Appeal No. 94-3710
Application 07/777,608
1, 6 (Fed. Cir. 1983). Here, the examiner has not explained
why the prior art would have led one of ordinary skill in the
art to set an inclusion bit associated with an entry in a data
cache so as to indicate an association between the data cache
entry and an entry in a segment descriptor cache. The mere
fact that a modification to a reference would, in hindsight,
make for a more efficient system does not mean that the
modification would have been obvious to a person of ordinary
skill in the art. See In re Fine, 837 F.2d 1071, 1075, 5
USPQ2d 1596, 1600 (Fed. Cir. 1988).
For the foregoing reasons, we do not sustain the
rejection of claims 1-6 as being unpatentable over Kaplinsky
and Cepulis.
Conclusion
The rejection of claims 1-6 as being unpatentable over
Kaplinsky and Cepulis is reversed.
REVERSED
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