Mealey's (February 6, 2023, 11:36 AM EST) -- WASHINGTON, D.C. — In a Feb. 3 ruling, a divided Federal Circuit U.S. Court of Appeals left intact a determination by the Patent Trial and Appeal Board that various claims of a patent directed to an aerodynamic trailer skirt used to reduce air drag would be obvious to a person of skill in the art (POSA)....