Anthropic Legal Battle: AI Lab Sues Pentagon Over Blacklist Threat

Anthropic, an AI startup, has sued the U.S. government, President Trump, and Defense Secretary Pete Hegseth over plans to blacklist the company from national security concerns. The lawsuit accuses the government of First and Fifth Amendment violations, presidential overreach, and violating the Administrative Procedure Act.

On Monday, AI startup Anthropic filed a lawsuit to halt the Pentagon's efforts to blacklist it over national security concerns. The lawsuit represents a significant escalation in Anthropic's ongoing conflict with the U.S. military regarding its technology's usage restrictions.

The lawsuit claims First Amendment violations, asserting that Anthropic has faced retaliation for engaging in protected activities, including free speech. The startup argues that blacklisting constitutes retaliatory action against its expression and communication with government entities about AI service limitations and safety concerns.

Anthropic also accuses the U.S. government of Fifth Amendment breaches, citing a lack of due process before blacklisting and contract termination. The lawsuit further claims the Defense Secretary's designation of Anthropic as a supply-chain risk, cutting commercial ties without evidence, violates the Administrative Procedure Act.

(With inputs from agencies.)