Some challenged claims of Smith Interface Technologies LLC’s patent that generally relates to touch screens are unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in an inter partes review by Apple Inc. According to the board, some challenged claims are obvious over various combinations of prior art, including prior art that relates to components of computer operating systems, describes ways for interpreting manual swipe gestures as input in connection with touch-sensitive user interfaces that include virtual keyboards, and describes an application-programming interface for applications to extend the input received from various multi-touch hardware devices to ...
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