Has Anthropic confirmed it?

No. Anthropic has not confirmed it as of Oct 28.

Did Anthropic train Claude on Stanford professors’ books, and are some professors pursuing Cruz v. Anthropic?

UnconfirmedLast checked Oct 28, 2026

AnthropicFirst seen Oct 27

Stanford Daily campus report on Bartz ruling fallout and Cruz v. Anthropic; court filings not re-opened in this run.

Evidence timeline · 1 source · newest first

Oct 27
Unconfirmed
The Stanford Daily reports that a May 2026 federal ruling in Bartz v. Anthropic found Anthropic had pirated books—including works by Stanford professors—to train Claude, and that professors Tobias Wolff and Chang-rae Lee opted out of the $1.5B class settlement to pursue Cruz v. Anthropic seeking higher statutory damages.
Source: Hacker News

Quick answers

Has Anthropic confirmed it?: No. Anthropic has not confirmed it as of Oct 28.

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