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The ruling gives the government four weeks to compile records, as the administration signals a potential thaw with the AI firm amid the ongoing legal fight.

The Pentagon, the headquarters for the U.S. Department of Defense, is seen from the air, Sept. 20, 2025, in Arlington, Va. | Alex Brandon/AP Photo

A federal judge in California has denied the government’s request to pause its appeal of a March ruling that temporarily blocked the Pentagon from labeling Anthropic as a supply chain risk.

Justice Department lawyers argued earlier this week that the appeal should be put on hold until judges at the D.C. Circuit Court of Appeals hand down a ruling in another case regarding Anthropic’s clash with the Pentagon. U.S. District Judge Rita Lin denied that request on Thursday, noting that the D.C. case was brought pursuant to a different statute. “[I]t is speculative, at best, that the D.C. Circuit’s decision will simplify matters in this action,” she wrote in her order.