(July 30, 2024, 10:22 AM EDT) -- WASHINGTON, D.C. — In a dispute between a software company and Apple and Motorola over a patent regarding how internet content is displayed on mobile devices, the Federal Circuit U.S. Court of Appeals upheld the Patent Trial and Appeal Board’s determination that a regulation addressing estoppel provisions in patent office proceedings is valid but vacated and remanded the board’s decision in two reexamination proceedings for it to reconsider the regulation’s application to previously issued claims....