algorithm

algorithm. Patents. A mathematical or logical process consisting of a series of steps, designed to solve a specific type of problem. • Algorithms were long considered abstract ideas and therefore unpatentable subject matter. But in 1998, the U.S. Court of Appeals for the Federal Circuit found valid a patent on financial software as “a practical application of a mathematical algorithm [that] produces a useful, concrete and tangible result.” State St. Bank & Trust Co. v. Signature Fin. Group, 149 F.3d 1368, 1373 (Fed. Cir. 1998). That precedent makes it easier to patent computer software, which consists almost entirely of algorithms. [Cases: Patents

6. C.J.S. Patents §§ 26–27.]


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