The Patent Trial and Appeal Board said that some challenged claims of Smith Interface Technologies LLC’s patent that relates to touch screens and describes altering a user experience based on a received signal are unpatentable as obvious over prior art, in an inter partes review by Apple Inc. The board determined that some claims are unpatentable as obvious over various combinations of prior art, including prior art that relates to a mobile device having a touch sensitive surface and a touch-based zooming control method, that describes a state machine gesture recognition algorithm for interpreting streams of coordinates received from a ...
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