Appeal No. 2006-2423 Page 5 Application No. 10/297,871 Appellants argued that prima facie obviousness had not been established because Lindenbaum was not analogous art to the claimed subject matter since it taught formulations for enhancing hair or nail growth, not hair dyes. Brief, pages 5-6. They also contended that “the Lindenbaum reference teaches away from addition to a dye composition since it restores the natural color of the hair.” Id., page 8. A prerequisite to a finding of obviousness is a determination of what constitutes “prior art” to the claimed subject matter. In re Clay, 966 F.2d 656, 658, 23 USPQ2d 1058, 1060 (Fed. Cir. 1992). This inquiry, “frequently couched in terms of whether the art is analogous or not,” is necessary in order to ascertain whether “the differences between the subject matter sought to be patented and the prior art are such that the subject matter as a whole would have been obvious at the time the invention was made to a person having ordinary skill in the art.” 35 U.S.C. § 103; Clay, 966 F.2d at 658, 23 USPQ2d at 1060. “Two criteria have evolved for determining whether prior art is analogous: (1) whether the art is from the same field of endeavor, regardless of the problem addressed, and (2) if the reference is not within the field of the inventor’s endeavor, whether the reference still is reasonably pertinent to the particular problem with which the inventor is involved. In re Deminski, 796 F.2d 436, 442, 230 USPQ 313, 315 (Fed.Cir.1986); In re Wood, 599 F.2d 1032, 1036, 202 USPQ 171, 174 (CCPA 1979).” Clay, 966 F.2d at 658-59, 23 USPQ2d at 1060. We agree with Appellants that Gast and Lindenbaum are not properly combinable because they are not analogous prior art. As argued by Appellants, Gast is concerned with changing the natural color of hair by applying a hair dye. Lindenbaum, on the hand, describes a formulation for growing hair that has the “unexpected result” ofPage: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007