On December 30th, Unified Patents (Unified) filed an inter-partes review (IPR) against patent owner Custom Media LLC (Custom Media) in order to protect Content Delivery technologies from invalid NPE assertions. Custom Media is a subsidiary Empire IP LLC. Custom Media claims its patent covers customizing and distributing presentations to user sites. Custom Media filed 8 cases against content delivery companies in August, 2013. On August 11, 2014, Cisco filed an IPR against Custom Media's patent, U.S. Pat. No 6,269,275 ('275 patent). Unified filed its own IPR challenging claims 1-24 of the '275 patent. A copy of the filing can be found below.