Ex parte ARKENS et al. - Page 8




          Appeal No. 1998-3158                                                        
          Application No. 08/467,634                                                  


          obviousness to be established over the applied references,                  
          these references must have fairly suggested, to one of                      
          ordinary skill in the art, combining their teachings to arrive              
          at the claimed invention.  As discussed above, the examiner                 
          has not set forth a convincing reason as to why the references              
          would have provided one of ordinary skill in the art with such              
          a suggestion.  Instead, the examiner has relied upon                        
          impermissible hindsight for motivation to combine the                       
          teachings of the references.  See W.L. Gore & Associates v.                 
          Garlock, Inc., 721 F.2d 1540, 1553, 220 USPQ 303, 312-13 (Fed.              
          Cir. 1983), cert. denied, 469 U.S. 851 (1984); In re                        
          Rothermel, 276 F.2d 393, 396, 125 USPQ 328, 331 (CCPA 1960).                
               For the above reasons we conclude that, on this record,                
          the examiner has not established a prima facie case of                      
          obviousness of appellants’ claimed invention.                               










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