Anthropic Seeks Fresh Court Review of Pentagon’s National Security Risk Designation

By Angel No Lie | KPDOnline | WASHINGTON, D.C., October 14, 2026

Artificial intelligence company Anthropic has asked a US appeals court to reconsider its decision upholding the Pentagon’s designation of the company as a national security supply-chain risk, escalating a legal dispute over the military use of artificial intelligence and restrictions designed to prevent potential misuse.

The request for a rehearing follows a September ruling by the US Court of Appeals for the District of Columbia Circuit, which upheld the Pentagon’s decision in a 2–1 judgment. The designation allows the US military to exclude Anthropic’s AI systems from its supply chain and restrict their use in defence-related work.

Disagreement over AI safeguards

The dispute centres on Anthropic’s refusal to remove safeguards that prohibit its technology from being used for fully autonomous lethal weapons and mass domestic surveillance.

The Pentagon argued that restrictions built into Anthropic’s Claude AI system could interfere with military operations and create risks when the technology is integrated into defence systems.

Anthropic, however, has challenged the government’s approach, arguing that the law used to designate the company as a supply-chain risk was not intended to be applied in this manner to a domestic technology provider.

In its rehearing petition, the company also argued that the government acted without an adequate process before applying the designation and that the decision amounted to retaliation for its position on AI safety, according to Reuters.

Conflicting court outcomes

The latest development follows a separate legal battle in California, where a federal judge ruled in August that a related government designation against Anthropic was unlawful. That case involved a different legal authority from the one considered by the Washington appeals court.

The contrasting outcomes highlight the complexity of the dispute and the legal questions surrounding the government’s authority to restrict technology companies from defence-related contracts.

The September appeals court ruling nevertheless upheld the Pentagon’s action under the federal supply-chain security law, rejecting Anthropic’s principal challenges in that case.

Wider implications for artificial intelligence

The dispute raises broader questions about how governments should balance national security requirements with technology companies’ efforts to establish limits on the use of their products.

For AI developers, the case could influence how contractual safeguards are negotiated when their systems are supplied to military and government agencies. For policymakers, it highlights the challenge of determining whether restrictions intended to prevent harmful applications could conflict with operational requirements.

The outcome could also shape future relationships between AI companies and defence institutions, particularly as advanced AI systems become increasingly relevant to intelligence, cybersecurity and military planning.

Anthropic’s request for a rehearing represents another step in the legal process; it does not itself overturn the existing ruling. The dispute remains an important test of the boundaries between government procurement powers, national security concerns and the responsibilities of companies developing powerful AI systems.