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Court Rules Trump Administration's Blacklisting of Anthropic Unconstitutional

This article is a translation. Read the Japanese original

A federal district court in California has ruled that the Trump administration's decision to blacklist Anthropic is unconstitutional.

The ruling determines that the Department of Defense's action to blacklist the company earlier this year was unconstitutional.

The lawsuit was filed in March. Anthropic had sued, alleging that the administration engaged in unlawful retaliation against the company's establishment of "redlines" (safety standards).

With this ruling, Anthropic has secured a victory in its months-long legal battle against the Trump administration.

According to The Verge, the company had established its own standards from a safety perspective, which reportedly drew backlash from the administration.

--- Source: Anthropic was illegally blacklisted by the Trump administration, court rules (The Verge AI, 2026-08-28)