Anthropic Urgent Appeal: Pentagon "Ban Order" Could Result in Billions of Dollars in Losses This Year

Anthropic is actively fighting against the U.S. Department of Defense’s designation of it as a “national security supply chain risk” through legal channels.

On March 12, CNBC reported that the company filed a motion on Wednesday to stay the enforcement of this designation pending judicial review. This legal dispute stems from ongoing disagreements over the regulation of military use of artificial intelligence tools. U.S. Secretary of Defense Lloyd Austin** barred the Pentagon and its contractors from using Anthropic’s products**, citing the company’s refusal to relax restrictions on its AI systems.

The core of the conflict is: Anthropic insists on imposing restrictions on the military use of its AI systems, which ultimately led Secretary Austin to classify it as a “supply chain risk” and ban its application within the defense system.

This legal battle over the militarization of AI is evolving into a potentially landmark case that could reshape the relationship between tech companies and the U.S. defense sector.

Hundreds of corporate clients inquire: Anthropic says blacklisting will cause hundreds of millions in losses

This filing is part of Anthropic’s dual legal offensive launched this week. Earlier this week, the company also filed a lawsuit in a California federal court challenging the blacklist decision.

In documents submitted to the U.S. Court of Appeals for the District of Columbia Circuit on Wednesday, Anthropic stated that the Pentagon’s supply chain designation would cause the company “irreparable harm.” According to court documents, more than 100 corporate clients have contacted the company regarding this designation.

Anthropic’s legal team warned in the filings: “Based on Anthropic’s best estimates, by 2026, this adverse government action could result in hundreds of millions or even billions of dollars in lost revenue.”

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