Panel Says It Can Reach Merits Of Patent Board Estoppel Ruling

Mealey's (March 10, 2021, 11:35 AM EST) -- WASHINGTON, D.C. — In a March 9 holding, the Federal Circuit U.S. Court of Appeals found that it is not barred from reviewing a determination by the Patent Trial and Appeal Board that two petitioners for inter partes review (IPR) were not estopped from maintaining portions of their challenges....