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Anthropic says US Defense Department's evolving justifications doom AI blacklisting

( July 8, 2026, 22:13 GMT | Official Statement) -- MLex Summary: Anthropic is asking a US judge to grant summary judgment in its favor and permanently invalidate the US Department of Defense designation of the company as a supply chain risk because it was retaliation for public advocacy on AI safety, according to an opposition and reply brief. The Defense Department has effectively abandoned its original justification for the designation, which proves the agency is trying to justify its actions, Anthropic said. The government originally claimed Anthropic might interfere with military operations after deployment by exercising a contractual or operational veto over Claude, and now claims Anthropic might secretly "poison" models before deployment because frontier AI is inherently opaque, Anthropic said. "The fact that important premises of Defendants' rationale have shifted so completely is itself evidence that the rationale is a post hoc construct—not a product of the agency's reasoned judgment at the time of decision," Anthropic said. See attached file....

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