Ex Parte Lam 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                   for publication and is not binding precedent of the Board.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. 21                   
                       UNITED STATES PATENT AND TRADEMARK OFFICE                      
                                     ____________                                     
                          BEFORE THE BOARD OF PATENT APPEALS                          
                                   AND INTERFERENCES                                  
                                     ____________                                     
                              Ex parte LAWRENCE KWONG LAM                             
                              and TIMOTHY EDWIN VAN ECK                               
                                      __________                                      
                                 Appeal No. 2003-2106                                 
                              Application No. 09/604,662                              
                                     ____________                                     
                                       ON BRIEF                                       
                                     ____________                                     
          Before HAIRSTON, KRASS, and BARRY, Administrative Patent Judges.            
          HAIRSTON, Administrative Patent Judge.                                      


                                  DECISION ON APPEAL                                  
               This is an appeal from the final rejection of claims 1 through         
          24.                                                                         
               The disclosed invention relates to waveguides in an                    
          interferometer that are electrooptically modulated by at least two          
          electrical signals.                                                         
               Claims 1 and 20 are illustrative of the claimed invention, and         
          they read as follows:                                                       





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