In a statement dated 5 March 2026 he wrote that on 4 March Anthropic received a letter from the Department of War confirming it had been designated a supply chain risk to America’s national security; that “we see no choice but to challenge it in court”; and that for customers it applies only to the use of Claude “as a direct part of contracts with the Department of War”.

The exact words it rests on

Mar 5, 2026. A statement from Dario Amodei. Yesterday (March 4) Anthropic received a letter from the Department of War confirming that we have been designated as a supply chain risk to America’s national security. As we wrote on Friday, we do not believe this action is legally sound, and we see no choice but to challenge it in court. ... With respect to our customers, it plainly applies only to the use of Claude by customers as a direct part of contracts with the Department of War, not all use of Claude by customers who have such contracts.

What the source said when we opened it, on 13 Oct 2026.

The source

Where things stand with the Department of War (a statement from Dario Amodei)
Anthropic · 2026-03-05

Open the sourcearchived copy

Checked

Checked by the notis newsroom on 13 Oct 2026, against the source above.

In the story

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