特朗普政府在美国法庭为将 Anthropic 列入黑名单进行辩护

Trump administration defends Anthropic blacklisting in US court

March 18, 2026 12:42 AM UTC / Reuters

By Jack Queen

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NEW YORK, March 17 (Reuters) – The Trump administration said in a Tuesday court filing that the Pentagon’s blacklisting of Anthropic was justified and lawful, opposing the artificial intelligence lab’s high-stakes ​lawsuit challenging the decision.

Defense Secretary Pete Hegseth designated Anthropic, the maker of popular AI assistant ‌Claude, a national security supply chain risk on March 3 after the company refused to remove guardrails against its technology being used for autonomous weapons or domestic surveillance.

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The Trump administration’s filing, opens new tab says Anthropic is unlikely to succeed on its claims that the U.S. ​action violated speech protections under the U.S. Constitution’s First Amendment, asserting the dispute stems from contract ​negotiations and national security concerns, not retaliation.

“It was only when Anthropic refused to release the ⁠restrictions on the use of its products — which refusal is conduct, not protected speech — that the President ​directed all federal agencies to terminate their business relationships with Anthropic,” the administration’s legal filing said. The filing, from ​the U.S. Justice Department, said “no one has purported to restrict Anthropic’s expressive activity.”

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Anthropic’s lawsuit in California federal court asks a judge to block the Pentagon’s decision while the case plays out. Some legal experts say the company appears to have a strong case that the government overreached.

In a statement, Anthropic said it was reviewing the government’s filing. The company said “seeking judicial ​review does not change our longstanding commitment to harnessing AI to protect our national security, but this is a necessary ‌step to ⁠protect our business, our customers, and our partners.”

The White House did not immediately respond to a request for comment.

President Donald Trump backed Hegseth’s move, which excludes Anthropic from a limited set of military contracts but could damage the company’s reputation and cause billions of dollars in losses this year, according to its executives.

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The designation came after ​months of negotiations between the ​Pentagon and Anthropic reached ⁠an impasse, prompting Trump and Hegseth to denounce the company and accuse it of endangering American lives with its usage restrictions.

Anthropic has disputed those claims and said ​AI is not yet safe enough to be used in autonomous weapons. The company ​said it ⁠opposes domestic surveillance as a matter of principle.

In its March 9 lawsuit, Anthropic said the “unprecedented and unlawful” designation violated its free speech and due process rights, while running afoul of a law requiring federal agencies to follow specific procedures when ⁠making ​decisions.

The Pentagon separately designated Anthropic a supply chain risk under a ​different law that could expand the order to the entire government.

Anthropic is challenging that move in a second lawsuit in a Washington, D.C. ​appeals court.

Reporting by Jack Queen in New York. Additional reporting by Mike Scarcella in Washington; Editing by Lincoln Feast

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