Technology & Science

Judge Lin Halts Pentagon ‘Supply-Chain Risk’ Blacklist of Anthropic

On 27 March 2026 a federal court issued a preliminary injunction that suspends, for at least a week, the Trump administration’s order branding Anthropic a supply-chain threat and forbidding federal agencies and contractors from using its Claude AI systems.

By Priya Castellano

Focusing Facts

  1. The 43-page injunction in N.D. Cal. case 3:26-cv-01094 bars enforcement of Defense Secretary Pete Hegseth’s blacklist and gives the government until 3 Apr 2026 to file an appeal.
  2. The designation followed Anthropic’s refusal of a $200 million Pentagon contract after the company declined to permit autonomous-weapons and mass-surveillance uses of its models.
  3. After Anthropic walked away, OpenAI secured a separate Pentagon agreement to deploy its models in classified environments.

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