Ex parte TAKAHASHI - Page 6




          Appeal No. 96-1489                                                          
          Application 08/139,876                                                      


          conclusion, not merely per se rules, which rationale the                    
          examiner has not persuasively argued to us.                                 
               The prior art relied upon by itself does not suggest the               
          desirability of the proposed modification.  In re Fritch,                   
          972 F.2d 1260, 1266, 23 F.2d 1780, 1783-84 (Fed. Cir. 1992).                
          In order for us to sustain the examiner’s rejection under                   
          35 U.S.C. § 103, we would need to resort to speculation or                  
          unfounded assumptions or rationales to supply deficiencies in               
          the factual basis of the rejection before us.  In re Warner,                
          379 F.2d 1011, 1017, 154 USPQ 173, 178 (CCPA 1967), cert.                   
          denied, 389 U.S. 1057 (1968), rehearing denied, 390 U.S. 1000               
          (1968).                                                                     
               In view of the foregoing, the decision of the examiner                 
          rejecting claims 1-6 under 35 U.S.C. § 103 is reversed.                     
                                      REVERSED                                        





          JAMES D. THOMAS                 )                                           
               Administrative Patent Judge     )                                      
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