Anthropic PBC v. U.S. Department of War et al

  1. April 24, 2026

    Judge Won't Halt Anthropic Calif. Suit Amid DC Circ. Case

    Anthropic PBC's lawsuit challenging the Pentagon's designation of the artificial intelligence company as supply chain risk to national security can proceed in California federal court while the government appeals an injunction and a parallel challenge plays out at the D.C. Circuit. 

  2. March 26, 2026

    Anthropic Blocks Pentagon's 'Orwellian' Security Risk Label

    A California federal judge Thursday issued a preliminary injunction barring the Trump administration from labeling Anthropic as a supply chain risk to national security, calling the move a "classic illegal First Amendment retaliation" and "Orwellian."

  3. March 24, 2026

    Pentagon 'Punishing' Anthropic Would Be Illegal, Judge Says

    A California federal judge considering Anthropic's request to block the U.S. Department of Defense from labeling it a supply chain national security risk said Tuesday that it looks like the government is "punishing" Anthropic for bringing public attention to their contract fight, a move that would violate the First Amendment.

  4. March 23, 2026

    Anthropic Says DOD Security Risk Label Is Unconstitutional

    Anthropic PBC has doubled down on its push for an order blocking the Trump administration from labeling it a supply chain risk to national security, telling a California federal court the executive branch was punishing "a major company for the sin of expressing its views on a matter of profound public significance."

  5. March 18, 2026

    DOJ Defends Labeling Anthropic A Security Risk

    The Trump administration told a California federal judge it lawfully labeled Anthropic PBC a supply chain risk to national security after the company tried to "strong-arm" the U.S. Department of Defense into usage restrictions for its artificial intelligence tools.

  6. March 11, 2026

    Microsoft Backs Anthropic In DOD Security Risk Label Row

    Microsoft has thrown its support behind Anthropic's bid to block the Trump administration from enforcing an order designating the artificial intelligence company a supply chain risk to national security, saying an injunction would avoid disrupting the military's use of advanced AI.

  7. March 10, 2026

    Anthropic Asks Judge To Block DOD's Security Risk Label

    Anthropic has urged a California federal judge to block the Trump administration from enforcing an order designating the artificial intelligence company a supply chain risk to national security, arguing the government has retaliated against Anthropic for its constitutionally protected speech.

  8. March 09, 2026

    Anthropic Sues Over Trump Admin's 'Campaign Of Retaliation'

    Anthropic sued the Trump administration on Monday, challenging the Pentagon's designation of the artificial intelligence company as a supply chain risk to national security after Anthropic refused to allow its technology to be used for mass domestic surveillance and fully autonomous weapons.