Mealey's (August 18, 2022, 7:38 AM EDT) -- WASHINGTON, D.C. — Efforts by two petitioners for inter parties review (IPR) to invalidate a University of Minnesota (UMN) patent relating to coding were unsuccessful Aug. 11 when the Federal Circuit U.S. Court of Appeals said the Patent Trial and Appeal Board did not err in rejecting the challenge as it relates to two claims....