Appeal No. 1997-4111 Page 6
Application No. 08/540,947
The written description requirement
The written description requirement serves "to ensure
that the inventor had possession, as of the filing date of the
application relied on, of the specific subject matter later
claimed by him; how the specification accomplishes this is not
material." In re Wertheim, 541 F.2d 257, 262, 191 USPQ 90, 96
(CCPA 1976). In order to meet the written description
requirement, the appellants do not have to utilize any
particular form of disclosure to describe the subject matter
claimed, but "the description must clearly allow persons of
ordinary skill in
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