Appeal No. 2000-0301 Page 4
Application No. 08/690,402
with respect to the claims under appeal. Accordingly, we will
not sustain the examiner's rejection of claims 1 to 7 under 35
U.S.C. § 103. Our reasoning for this determination follows.
In rejecting claims under 35 U.S.C. § 103, the examiner
bears the initial burden of presenting a prima facie case of
obviousness. See In re Rijckaert, 9 F.3d 1531, 1532, 28
USPQ2d 1955, 1956 (Fed. Cir. 1993). A prima facie case of
obviousness is established by presenting evidence that would 1
1Evidence of a suggestion, teaching, or motivation to
modify a reference may flow from the prior art references
themselves, the knowledge of one of ordinary skill in the art,
or, in some cases, from the nature of the problem to be
solved, see Pro-Mold & Tool Co. v. Great Lakes Plastics, Inc.,
75 F.3d 1568, 1573, 37 USPQ2d 1626, 1630 (Fed. Cir. 1996),
Para-Ordinance Mfg., Inc. v. SGS Importers Int'l., Inc., 73
F.3d 1085, 1088, 37 USPQ2d 1237, 1240 (Fed. Cir. 1995), cert.
denied, 117 S. Ct. 80 (1996), although "the suggestion more
often comes from the teachings of the pertinent references,"
In re Rouffet, 149 F.3d 1350, 1355, 47 USPQ2d 1453, 1456 (Fed.
Cir. 1998). The range of sources available, however, does not
diminish the requirement for actual evidence. That is, the
showing must be clear and particular. See, e.g., C.R. Bard
Inc. v. M3 Sys., Inc., 157 F.3d 1340, 1352, 48 USPQ2d 1225,
1232 (Fed. Cir. 1998), cert. denied, 119 S. Ct. 1804 (1999).
A broad conclusory statement regarding the obviousness of
modifying a reference, standing alone, is not "evidence."
E.g., McElmurry v. Arkansas Power & Light Co., 995 F.2d 1576,
1578, 27 USPQ2d 1129, 1131 (Fed. Cir. 1993); In re Sichert,
566 F.2d 1154, 1164, 196 USPQ 209, 217 (CCPA 1977). See also
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