New Delhi. US artificial intelligence company Anthropic has intensified its legal battle against the Pentagon’s decision to designate it as a national security supply chain risk. The company on Tuesday filed a petition with a US appeals court seeking a rehearing of a ruling issued in September that upheld the Defence Department’s decision. In a 2-1 ruling, the court’s majority sided with the Pentagon. Anthropic argues that the court misinterpreted federal law and allowed the government to take action against the company because of its position on AI safety.
According to Anthropic, the Pentagon’s action has cost it billions of dollars in potential business. The dispute centres on the restrictions the company wants to maintain on how its AI models can be used, including prohibitions on their use in autonomous weapons and mass surveillance.
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Anthropic Challenges the Court’s Ruling
In its petition to the US Court of Appeals in Washington, DC, Anthropic argued that the majority had expanded the scope of a federal law originally intended to address risks associated with hostile foreign actors. The company contends that the court’s interpretation could allow the law to be applied broadly to almost any government contractor.
Anthropic also argued that the Pentagon should have followed an appropriate process before designating it as a national security risk. The company alleges that the action was retaliatory and linked to its public position on AI safety.
However, the majority of the appeals court upheld the Defence Department’s decision in September. The judges concluded that Anthropic’s restrictions on the use of its AI technology could compromise military operations. The court also rejected the company’s claim that the Pentagon had targeted it in retaliation for its views on AI safety.
Dispute Over Autonomous Weapons and Surveillance
The central issue in the dispute between Anthropic and the US Defence Department is the extent to which AI technology can be used for military purposes. Anthropic has objected to making its AI models available for applications involving autonomous weapons and mass surveillance. The Pentagon, meanwhile, maintains that restrictions on the technology’s use could create difficulties for military operations.
The dispute highlights a broader question facing the AI industry: should technology companies retain the authority to determine how their products are used for military purposes, or should the government have wider discretion when national security is involved?
Anthropic maintains that excluding the company from government business because of its AI safety policies is unjustified. The appeals court majority, however, considered the Defence Department’s decision reasonable in the context of its military responsibilities and national security concerns.
Anthropic Secured Relief in a Separate California Case
In a related development, a federal judge in California struck down a parallel designation against Anthropic in August under a different law. That case involved a separate legal provision and is distinct from the current appeals court dispute.
The two legal proceedings mean that the broader conflict between Anthropic and the US government involves questions about the interpretation and application of different federal laws. Anthropic’s latest petition seeks a review of the September ruling. However, the available information does not establish whether the request for a rehearing has been accepted or whether any further ruling has been issued.
Broader Debate Over AI Regulation
Anthropic CEO Dario Amodei has advocated regulation covering all leading frontier AI companies in the United States. In contrast, President Donald Trump’s administration has favoured an approach that prioritises growth and expansion in the AI sector.
The legal dispute therefore extends beyond a disagreement between a technology company and the Defence Department. Its outcome could influence how much flexibility AI companies have when dealing with national security requirements, government contracts and restrictions on the potential uses of their technology.
At the heart of the case is the balance between corporate AI safety policies and the government’s responsibility to protect national security. The proceedings could also raise questions about the extent to which federal authorities can use national security laws to restrict companies that impose limits on how their AI systems may be deployed.
For now, Anthropic has asked the appeals court to reconsider its earlier decision. The next stage of the legal process will be important in determining how US law applies to disputes involving AI safety restrictions, government procurement and military applications of advanced artificial intelligence.
About the author — Suvedita Nath is a science student with a growing interest in cybercrime and digital safety. She writes on online activity, cyber threats, and technology-driven risks. Her work focuses on clarity, accuracy, and public awareness.
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