(February 27, 2017, 11:45 AM EST) -- ALEXANDRIA, Va. — In a petition for inter partes review (IPR) filed Feb. 23, Delphi Technologies Inc. asserted that all 21 claims of a patent covering Universal Serial Bus (USB) switching hubs are unpatentable as anticipated or obvious (Delphi Technologies Inc. v. Microchip Technology Inc., IPR2017-00970, PTAB)....