tech
March 10, 2026
Microsoft backs Anthropic in Pentagon blacklist battle, urges temporary restraining order
Microsoft threw its support behind Anthropic and advocated for a temporary restraining order to the Pentagon's supply chain risk designation.
TL;DR
- Microsoft is advocating for a temporary restraining order to block the Pentagon's designation of Anthropic as a supply chain risk.
- The company warns that the Pentagon's ban could disrupt the U.S. military's ongoing use of advanced AI.
- Anthropic sued the Trump administration, calling the designation 'unprecedented and unlawful' and stating it is causing irreparable harm.
- Microsoft, a significant investor in Anthropic, believes a restraining order will facilitate a negotiated resolution.
- Disagreements over the use of Anthropic's models, particularly regarding autonomous weapons and mass surveillance, led to collapsed contract renegotiations with the DOD.
- Major cloud providers like Microsoft, Amazon, and Google have assured customers that Anthropic's products remain accessible outside of defense work.
Continue reading the original article