The opinion in support of the decision being entered today was not written for publication and is not binding precedent of the Board.
Paper No. 47
UNITED STATES PATENT AND TRADEMARK OFFICE
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BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte I-SHIN ANDY WANG and JY-JINE JAMES LIN
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Appeal No. 2003-0513
Application No. 08/655,879
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ON BRIEF
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Before HAIRSTON, BARRY, and SAADAT, Administrative Patent Judges.
BARRY, Administrative Patent Judge.
DECISION ON APPEAL
A patent examiner rejected claims 10-13, 15-18, 20-22, and 25. The appellants
appeal therefrom under 35 U.S.C. § 134(a). We reverse.
BACKGROUND
The invention at issue on appeal tracks and propagates updates in a "message-
driven system." In a message-driven system, the state of a component may depend on
the state of other components. (Spec. at 1.) More specifically, a component may be a
"guardian" or a "dependent;" the state of a dependent depends on the state of a
guardian. (Id. at 4.) A guardian, however, may not always propagate its state change
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