(April 4, 2024, 12:38 PM EDT) -- WASHINGTON, D.C. — The Federal Circuit U.S. Court of Appeals should set aside a final written decision (FWD) by the Patent Trial and Appeal Board that canceled all challenged claims of an electric power grid management patent because the board relied on a theory of invalidity not explicitly raised by Unified Patents LLC’s petition for inter partes review (IPR), a patent owner says....