relies on Uhrhan. Finding that applicants are using the
Uhrhan compounds for their intended use, the examiner further
found that there was motivation to use the Uhrhan compounds in
place of the hydrazide group-containing compounds of Cook or
Konig.
The mere fact that all of the elements of a claimed
combination are found in the prior art is not per se
sufficient to justify a § 103 rejection. Smith Industries
Medical Systems, Inc. v. Vital Signs, Inc., 183 F.3d 1347,
1356, 51 USPQ2d 1415, 1420-21 (Fed. Cir. 1999) (there is no
basis for concluding that an invention would have been obvious
solely because it is a combination of elements that were known
in the art at the time of the invention. The relevant inquiry
is whether there is a reason, suggestion, or motivation in the
prior art that would lead one of ordinary skill in the art to
combine the teachings of the references, and that would also
suggest a reasonable likelihood of success. Such a suggestion
or motivation may come from the references themselves, from
knowledge by those skilled in the art that certain references
are of special interest in a field, or even from the nature of
the problem to be solved); In re Kotzab, 217 F.3d 1365, ____,
55 USPQ2d 1313, ____ (Fed. Cir. 2000) (identification in the
prior art of each individual part claimed is insufficient to
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