Ex parte KATO et al. - Page 19




          Appeal No. 1998-2817                                                        
          Application No. 08/455,366                                                  




          in fact, recognize that for wearing stability the decay of the              
          elastic waistband over a number of cycles, which the reference              
          refers to as elastic creep, should be kept to a minimum.  See               
          Weil, col. 3, ll. 51-59.                                                    
               Also, the appellants describe Ales and Weil as lacking                 
          any teaching with respect to the problem addressed by the                   
          appellants’ invention and argue that the failure of the art to              
          address the problem of elastic decay should be taken into                   
          account when deciding whether the references can be combined                
          under 35 U.S.C.                                                             
          § 103.                                                                      
               This argument is not persuasive since the “[m]ere                      
          recognition of latent properties in the prior art does not                  
          render nonobvious an otherwise known invention” (In re Baxter               
          Travenol Labs, 952 F.2d 388, 392, 21 USPQ2d 1282, 1285 (Fed.                
          Cir. 1991)) and “[t]he fact that appellant has recognized                   
          another advantage which would flow naturally from following                 
          the suggestion of the prior art cannot be the basis for                     
          patentability when the differences would otherwise have been                
          obvious” (Ex parte Obiaya, 227 USPQ 58 (Bd. Pat. App. & Int.                
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