Appeal No. 96-3700
Application 08/306,795
claimed invention by the express teachings or suggestions
found in the prior art, or by implications contained in such
teachings
or suggestions. In re Sernaker, 702 F.2d 989, 995, 217 USPQ
1, 6 (Fed. Cir. 1983). "Additionally, when determining obvi-
ousness, the claimed invention should be considered as a
whole; there is
no legally recognizable 'heart' of the invention." Para-
Ordnance Mfg. v. SGS Importers Int’l, Inc., 73 F.3d 1085,
1087, 37 USPQ2d
1237, 1239 (Fed. Cir. 1995), cert. denied, 117 S.Ct. 80 (1996)
citing W. L. Gore & Assocs., Inc. v. Garlock, Inc., 721 F.2d
1540, 1548, 220 USPQ 303, 309 (Fed. Cir. 1983), cert. denied,
469 U.S. 851 (1984).
Appellants argue on pages 4 and 5 of the brief that
Levi, Kuo and Chiu, together or individually, fail to teach or
suggest the claimed bipolar transistor in which a plurality of
delta-doped layers extend from a base region of the transistor
into the emitter and collector regions to realize enhanced
4
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