(April 13, 2018, 9:00 AM EDT) -- ALEXANDRIA, Va. — In an April 11 petition, an information security company tells the Patent Trial and Appeal Board that 14 claims of a Symantec Corp. patent would have been obvious to a person of ordinary skill in the art, in view of a combination of two prior art patent applications (Zscaler Inc. v. Symantec Corp., No. IPR2018-00912, PTAB)....