Microsoft, Apple , LG and 20 other similar companies have all been sued this week for patent infringement by Tsera , a Texas-based business that is claiming to have invented the touchpad used today in many media devices. In the filing, Tsera alleges that they own “all rights, title and interest in” patents related to “methods and apparatus for controlling a portable electronic device using a touchpad.” The patents were filed in 1999 and granted in 2003. The complaint claims patent infringement on the Apple iPod classic and Nano , the Microsoft Zune , and a plethora of other devices including the LG Chocolate VX8500
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Apple, Microsoft sued over touchpads in Zune, iPod
