Mealey's (April 13, 2021, 7:53 AM EDT) -- WASHINGTON, D.C. — In a March 18 appellant brief, a patent owner tells the Federal Circuit U.S. Court of Appeals that “determining whether a plural noun phrase in a patent claim refers to a few instances out of many or to an entire class requires an examination of the context in which the phrase is used: the claim language, specification, and prosecution history.”...