Mealey's (August 29, 2018, 2:48 PM EDT) -- ALEXANDRIA, Va. — A claimed “social network environment” would have been obvious to a person of skill in the art in view of a patent issued to Amazon.com founder Jeff Bezos, two social media companies assert in an Aug. 28 petition for inter partes review (IPR) by the Patent Trial and Appeal Board (Facebook Inc. et al., v. Search and Social Media Partners LLC, No. IPR2018-01620, PTAB)....