graham factors
Graham factors. Patents. A three-part test for determining obviousness under § 103 of the Patent Act of 1952, looking at (1) the scope and content of the prior art, (2) the differences between the prior art and the patent claims, and (3) the level of ordinary skill in the pertinent art. Graham v. John Deere Co. of Kansas City, 383 U.S. 1, 86 S.Ct. 684 (1966). See NONOBVIOUSNESS. [Cases: Patents 16. C.J.S. Patents § 68.]
