Wireless routers are at issue in a campaign by new NPE Wetro Lan, LLC. The entity sued manufacturers of wireless routers, including Actiontec, ADTRAN, Airlink, Asustek, Avaya, Barracuda Networks, Belkin, Comtrend, Cradlepoint, D-Link, Encore, EnGenius, NETGEAR, Newo Corporation, Samsung, and Zhone asserting a single patent (6,795,918). The patent-in-suit was assigned to Wetro Lan by the inventor, and it relates to filtering and managing data packets.