Appeal No. 96-4180
Application No. 08/225,138
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). "Obviousness may not be
established using hindsight or in view of the teachings or
suggestions of the inventor." Para-Ordnance Mfg., 73 F.3d at
1087, 37 USPQ2d at 1239, citing
W. L. Gore, 721 F.2d at 1551, 1553, 220 USPQ at 311, 312-13.
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