Mealey's (February 11, 2021, 9:40 AM EST) -- WASHINGTON, D.C. — In a Jan. 11 appellant brief, a patent owner tells the Federal Circuit U.S. Court of Appeals that its dispute with an alleged infringer presents “novel and critical” issues relating to the application of the enablement and definiteness requirements of one provision of federal patent law to a provision pertaining to patent eligibility....