Ex parte BIERLY - Page 4




          Appeal No. 2000-0487                                       Page 4           
          Application No. 08/856,228                                                  


                                       OPINION                                        
               In reaching our decision in this appeal, we have given                 
          careful consideration to the appellant's specification and                  
          claims, to the applied prior art, and to the respective                     
          positions articulated by the appellant and the examiner.  As a              
          consequence of our review, we make the determinations which                 
          follow.                                                                     


          Claims 7 to 9, 11, 12 and 20                                                
               We will not sustain the rejection of claims 7 to 9, 11,                
          12 and 20 under 35 U.S.C. § 103.                                            


               In rejecting claims under 35 U.S.C. § 103, the examiner                
          bears the initial burden of presenting a prima facie case of                
          obviousness.  See In re Rijckaert, 9 F.3d 1531, 1532, 28                    
          USPQ2d 1955, 1956 (Fed. Cir. 1993).  A prima facie case of                  
          obviousness is established by presenting evidence that the                  
          reference teachings would appear to be sufficient for one of                
          ordinary skill in the relevant art having the references                    
          before him to make the proposed combination or other                        
          modification.  See In re Lintner, 458 F.2d 1013, 1016, 173                  







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