Anthropic's $1.5 Billion Copyright Settlement: Judge Grants Final Approval for Largest Copyright Recovery in U.S. History

On July 20, 2026, U.S. District Judge Araceli Martínez-Olguín (who took over the case from the now-retired Judge William Alsup) issued final approval of Anthropic's $1.5 billion settlement with authors in Bartz v. Anthropic . The settlement is the largest publicly acknowledged copyright recovery in U.S. history . Below are the key details across each area.

Case Origins

Three authors—Andrea Bartz, Charles Graeber, and Kirk Wallace Johnson—filed a class action lawsuit in August 2024 in the U.S. District Court for the Northern District of California (Case No. 3:24-cv-05417) . They alleged that Anthropic downloaded hundreds of thousands of copyrighted books (nearly 500,000 works) from pirate sites to train its AI chatbot Claude, violating copyright law . Court documents also state that Anthropic purchased physical books, tore off bindings, scanned them, and stored digitized copies for training .

Legal Context and Key Pre-Approval Rulings

In June 2025, Judge Alsup issued a key summary judgment ruling: using books acquired legally to train AI was fair use, but he denied Anthropic's motion for summary judgment on works obtained from pirate sites, allowing those infringement claims to proceed to trial . The parties reached a settlement in late August 2025, avoiding a trial scheduled for December 2025 . Judge Alsup gave preliminary approval in September 2025 . Final approval was initially delayed in May 2026 when Judge Martínez-Olguín requested more detail on attorney fees and lead-plaintiff compensation before signing off . After the fee request was reduced, she granted final approval on July 20, 2026 .

Estimated Payouts Per Work

The per-work payout decreased significantly as the claims rate surged well above initial estimates.

Stage	Claims rate (works)	Payout per work
Initial estimate (March 2026)	~54% (264,809 of ~482,460 works)	~$4,876
Final claims rate (May 2026 hearing)	92.77% (447,576 of ~482,460 works)	Roughly $3,000

The initial payout projection of about $4,876 per work was based on a much lower expected claims rate. Because over 92% of eligible works were ultimately claimed, the same $1.5 billion fund was spread across far more works, reducing each payout to approximately $3,000 per work .

Opt-Out Rate

The opt-out numbers were remarkably low compared to typical class actions (where claims rates are often around 10%):

• 350 valid opt-outs covering 1,802 works .
• At the final fairness hearing in May 2026, the court noted the opt-out rate was less than 0.5% of the works list .
• A small group of 28 authors who opted out later filed their own separate copyright lawsuit against Anthropic (Cruz v. Anthropic) in May 2026 .

Attorney Fees

Attorney fees were a major flashpoint that delayed final approval:

• The original fee request was $300 million (20% of the settlement fund) .
• After Judge Martínez-Olguín and her predecessor Judge Alsup criticized the high fee demand, class counsel slashed the request to $187.5 million (12.5% of the $1.5 billion fund) .
• An additional request by three other law firms for $75 million for administrative work also drew judicial ire .

The final approved fee structure remains $187.5 million (12.5%) for lead counsel, representing a roughly $112.5 million reduction from the original ask .