Wi-LAN Inc., together with its subsidiaries, engages in the acquisition, development, and licensing of technology intellectual properties that drive products in communication and consumer electronics markets. The company holds and licenses a portfolio of patented inventions in the technology areas of wireless technologies, wireline technologies, and digitial television and display technologies in the United States, Europe, Asia, and Canada. Its wireless technology portfolio consists of over 1000 issued and pending patents, including patents related to Wi-Fi, Bluetooth, and various 3G and 4G cellular technologies; wireline technology portfolio comprises over 300 issued and pending patents related to DSL and DOCSIS techologies; and Digital TV and display technology portfolio consists of over 1500 issued and pending patents including patents related to V-Chip technology that allows users of digital television receivers to filter out programming that they consider inappropriate. The company licenses its patented inventions to companies that manufacture or sell a range of communication and consumer electronics products, including 3G cellular handsets, Wi-Fi-enabled laptops, Wi-Fi/DSL routers, xDSL infrastructure, WiMAX base stations, Bluetooth-enabled devices, and digital television receivers. Wi-LAN Inc. was founded in 1992 and is headquartered in Ottawa, Canada.