Appeal No. 1999-1924 Page 5 Application No. 08/486,545 same invention or an obvious modification of the same invention claimed in that inventor's first patent. See In re Longi, 759 F.2d 887, 892, 225 USPQ 645, 648 (Fed. Cir. 1985). The basic concept of double patenting is that the same invention cannot be patented more than once since to do so would result in a second patent that would expire some time after the first patent expired and extend the protection timewise. General Foods Corp. v. Studiengesellschaft Kohle mbH, 972 F.2d 1272, 1279-80, 23 USPQ2d 1839, 1845 (Fed. Cir. 1992); In re Kaplan, 789 F.2d 1574, 1579-80, 229 USPQ 678, 683 (Fed. Cir. 1986). 35 U.S.C. § 101 states "Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor..." (Emphasis added). The prohibition of double patenting of the same invention is based on 35 U.S.C. § 101. In re Goodman, 11 F.3d 1046, 1052, 29 USPQ2d 2010, 2015 (Fed. Cir. 1993); Longi, 759 F.2d at 892, 225 USPQ at 648. By "same invention," the court meansPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007