Active Last verified: Apr 25, 2026

Anthropic PBC v. United States Department of War

Anthropic PBC sued the United States Department of War and Secretary Peter Hegseth in the D.C. Circuit, claiming the Department's designation of Anthropic as a supply-chain risk to national security was unlawful retaliation for refusing to remove safety limits on its Claude AI model that barred lethal autonomous warfare and mass surveillance of Americans.[1][2][5] The petition for review, filed March 9, 2026, challenges the determination under the Federal Acquisition Supply Chain Security Act of 2018 (41 U.S.C. § 4713), alleging violations of the Administrative Procedure Act, First Amendment, Fifth Amendment due process, and the Bill of Attainder Clause; Anthropic sought and was denied a stay pending review.[1][5] The case stems from the Department's February 2026 directive canceling contr

🏛️ D.C. Cir.· Case No. 26-1049· Filed Mar 9, 2026

Summary

Anthropic PBC sued the United States Department of War and Secretary Peter Hegseth in the D.C. Circuit, claiming the Department's designation of Anthropic as a supply-chain risk to national security was unlawful retaliation for refusing to remove safety limits on its Claude AI model that barred lethal autonomous warfare and mass surveillance of Americans.[1][2][5] The petition for review, filed March 9, 2026, challenges the determination under the Federal Acquisition Supply Chain Security Act of 2018 (41 U.S.C. § 4713), alleging violations of the Administrative Procedure Act, First Amendment, Fifth Amendment due process, and the Bill of Attainder Clause; Anthropic sought and was denied a stay pending review.[1][5] The case stems from the Department's February 2026 directive canceling contr

Case details

Court
D.C. Cir.
Docket number
26-1049
Filed
Mar 9, 2026
Status
Active

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