Ex parte CHANG et al. - Page 7




          Appeal No. 1998-1094                                                        
          Application 08/497,064                                                      


                                                                                     
               Rejections under 35 U.S.C. § 103                                       
               There are two separate sets of claims rejected on two                  
          separate grounds.  However, we first outline the criteria for               
          a rejection under 35 U.S.C. § 103.  As a general proposition                
          in an appeal involving a rejection under 35 U.S.C. § 103, an                
          Examiner is under a burden to make out a prima facie case of                
          obviousness.  If that burden is met, the burden of going                    
          forward then shifts to the applicant to overcome the prima                  
          facie case with argument and/or evidence.  Obviousness is then              
          determined on the basis of the evidence as a whole and the                  
          relative persuasiveness of the arguments.  See In re Oetiker,               
          977 F.2d 1443, 1445, 24 USPQ2d 1443, 1444 (Fed. Cir. 1992); In              
          re Hedges, 783 F.2d 1038, 1039, 228 USPQ 685, 686 (Fed. Cir.                
          1986); In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788               
          (Fed. Cir. 1984); and In re Rinehart, 531 F.2d 1048, 1052, 189              
          USPQ 143, 147 (CCPA 1976).                                                  


               Now we analyze the two sets of claims separately.                      
               Claims 5 to 20                                                         
               These claims are rejected over Dupressoir and APA.  We                 
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