Summary
Authors Andrea Bartz, Charles Graeber, and Kirk Wallace Johnson, et al., sued Anthropic PBC alleging copyright infringement from downloading and using pirated e-books from shadow libraries like LibGen to train Claude AI models.[1][2][4] The case proceeded under the Copyright Act in N.D. Cal. (3:24-cv-05417), with Judge Alsup's June 2025 partial summary judgment ruling fair use for lawfully acquired books but infringement for pirated copies retained in a central library, followed by class certification and a proposed $1.5 billion class-wide settlement filed August 2025.[1][2][6] The settlement, described as the largest U.S. copyright payout, covers past acquisition and use of identified pirated works representing nearly half a million titles and averts a trial on damages potentially exceedi
Case details
- Court
- 9th Cir.
- Docket number
- 25-4843
- Filed
- Aug 1, 2025
- Status
- Active
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