Appeal No. 2002-0993 Page 18
Application No. 09/368,781
Evidence 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." Thus,
when an examiner relies on general knowledge to negate patentability, that knowledge
must be articulated and placed on the record. See In re Lee, 277 F.3d 1338, 1342-45,
61 USPQ2d 1430, 1433-35 (Fed. Cir. 2002). See also In re Dembiczak, 175 F.3d 994,
999, 50 USPQ2d 1614, 1617 (Fed. Cir. 1999).
Since there is no evidence in the rejection before us in this appeal that it would
have been obvious at the time the invention was made to a person of ordinary skill in
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