WANG V. TUCHOLSKI - Page 30





          Interference No. 103,036                                                    



          does the party Tucholski explain why the examiner's actions in              
          allowing the parties' claims over the references is in error.               
          Clearly, such a showing should have been made.  Cf. Brown v.                
          Bravet, 25 USPQ2d 1147, 1150 (Bd. Pat. App. & Int 1992).                    
                    Accordingly, we hold that the party Tucholski has not             
          sustained its burden to demonstrate a prima facie case for                  
          obviousness of the involved Burroughs et al. claims.  Therefore,            
          we need not evaluate the secondary considerations (long felt need           
          and commercial success).                                                    
























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