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AN HISTORICAL PERSPECTIVE ON PATENT PROTECTION
The Rise and Fall of the Algorithm
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abstract ideas Alappat apparatus claims article of manufacture attribute data objects CCPA claim language claim recites claimed invention comprising computer program computer-related inventions contributed property Corp data structure decision define determine Diehr disclosed disclosure display doctrine of equivalents elements embodied example Federal Circuit Freeman-Walter-Abele test functional descriptive material GoTo hardware identify implementation infringement input intellectual property issue law of nature limited litigation Lowry machine or manufacture manipulation mathematical algorithm mathematical operations memory method claims natural phenomena non-functional descriptive material nonstatutory Office personnel output patent application patent claim patent examiners patent protection patentable subject matter performed physical transformation practical application printed matter prior art process activity process claim programmed computer prosecution history estoppel rejection Schrader claim signals software patents specific machine statutory subject matter steps stored subroutine Supreme Court technological arts trade secret U.S. Patent USPQ USPQ2d Warmerdam