

Anthropic paid $1.5B to settle the Bartz class action because it kept millions of pirated books from LibGen and PiLiMi on its servers. The court had signaled that loading books into GPU memory for training likely qualifies as fair use, but refused to grant pre-trial immunity for the long-term storage of those files. Under U.S. statutory damages, 482,460 works at a minimum of $750 each would exceed $360M; willful infringement could reach $72B. The settlement buys out that specific historical risk—it does not certify the model as compliant, does not cover output infringement, and requires destroying the source files but not the trained weights.

Why it matters: Anthropic's $1.5B Bartz settlement is a landmark AI copyright event. The piece clearly explains the legal distinction between training fair use and server retention infringement—directly useful for practitioners. Score capped here because it's a settlement, not a ruling, so pr...