The damages are computable and barely move the valuation; what can move the IPO is the offering window, a destruction order and the founders' personal liability. Taking the books case as reference ($1.5 billion settlement, 482460 works, $3109 per work), the same ratio applied to the music side comes to about two ten-thousandths of Anthropic's $965 billion post-money valuation.
The mainstream sizes exposure from the damages figure. The diary starts from the offering calendar: the public S-1 must be disclosed at least 15 days before the roadshow, and an unquantifiable contingent liability inside that countdown moves the offering window and the price range. As of 9/25 the public S-1 had not been filed, and the publicly stated reason for the delay is third-quarter financials. The diary's own note says the books case and the music case are not comparable.
On 2026-08-28, 35 Sony and Warner publishing entities sued Anthropic, naming its two founders as individual defendants. Bartz books case: $1.5 billion settlement, 482460 works, $3109 per work, only 2.07% of the statutory maximum; $3109 is gross and is a price negotiated after liability was established, while liability in this case is not yet established. WSJ on 9/18 (as relayed by Investing.com) reported the listing target moved to November, with people familiar saying it was unrelated to the litigation.
For investors: watch the order of the public S-1 filing date versus the settlement date, and check whether the risk factors section lists this litigation; the destruction order and founders' personal liability are not priced per work, so estimate them separately. For founders: proof of training-data procurement is now part of the fundraising materials, not a legal-department matter.