A federal judge has ruled that the Pentagon’s blacklisting of Anthropic earlier this year was unconstitutional, handing the AI lab a significant legal victory in its prolonged dispute with the Trump administration. The decision came Thursday from U.S. District Judge Rita F. Lin in the Northern District of California.
The case centered on a lawsuit filed in March, which accused the administration of unlawfully retaliating against Anthropic after the company established “red lines” defining unacceptable military applications of its AI technology. In her ruling, Judge Lin wrote that “the empty invocation of national security is not a blank check to punish and retaliate against government critics.”
What the Ruling Found
Judge Lin determined that the administration’s conduct amounted to “unlawful retaliation in violation of the First Amendment.” She also concluded that Defense Secretary Pete Hegseth’s decision to label Anthropic a “supply chain risk” was “arbitrary and capricious.”
While acknowledging that the Department of War is “undisputedly free to select the AI vendor of its choice,” she wrote that “the evidence demonstrates that the broad measures imposed on Anthropic were illegal and baseless.” The supply chain risk classification is a designation typically reserved for national security threats.
How the Dispute Began
The conflict started last winter when Hegseth moved to renegotiate existing military contracts with AI labs, seeking to permit the Pentagon to use AI for “any lawful use.” That change would have expanded the Pentagon’s authority considerably. Most AI labs agreed to the new terms, but Anthropic held firm on two restrictions: it would not allow its technology to be used for mass surveillance of Americans or for lethal autonomous weapons capable of killing targets without human oversight.
Anthropic’s refusal triggered escalating pressure from both sides, along with public criticism from Department of Defense officials and an eventual ultimatum from the administration. Less than 24 hours before that deadline, Anthropic CEO Dario Amodei stated that the company would not change its position. He noted that Anthropic has “never raised objections to particular military operations nor attempted to limit use of our technology in an ad hoc manner,” but said that in “a narrow set of cases, we believe AI can undermine, rather than defend, democratic values.”
Legal Fight and Aftermath
Following that statement, Anthropic was designated a supply chain risk, and the Pentagon signed agreements with seven other AI companies, including Google, Microsoft, OpenAI, and SpaceX, to replace Anthropic’s role within the Department of Defense.
Anthropic responded with its lawsuit, and in March, Judge Lin temporarily blocked the blacklist. “The Department of War’s records show that it designated Anthropic as a supply chain risk because of its ‘hostile manner through the press,'” she wrote at the time. “Punishing Anthropic for bringing public scrutiny to the government’s contracting position is classic illegal First Amendment retaliation.”
In a statement Thursday, Anthropic spokesperson Danielle Ghiglieri said, “We welcome the court’s ruling that this supply chain risk designation
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Image: theverge.com
