(October 25, 2018, 7:47 AM EDT) -- WASHINGTON, D.C. — In a Sept. 10 appellant brief, a patent owner tells the Federal Circuit U.S. Court of Appeals that final written decisions of obviousness by the Patent Trial and Appeal Board should be vacated because they rested on impermissibly untimely theories of unpatentability raised by inter partes review petitioners (Chrimar Systems Inc. v. Juniper Networks Inc., et al., Nos. 2018-1499, -1500, -1503 -1984, Fed. Cir.)....