Ex Parte MIZUNO et al - Page 4




          Appeal No. 2000-0452                                                        
          Application No. 08/622,389                                                  

                                       OPINION                                        
               We have considered the rejections advanced by the examiner             
          and the supporting arguments.  We have, likewise, reviewed the              
          appellants’ arguments set forth in the briefs.                              
               We reverse.                                                            
               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).                                                                
               Appellants argue (brief at page 6) that “[a]lthough Kamisaka           
          [or Tomisawa] teaches a logic unit . . ., there would be no                 
          motivation to combine these two references in the manner asserted           





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