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Is the UI interface on Paper53 patented? Specifically, the screen with the open book where you flip between the pages.

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At Ask Patents on-topic questions are either questions about how the U.S. patent system works or requests for help locating prior to be used against a U.S. patent or patent application. – George White Aug 20 '14 at 18:21
Edited to reflect that – davidkomer Aug 21 '14 at 8:15

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