Ex parte CHAN - Page 8




          Appeal No. 1998-2327                                                        
          Application No. 08/467,619                                                  


          features so as to solve the bone cement porosity problem                    
          caused by air entrapment during the bone cement mixing and                  
          transferring process.  These circumstances lead us to conclude              
          that the examiner, in making his § 103 rejection, has fallen                
          victim to the insidious effect of hindsight syndrome wherein                
          that which only the inventor has taught is used against its                 
          teacher.  W.L. Gore & Assocs. v. Garlock, Inc., Id.                         
               For the above-stated reasons, we will not sustain the                  
          examiner’s § 103 rejection of the appealed claims as being                  
          unpatentable over Colin in view of Butler, Yamauchi and Chan.               
              The decision of the examiner is reversed.                              
                                   REVERSED                                           


                                                                                     
               BRADLEY R. GARRIS            )                                         
                    Administrative Patent Judge  )                                    
                                                  )                                   
                                                  )                                   
                                                  )   BOARD OF PATENT                 
                    JEFFREY T. SMITH             )     APPEALS AND                    
                    Administrative Patent Judge  )    INTERFERENCES                   
                                                  )                                   
                                                  )                                   
                                                  )                                   
          BEVERLY A. PAWLIKOWSKI       )                                              
                    Administrative Patent Judge  )                                    


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