Appeal No. 2000-1330 Application No. 08/972,835 one-way function. Therefore, we fail to find that Elander teaches or suggest Appellant's claimed method recited in Appellant's claim 1 or a key distributor recited in Appellant's claim 14, lines 8 through 17. Furthermore, upon our review of Schneier, we fail to find that Schneier closes the gap. The Federal Circuit states that "[t]he mere fact that the prior art may be modified in the manner suggested by the Examiner does not make the modification obvious unless the prior art suggested the desirability of the modification." In re Fritch, 972 F.2d 1260, 1266 n.14, 23 USPQ2d 1780, 1783-84 n.14 (Fed. Cir. 1992), citing In re Gordon, 733 F.2d 900, 902, 221 USPQ 1125, 1127 (Fed. Cir. 1984). It is further established that "[s]uch a suggestion may come from the nature of the problem to be solved, leading inventors to look to references relating to possible solutions to that problem." Pro-Mold & Tool Co. v. Great Lakes Plastics, Inc., 75 F.3d 1568, 1573, 37 USPQ2d 1626, 1630 (Fed. Cir. 1996), citing In re Rinehart, 531 F.2d 1048, 1054, 189 USPQ 143, 149 CCPA 1976) (considering the problem to be solved in a determination of 6Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007