Patentability Findings Upheld, But Federal Circuit Remands Dispute To Board

Mealey's (September 21, 2018, 11:21 AM EDT) -- WASHINGTON, D.C. — Although agreeing with the Patent Trial and Appeal Board that two grounds for invalidity were not established by two inter partes review petitioners, the Federal Circuit U.S. Court of Appeals on Sept. 20 nonetheless remanded for consideration of two additional grounds raised but not considered by the board (South-Tek Systems LLC, et al. v. Engineered Corrosion Solutions LLC, No. 17-2297, Fed. Cir., 2018 U.S. App. LEXIS 26838)....