Patentable subject matter (i.e. what kinds of things can be patented) includes processes, machines, articles of manufacture, and compositions of matter. 35 U.S.C. §101. Abstract ideas, natural phenomena, and laws of nature are non-patentable (or non-statutory) subject matter. Computerized methods of doing business are increasingly likely to be rejected as non-patentable subject matter by the PTO, and the courts are becoming more likely to affirm these rejections. In re Comiskey, 499 F.3d 1365 (Fed. Cir. Sept. 20, 2007) is such a case.
Continue Reading The Federal Circuit Finds Mental Process Unpatentable




