Wi-LAN Inc. is upping the ante in its fight to get paid by companies that use its patents. The Ottawa-based company has initiated a massive patent infringement suit against 22 companies, including chip makers, equipment vendors and electronics retailers. The suit has been launched in the Eastern District of Texas, Marshall Division and is aimed at the following firms: Acer Inc., Apple Inc., Atheros Communications Inc., Belkin International Inc., Best Buy Co. Inc., Broadcom Corp., Buffalo Technology (USA) Inc., Circuit City Stores Inc., Dell Inc., D-Link Corp., Gateway Inc., Hewlett-Packard Co., Infineon Technologies AG, Intel Corp., Lenovo Group Ltd., Marvell Semiconductor Inc., Netgear Inc., Sony Corp., Texas Instruments Inc., Toshiba Corp., Westell Technologies Inc., and 2Wire Inc. Wi-ALN alleges these companies are infringing on patents or selling products using Wi-LAN patents relating to Wi-Fi and DSL power consumption.