Appeal No. 2000-0258 Page 4
Application No. 08/577,897
examiner's rationale in support of the rejections and arguments
in rebuttal set forth in the examiner's answer.
It is our view, after consideration of the record before us,
that the evidence relied upon and the level of skill in the
particular art would not have suggested to one of ordinary skill
in the art the invention as set forth in claims 1-14.
Accordingly, we reverse, essentially for the reasons set forth by
appellants.
In rejecting claims under 35 U.S.C. § 103, it is incumbent
upon the examiner to establish a factual basis to support the
legal conclusion of obviousness. See In re Fine, 837 F.2d 1071,
1073, 5 USPQ2d 1596, 1598 (Fed. Cir. 1988). In so doing, the
examiner is expected to make the factual determinations set forth
in Graham v. John Deere Co., 383 U.S. 1, 17, 148 USPQ 459, 467
(1966), and to provide a reason why one having ordinary skill in
the pertinent art would have been led to modify the prior art or
to combine prior art references to arrive at the claimed
invention. Such reason must stem from some teaching, suggestion
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