Microsoft backs AI firm Anthropic in legal battle against Pentagon

2026-03-12 - 15:13

Tech company filed amicus brief in support of Anthropic’s effort to overturn an aggressive Pentagon designation Microsoft has thrown its weight behind Anthropic’s legal challenge against the US Pentagon, filing a court brief in support of the AI company’s effort to overturn an aggressive designation that effectively bars it from government work. In an amicus brief submitted to a federal court in San Francisco this week, Microsoft, which integrates Anthropic’s AI tools into systems it provides to the US military, argued that a temporary restraining order was necessary to prevent serious disruption to suppliers whose products rely on the AI company’s technology. Google, Amazon, Apple and OpenAI have also signed on to a brief in support of Anthropic. Continue reading...