Mealey's (June 13, 2018, 7:10 AM EDT) -- ALEXANDRIA, Va. — A patent covering data compression claims “known compression concepts,” Amazon.com Inc., Hulu LLC and Netflix Inc. assert in a June 4 petition for inter partes review (IPR) by the Patent Trial and Appeal Board (Amazon.com Inc., et al. v. Realtime Adaptive Streaming LLC, No. IPR2018-01187, PTAB)....