Ex Parte DE SORGO - Page 3




              Appeal No. 2003-0672                                                                  Page 3                 
              Application No. 09/151,886                                                                                   


                     Rather than reiterate the conflicting viewpoints advanced by the examiner and                         
              the appellant regarding the above-noted rejection, we make reference to the answer                           
              (Paper No. 28, mailed September 24, 2002) for the examiner's complete reasoning in                           
              support of the rejection, and to the brief (Paper No. 27, filed August 12, 2002) and reply                   
              brief (Paper No. 29, filed December 3, 2002) for the appellant's arguments                                   
              thereagainst.                                                                                                


                                                        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 references, and to the                    
              respective positions articulated by the appellant and the examiner.  Upon evaluation of                      
              all the evidence before us, it is our conclusion that the evidence adduced by the                            
              examiner is insufficient to establish a prima facie case of obviousness with respect to                      
              the claims under appeal.  Accordingly, we will not sustain the examiner's rejection of                       
              claims 1, 3 to 6, 9 to 12, 16, 18 to 21, 24 to 27, 31, 33 to 36 and 39 to 42 under                           
              35 U.S.C. § 103.  Our reasoning for this determination follows.                                              


                     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                           








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