(January 18, 2018, 3:45 PM EST) -- ALEXANDRIA, Va. —West-Ward Pharmaceutical Co. on Jan. 17 took aim at a cancer treatment patent while also requesting joinder to an inter partes review (IPR) by Breckenridge Pharmaceutical Inc., in which the Patent Trial and Appeal Board on Jan. 3 instituted trial (West-Ward Pharmaceutical Co. v. Novartis Pharmaceuticals Corporation, No. IPR2018-00507, PTAB)....