Anthropic sues the US government over its Pentagon blacklist

The AI company filed two federal lawsuits on Monday, arguing the Trump administration’s ‘supply chain risk’ designation is unconstitutional retaliation for protected speech.

There is a phrase in Anthropic’s court filing that sets the tone for everything that follows: “Anthropic turns to the judiciary as a last resort to vindicate its rights and halt the Executive’s unlawful campaign of retaliation.” It is the language of a company that believes it is not simply fighting a contract dispute, but a constitutional one.

On Monday, the San Francisco-based AI company filed two federal lawsuits against the Trump administration, targeting the Pentagon’s decision last week to formally designate Anthropic a “supply chain risk to national security”, a label that has historically been reserved for companies tied to foreign adversaries such as China and Russia.

It is believed to be the first time the designation has been applied to an ...