Appeal No. 1998-1657 Page 13
Application No. 08/674,282
based on the state of at least one of said latch
nodes.
Accordingly, the limitations of claims 5-7, 20-26, and 28-39
require a local column read amplifier coupled to data read
lines and to an internal node of a sense amplifier latch.
The examiner fails to show a suggestion of the
limitations in the prior art. “Obviousness may not be
established using hindsight or in view of the teachings or
suggestions of the inventor.” Para-Ordnance Mfg. v. SGS
Importers Int’l, 73 F.3d 1085, 1087, 37 USPQ2d 1237, 1239
(Fed. Cir. 1995)(citing W.L. Gore & Assocs., Inc. v. Garlock,
Inc., 721 F.2d 1540, 1551, 1553, 220 USPQ 303, 311, 312-13
(Fed. Cir. 1983)). “The 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, 23 USPQ2d 1780, 1783-84
(Fed. Cir. 1992) (citing In re Gordon, 733 F.2d 900, 902, 221
USPQ 1125, 1127 (Fed. Cir. 1984)).
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