Harvard is defending against federal grant cancellations and freezes tied to claims of campus antisemitism, and a new amicus filing shows the broader research-university coalition is expanding. Three dozen colleges and universities backed Harvard, warning in a joint brief that wholesale termination of federal research funding at one leading institution can disrupt scientific progress and public welfare. The brief argues the government’s actions resemble patterns used to justify funding cuts elsewhere and says temporary interruptions can still derail experiments, break research pipelines, and harm early-career scientists. For universities, the filings underscore that compliance risk is increasingly tied to political scrutiny, not only research merit, and that institutions may pursue legal coordination to protect the federal research ecosystem. The case is being litigated through the 1st U.S. Circuit Court of Appeals, with the administration’s appeal pending.