(July 30, 2020, 1:27 PM EDT) -- ALEXANDRIA, Va. — A patented system and method for selecting and presenting an advertisement based on a natural language, voice-based input would have been obvious to a person of skill in the art (POSITA), Amazon.com Inc. asserts in a July 29 petition for inter partes review (IPR) (Amazon.com Inc., et al. v. VB Assets LLC, No. IPR2020-01390, PTAB)....