Appeal No. 1998-1389 Page 12
Application No. 08/553232
combination, citing ACS Hospital Systems, Inc. v. Montefiore
Hospital, 732 F.2d 1572, 1577, 221 USPQ 929, 933 (Fed. Cir.
1984). Appellants note (brief, pages 8 and 9) that Brotsky is
directed to a graphics editor that uses an ACG for a user
interface. The interface separates the nodes according to
their function. This permits the graphic image to be
constructed in a straightforward manner that is easily
understood and manipulated by a user, and prevents confusion
between the effects of the individual nodes on the output
image. Appellants take the position (brief, page 8) that to
modify the viewer window of Brotsky by incorporating the
layout image attributes of Smith would destroy the intended
purpose of the graphics editor of Brotsky, and (brief, page
10) would be impermissible hindsight. Appellants assert
(brief, pages 10 and 11) that the field of appellants'
endeavor is image composition. According to appellants, Smith
is directed to a document management and production system
that is concerned with the layout of objects within a
document, such as a newspaper. Smith "does not teach editing,
constructing, or manipulating images in any way." Therefore,
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