Bartz v. Anthropic, order on fair use (23 June 2025): training was transformative (Bartz v. Anthropic PBC, No. 3:24-cv-05417-WHA (N.D. Cal. June 23, 2025), Dkt. 231, at 13)
Judge Alsup held that training a generative model on lawfully acquired books was a fair use. The ruling binds no other court.
Dated 17 Oct 2026Source checked 17 Oct 2026Basis: primary text
In the source's own words
“In short, the purpose and character of using copyrighted works to train LLMs to generate new text was quintessentially transformative.”
Where it was read
Also read from the same source
- Bartz v. Anthropic: order on fair use (summary judgment)
- Bartz v. Anthropic, order on fair use (23 June 2025): pirated library copies (Bartz v. Anthropic PBC, No. 3:24-cv-05417-WHA (N.D. Cal. June 23, 2025), Dkt. 231, at 19)
- Bartz v. Anthropic, order on fair use (23 June 2025): the market for licensing books for training (Bartz v. Anthropic PBC, No. 3:24-cv-05417-WHA (N.D. Cal. June 23, 2025), Dkt. 231, at 28)
- Bartz v. Anthropic, order on fair use (23 June 2025): the central library (Bartz v. Anthropic PBC, No. 3:24-cv-05417-WHA (N.D. Cal. June 23, 2025), Dkt. 231, at 2)
Figures it counts in
It is shown on its own, not counted into a figure.
Cited in this guide