Mealey's (August 18, 2022, 1:23 PM EDT) -- WASHINGTON, D.C. — In a case it said presents “a rather unusual set of facts,” the Federal Circuit U.S. Court of Appeals on Aug. 17 found that a federal judge in Texas erred in refusing to apply inter partes review (IPR) estoppel to the sole patent claim to survive IPR by the Patent Trial and Appeal Board....