Apple is suing the Taiwanese handset maker HTC, alleging that it has infringed 20 patents relating to "the iPhone's user interface, underlying architecture and hardware". Among the patents that Apple alleges have been infringed are a number relating to touchscreen interfaces – for which the iPhone has become the best-known, though it was not the first, mobile device. http://www.guardian.co.uk/technology/2010/mar/02/apple-sues-htc-iphone-paten...