Appeal No. 1998-0870
Application No. 08/325,015
Gechter v. Davidson, 116 F.3d 1454, 1457, 1460 n.3, 43 USPQ2d
1030, 1032, 1035 n.3(Fed. Cir. 1997); In re Paulsen, 30 F.3d
1475, 1479, 31 USPQ2d 1671, 1674 (Fed. Cir. 1994). In
proceed-ings before the U.S. Patent and Trademark Office,
claims are interpreted by giving words their broadest
reasonable meaning in their ordinary usage, taking into
account the written description found in the specification.
In re Morris, 127 F.3d 1048, 1054, 44 USPQ2d 1023, 1027 (Fed.
Cir. 1997)(“The PTO applies to the verbiage of the proposed
claims the broadest reasonable meaning of the words in their
ordinary usage as they would be understood by one of ordinary
skill in the art.”); In re Sneed, 710 F.2d 1544, 1548, 218
USPQ 385, 388 (Fed. Cir. 1983).
As seen from reproduced claim 1 above, appellants’
claimed subject matter calls for a display device comprising a
display screen having an antistatic, light absorbing coating
which contains latex particles of electroconductive
polypyrrole, wherein the coating “predominately consists of” a
homogeneous mixture of latex particles of polypyrrole, a
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