Anthropic sued the U.S. Department of Defense after the Pentagon designated the company a “supply-chain risk,” a move that blocks its AI model from military contracts and threatens hundreds of millions in revenue. The complaint, filed in U.S. District Court for the Northern District of California, calls the designation unprecedented and unlawful and seeks judicial relief. Within hours of the suit, more than 30 employees from OpenAI and Google DeepMind — including Google chief scientist Jeff Dean — filed an amicus brief warning the designation risks broader damage to the U.S. AI industry. The brief frames the dispute as both a commercial and national‑security issue, arguing that blacklisting a leading domestic AI firm will undercut U.S. competitiveness. For colleges and research institutions that license, partner with, or rely on commercial AI models for research, teaching, and classified collaborations, the litigation raises immediate procurement, compliance and partnership questions. Universities that host defense-funded research or use Anthropic models in joint projects will need to reassess contractual exposure and data‑handling protocols as the court fight proceeds.