Dozens of companies sued over packet radio patent

A Virginia company has filed a suit in a Texas district court alleging that a  large number of firms is infringing two patents it claims its own.

Wiav Networks is suing 3Com, Acer, Apple, Asus, Belkin, Brother, Buffalo, Canon,  Cisco, Dell, D-Link, Epson, the Franklin Wireless Corporation, Fujitsu, Gateway, General Dynamics Itronix, Hewlett Packard, Huawei, Lenvo, Lexmark, Linksys, Motorola, Netgear, Nintendo, Nokia, Novatel Wireless, Option Wireless, Palm, Panasonic, Seiko, Sharp, Sierra Wireless, Sony, Sony Ericsson, Toshiba, UTstarcom, Xerox and ZTE Corporation.

The patents in question are US 6,480,497 and 5,400,338 called Method and Apparatus for Maximizing Data Throughput in a Packet Radio Mesh Network and Parasitic Adoption of Coordinate-Based Addressing by Roaming Node, respectively.

The complaint covers a vast number of products. For example, it’s alleged that  Acer uses the 497 patent in devices including the TravelMate, Aspire, Extensa and Aspire One notebooks.

Apple, it’s alleged infringes the 497 patent in the Macbook, MacBook Pro, and MacBook Air as well as the iPhone 3G and iPhone 3G S machines.

D-Link is alleged to use the 497 patent in a number of bridges and routers, while Lenovo has used the 497 patent in ThinkPads and IdeaPad machines. Lexmark is alleged to have infringed the patent by using it in its Z, X, C and E series of  printer and multifunction products.