Trump Administration’s Blacklisting of Anthropic Was Illegal, Judge Rules

August 28, 2026 - 04:53

A federal judge in California has ruled that the Trump administration acted illegally when it blacklisted the artificial intelligence company Anthropic, saying the government retaliated against the start-up for its constitutionally protected expressive activities. The decision, handed down late Tuesday, marks a significant legal setback for federal agencies that had placed the company on a restricted list, effectively barring it from certain government contracts and partnerships.

In his written opinion, the judge found that the administration's actions were not based on legitimate national security concerns, but rather on the company's public statements and policy positions. The ruling stated that the government had targeted Anthropic because of its advocacy on AI safety and its outspoken criticism of certain regulatory approaches, which the judge said crossed the line into viewpoint discrimination. The court emphasized that while the government has broad authority in procurement and contracting, that authority does not extend to punishing a private entity for exercising its First Amendment rights.

Anthropic, known for its work on large language models and its focus on responsible AI development, had argued that the blacklisting was politically motivated. The company's lawyers presented evidence that internal government communications referenced Anthropic's public commentary and its founders' past statements, rather than any specific security violations. The judge agreed, noting that the record showed no credible evidence of wrongdoing by the company.

The ruling orders the removal of Anthropic from the blacklist and prohibits the government from taking similar retaliatory action in the future. Legal experts say the decision could have broader implications for how federal agencies treat tech companies that engage in policy debates, particularly in the rapidly evolving field of artificial intelligence. The government has not yet announced whether it will appeal the ruling.