Anthropic PBC v. United States Department of War, et al

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Case Number:

26-1049

Court:

Appellate - DC Circuit

Nature of Suit:

Petition for Review 

Companies

Sectors & Industries:

  1. July 20, 2026

    Top Gov't Contracting Cases To Watch In The 2nd Half Of 2026

    Federal courts in the latter half of 2026 are expected to decide if the Trump administration overstepped by designating Anthropic a supply chain risk to national security and whether the False Claims Act's qui tam provisions pass constitutional muster, potentially affecting the government's ability to tackle fraud.

  2. June 18, 2026

    Anthropic Files Protective Appeal Of Pentagon Designation

    Anthropic has filed a protective petition challenging the U.S. Department of Defense's June 3 decision reaffirming the artificial intelligence giant's designation as a supply-chain risk, asking the D.C. Circuit to consolidate it with the designation challenge already pending before the appeals court.

  3. May 19, 2026

    Anthropic Says Defense Dept. Smeared It Over AI Red Lines

    Potential splits emerged Tuesday between D.C. Circuit judges questioning the legality of the U.S. Department of Defense's move to bar Anthropic from government contracting, with the AI company claiming it had been targeted and smeared as a national security threat for nothing more than a contract dispute.

  4. May 07, 2026

    Pentagon Defends Anthropic Security Risk Label At DC Circ.

    The U.S. Department of Defense told the D.C. Circuit on Wednesday that Defense Secretary Pete Hegseth acted well within his statutory discretion when he labeled Anthropic PBC a supply-chain risk to U.S. national security, rejecting Anthropic's claims of retaliation.

  5. April 22, 2026

    Anthropic Slams Hegseth's Security Risk Label At DC Circ.

    Anthropic Wednesday asked the D.C. Circuit to overturn the U.S. Department of Defense's action branding it a supply chain risk, saying the decision was retaliation for the artificial intelligence company's refusal to provide the Trump administration with technology for mass domestic surveillance or fully autonomous weapons.

  6. April 08, 2026

    DC Circ. Allows DOD To Ax Anthropic Contracts Amid Review

    The D.C. Circuit Wednesday shot down Anthropic's request for an emergency order temporarily barring the U.S. Department of Defense from designating the artificial intelligence company as a national security risk while Anthropic's appeal plays out, although it agreed to expedite the appeal.

  7. March 20, 2026

    DOD Calls Anthropic's Supply Chain Risk Case Premature

    The Pentagon urged the D.C. Circuit to reject Anthropic's attempt to halt the agency's designation of the artificial intelligence company as a supply chain risk to national security, arguing the designation is limited in scope, and that Anthropic's motion is premature. 

  8. March 19, 2026

    Ex-Judges Say Anthropic Case Doesn't Merit Court Deference

    Nearly 150 former judges are backing Anthropic's fight against its designation as a "supply chain risk" by the U.S. Department of Defense, telling the D.C. Circuit in an amicus brief that the judiciary shouldn't simply defer to the executive just because it invokes national security.

  9. March 17, 2026

    Amici Chide Trump Admin For Calling Anthropic A Security Risk

    In separate amicus briefs to the D.C. Circuit, the ACLU, tech industry groups, former government officials and moral theologians variously panned the Trump administration's designation of Anthropic PBC as a supply chain risk to national security as unjustified, unlawful and counterproductive.

  10. 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.