Last mentioned: Mar 18, 2026
DOJ Response
The Justice Department files a court document defending the blacklist as lawful and justified by national security concerns.
Anthropic Lawsuit
Anthropic files a lawsuit in California federal court challenging the designation on First Amendment grounds.
Blacklisting Order
Defense Secretary Pete Hegseth officially designates Anthropic a national security supply chain risk.
Contract Negotiations
The Pentagon and Anthropic engage in months of talks regarding the use of Claude in military applications.
The U.S. Justice Department has filed a legal defense of the Pentagon's decision to blacklist AI lab Anthropic, labeling the company a national security supply chain risk. The dispute centers on Anthropic's refusal to remove safety guardrails that prevent its Claude AI from being utilized in autonomous weapons systems and domestic surveillance operations.