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US judge rules Pentagon blacklisting of Anthropic unlawful

By Thomson Reuters Aug 27, 2026 | 8:20 PM

WASHINGTON, Aug 27 (Reuters) – A U.S. judge ruled on ​Thursday that ‌the Pentagon’s blacklisting of Anthropic was unlawful.

“The undisputed record ‌shows ​that the ⁠challenged actions ⁠constituted unlawful retaliation in violation of the First Amendment, ​and that Anthropic was denied ⁠the ⁠pre-deprivation process required under ​the Fifth Amendment,” ​U.S. District Judge Rita ‌F. Lin wrote in a ruling.

“The record ⁠further shows no material dispute that Secretary Hegseth’s ⁠decision ‌to designate ⁠Anthropic a ​supply ‌chain risk violated ​the governing ⁠statutory scheme…and was arbitrary and capricious.”

(Reporting by Christian Martinez and Jasper ​Ward)