Microsoft backs AI firm Anthropic in legal battle against Pentagon

Microsoft has thrown its weight behind Anthropic's legal challenge against the US Department of Defense. Microsoft has thrown its weight behind Anthropic's legal challenge against the US Department of Defense. Tech company files 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 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. In a statement to the Guardian, Microsoft said: "The Department of War needs reliable access to the country's best technology.