CRFD Research, a subsidiary of Marathon Patent Group, has added seven companies to a pair of campaigns it launched in January 2014. In five separate suits, CRFD accuses Amazon, Cellco, Hulu, Netflix, Spotify, Terremark, and Verizon of infringing at least one of two previously-litigated patents (7,191,233, 7,574,486). The ‘233 patent relates to a system for redirecting streaming media content from one device to another and is asserted against all seven defendants. The ‘486 patent covers a system for reformatting web page content on a mobile device and is asserted against Amazon, Cellco, Terremark, and Verizon. Initial filings concurrently asserted the two patents-in-suit separately, but each case accuses similar streaming media services and devices. RPX reviewed a portfolio that included ‘233 and ‘486 in an open market opportunity in 2012 (Telecommunication  Systems) and again in 2013 (Telecomm Systems Wireless-OMA). Companies previously sued by CRFD include Akamai, AT&T, Cablevision, Comcast, Cox Communications, DirecTV, DISH Network, Level 3 Communications, Limelight Network, and Time Warner Cable. 3/7, Delaware District Court, 1:14cv00312, 1:14cv00313, 1:14cv00314, 1:14cv00315, 1:14cv00316