(January 18, 2017, 10:09 AM EST) -- ALEXANDRIA, Va. — A patented pharmaceutical composition containing three different beads of amphetamine salts is unpatentable pursuant to 35 U.S. Code Sections 102(b) and 103, Amerigen Pharmaceuticals Limited argues in a Jan. 13 petition for inter partes review (IPR) (Amerigen Pharmaceuticals Limited v. Shire LLC, No. IPR2017-00665, PTAB)....