(October 24, 2017, 1:22 PM EDT) -- ALEXANDRIA, Va. — A patented system and method for providing visually interactive complements to audio programming would have been obvious to a person of skill, according to an Oct. 23 petition for inter partes review before the Patent Trial and Appeal Board (Stingray Digital Group Inc. v. Music Choice, No. IPR2018-00114, PTAB)....