Ex parte PENDERGAST et al. - Page 5




          Appeal No. 95-2700                                                           
          Application 07/956,018                                                       


          obviousness.                                                                 
               While a reaction process may be unpatentable even when                  
          both the starting material and the product are not disclosed                 
          in the prior art, it is well settled that each case must be                  
          decided on its own particular facts.  In re Durden, Jr. 763                  
          F.2d 1406, 1410, 226 USPQ 359, 361 (Fed. Cir 1985).  Also, no                
          per se rule exists that a claimed process is obvious if the                  
          examiner, as here,  shows that the prior art discloses "the                  
          same general process                                                         


          using "similar" starting materials".  In re Ochiai 71 F.3d                   
          1565, 1570, 37 USPQ2d 1127, 1132 (Fed. Cir. 1995).  In the                   
          present case, as in Ochiai, we find, for the reasons set forth               
          above, that the examiner has not established the obviousness                 
          of the claimed process.                                                      
               In conclusion, based on the foregoing, we are constrained               
          to reverse the examiner's rejection.                                         
                                       REVERSED                                        




                    MARY F. DOWNEY               )                                     
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