(October 25, 2017, 10:42 AM EDT) -- ALEXANDRIA, Va. — In an Oct. 23 ruling, the Patent Trial and Appeal Board announced that it will review the patentability of seven claims of an electronic cigarette patent but denied institution with regard to five others (R.J. Reynolds Vapor Co. v. Fontem Holdings 1 BV, No. IPR2017-01120, PTAB)....