HTC doesn’t deny it used a battery-related patent without a license
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News ViewSonic
Nokia Takes HTC, ViewSonic And RIM To Court Over Patents
Finnish manufacturer accuses competitors of 45 cases of patent infringement
MWC 2012: ViewSonic Launches New Android 4.0 Tablets
ViewSonic has expanded its ViewPad line with new tablet models running Android 4.0 (Ice Cream Sandwich)
Microsoft Hooks Acer, ViewSonic With Android Patents
Microsoft has tied two more companies into patent deals, a continuation of its strategy to pursue Android licencees
ViewPad Tablet Runs Android Over Windows 7
ViewSonic's ViewPad 10pro runs Android "Gingerbread" in Windows 7, thanks to application virtualisation