(May 13, 2016, 9:16 AM EDT) -- ALEXANDRIA, Va. — In a petition for inter partes review filed May 11 with the Patent Trial and Appeal Board, Alcatel-Lucent USA Inc. takes aim at a patent directed to the allocation of frequency channels, called “subcarriers,” to subscribers (Alcatel-Lucent USA Inc. v. Adaptix Inc., No. IPR2016-01030, PTAB)....