A United States federal court has ruled that sanctions imposed by the Trump administration against artificial intelligence company Anthropic were unlawful, marking a significant legal development in an ongoing dispute over the military use of AI technology. The decision, issued by Judge Rita Lin in San Francisco, found that the government acted improperly when it restricted the use of Anthropic products across federal agencies and classified the company as a national security supply chain risk. The court concluded that the measures were not supported by sufficient legal justification and immediately prohibited the agencies named in the lawsuit from enforcing the restrictions. The ruling also overturned the Pentagon’s designation of Anthropic as a supply chain risk, a classification that had previously been applied mainly to foreign companies. While the decision takes effect immediately, the US government retains the option to appeal the judgment.
The dispute began after Anthropic stated in February that its Claude artificial intelligence models should not be used for mass surveillance of citizens or for fully autonomous lethal weapons systems. Following the company’s position, President Donald Trump directed all government agencies to stop using Anthropic products, while Defense Secretary Pete Hegseth described the company as posing a supply chain risk to national security. In her 59 page ruling, Judge Rita Lin stated that simply invoking national security could not justify punitive action against a company for expressing policy disagreements with the government. The court further noted that the sanctions appeared to have been imposed because of the company’s criticism of government policies rather than because of an established national security threat. According to the ruling, the measures reflected an effort to make a public example of Anthropic rather than respond to a verified security concern. The decision permanently replaces the temporary suspension of sanctions that the same court had ordered in March.
Anthropic welcomed the ruling, saying it confirmed that the supply chain risk designation had been unlawful. The company also reiterated that it remains committed to working with the US government on artificial intelligence applications that support national security while maintaining its established principles regarding the use of its technology. The disagreement between the company and the government centered on Anthropic’s refusal to authorize the use of Claude for fully autonomous weapons systems or for large scale surveillance activities involving American citizens. President Trump publicly criticized the company at the time, describing it in strong political terms on social media. Despite those criticisms, the court determined that the government’s actions did not meet the legal standard required for imposing such restrictions. The ruling also acknowledged that the sanctions had broader consequences for the government contracting industry by affecting organizations that relied on Anthropic technology through defense related projects and partnerships.
Reports from The Wall Street Journal and Axios indicated that Claude had previously been used across classified and sensitive military systems, including during the January operation targeting Venezuelan leader Nicolas Maduro. The Pentagon’s supply chain risk designation, introduced in March, resulted in the cancellation of Anthropic’s military contracts and prevented other defense contractors from using the company’s technology. Judge Lin stated that these actions had created wider effects throughout the government contracting ecosystem and could discourage future collaboration between technology companies and federal agencies. However, the legal dispute has not been fully resolved. A separate Pentagon restriction imposed under federal procurement regulations remains in place after a different court in Washington declined to suspend that measure in April. That case is still awaiting a final decision. The White House has also expressed disagreement with Anthropic Chief Executive Officer Dario Amodei, who has repeatedly spoken publicly about the potential risks associated with artificial intelligence, including its possible impact on employment and the broader economy.
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