Anthropic seeks rehearing of case over Pentagon's security risk branding


FILE PHOTO: People visit an Anthropic booth at Moscone Center during the Dreamforce 2026 technology summit in San Francisco, California, US, September 17, 2026. REUTERS/Carlos Barria/File Photo

Oct 13 (Reuters) - Anthropic asked ⁠a US appeals court on Tuesday to reconsider a ⁠ruling that upheld the Pentagon's decision to label the AI ‌company as a national security supply chain risk over a dispute about safety guardrails on its technology.

• A federal appeals court in September upheld the designation ​in a 2-1 decision, agreeing with the ⁠Pentagon that the firm's safety ⁠restrictions could compromise military operations. The Pentagon's blacklisting of the company ⁠has ‌cost it billions of dollars in lost business, Anthropic has said.

• The court's majority said the Pentagon acted reasonably ⁠after Anthropic refused to allow its AI to ​be used in ‌autonomous weapons or mass surveillance, and the court rejected the ⁠firm's claim ​that it faced retaliation by the Defense Department over its views on AI safety.

• In its petition on Tuesday to the US Court of ⁠Appeals in Washington, DC, for a ​rehearing, Anthropic argued that the panel majority misinterpreted and transformed a federal law "aimed at hostile foreign actors into one that presumptively reaches every ⁠government contractor."

• The court let the Pentagon take action against Anthropic "without any pre-designation process and despite straightforward evidence the designation was retaliation for Anthropic's speech about AI safety," the company said.

• In a ​separate lawsuit in August, a federal judge ⁠in California struck down a parallel designation under a different law.

• ​Anthropic CEO Dario Amodei has called for ‌regulation covering all US frontier AI ​companies, while the Trump administration has favored a pro-growth approach.

(Reporting by Rishabh Jaiswal in Bengaluru; Editing by Cynthia Osterman)

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