Dinsmore & Shohl filed a trademark lawsuit Thursday in Michigan Eastern District Court on behalf of Luminos, maker of DetectX, a COVID-19-related test. The suit accuses PathogendDX of selling reagent test kits that infringe on the plaintiff's DetectX mark. Counsel have not yet appeared for the defendant. The case is 2:21-cv-11927, Luminos, LLC v. PathogenDX, Inc.