A federal judge said at a July 30, 2026 hearing that the Trump administration still does not have enough evidence to justify banning AI company Anthropic from federal government use.

The hearing in San Francisco is the latest step in a dispute that started when Secretary of Defense Pete Hegseth labeled Anthropic a "supply chain risk" — a government classification used to flag suppliers considered unsafe or untrustworthy for federal purchases. The label effectively banned federal agencies from using Anthropic's AI products. It was the first time a U.S. company was publicly given this designation Reuters. The Defense Department confirmed the designation in a letter to Anthropic on March 4, 2026 Anthropic.

The conflict goes back to stalled contract talks between Anthropic and the Defense Department. Anthropic CEO Dario Amodei said publicly that the Pentagon threatened to remove the company from federal systems if it kept certain safety rules in place Anthropic. Specifically, Anthropic refused to let its AI be used for mass surveillance of Americans or for lethal targeting — meaning decisions about who or what to attack in combat TechCrunch.

Think of a supply chain risk label as a government blacklist for vendors it does not trust. It was originally created to keep foreign companies that might be controlled by hostile governments out of federal systems. Using it against a U.S. company because it disagreed with the Pentagon over how its own product could be used is something no prior case appears to have tested.

Anthropic filed two lawsuits against the DOD in March 2026: one challenging the ban and the supply chain risk label, and a second asking for review of the label under a different law, according to a Congressional Research Service report Congress.gov. That second suit is being heard in Washington.

Judge Rita Lin issued a ruling on March 26, 2026, temporarily blocking the Pentagon's supply chain risk label and stopping federal agencies from applying it Reuters. Senator Mark Warner welcomed the decision, issuing a press release praising the court's pause on Hegseth's designation Senate.gov. The Pentagon has since appealed Lin's March 26 order Inside Defense.

At the D.C. Circuit Court of Appeals, the judges appeared split during oral arguments held on or around May 19, 2026 AP News. The appeals court generally seemed skeptical of Anthropic's request to keep the block in place, though Judge Karen LeCraft Henderson said she saw no evidence supporting the Pentagon's claim that Anthropic poses a supply-chain risk Bloomberg; AP News.

At the July 30 hearing, Judge Lin weighed whether to make her temporary block permanent. The government made two main arguments. First, the DOD argued that Anthropic's public criticism of the Pentagon justified the ban. Lin called that argument "really troubling" and warned it could set a precedent of punishing federal contractors who disagree with the administration TechCrunch.

Second, the DOD claimed Anthropic could potentially disable or alter its AI models during military operations. Lin said she saw no proof that Anthropic could change a model after delivery or activate a "kill switch" — a remote shutoff that would let the company turn off its AI once it was running on a government system TechCrunch.

While the legal battle has played out across two federal courts, the White House has been working on a separate path. The administration is developing guidance that would let federal agencies get around the supply chain risk label and start using Anthropic's technology again Nextgov; Axios. At the same time, the Trump administration is drafting an AI executive order touching on related federal AI purchasing issues.

The Congressional Research Service published its own analysis of the legal disputes in May 2026, cataloging the two-lawsuit strategy and the legal questions each case raises Congress.gov.

In my view, the core of this case is less about Anthropic's specific safety rules and more about whether the government can use the supply chain risk label as a bargaining tool in a contract dispute over how a company's product may be used. If Judge Lin makes her ban on the designation permanent, the Pentagon's appeal will continue at the D.C. Circuit, where the judges' skepticism in May cut against Anthropic but did not clearly favor the government either. The split bench suggests the appellate outcome is genuinely uncertain.