The United States Supreme Court has granted a writ of certiorari this term in Nautilus, Inc. v. Biosig Instruments, Inc. (reviewing the Court of Appeals’ decision in Biosig Instruments, Inc. v. Nautilus, Inc., 715 F.3d 891 (Fed. Cir. 2013)), to address the legal test for when a United States patent claim is invalid for “indefiniteness.” […]