Ex Parte WANG et al - Page 1




              The opinion in support of the decision being entered today was not written for publication and is not binding precedent of the Board.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                                              
                                                 ____________                                                  
                             BEFORE THE BOARD OF PATENT APPEALS                                                
                                           AND INTERFERENCES                                                   
                                                 ____________                                                  
                             Ex parte I-SHIN ANDY WANG and JY-JINE JAMES LIN                                   
                                                 ____________                                                  
                                             Appeal No. 2003-0513                                              
                                           Application No. 08/655,879                                          
                                                 ____________                                                  
                                                   ON BRIEF                                                    
                                                 ____________                                                  
             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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