Ex parte WARREN et al. - Page 4




          Appeal No. 1996-1513                                       Page 4           
          Application No. 08/241,555                                                  


          expectation that racemic borneol would likewise repel Aedes                 
          aegyptae.  See Answer, pages 5 and 6.  We concur with the                   
          examiners finding, albeit not with his conclusion.                          
               When rejecting a claim under the enablement requirement of             
          Section 112, the PTO bears the initial burden of setting forth              
          a reasonable explanation as to why it believes the scope of                 
          protection provided by the claimed subject matter is not                    
          adequately enabled by the description of the invention provided             
          in the specification of the application.  This includes                     
          providing sufficient reasons for doubting any assertions in the             
          specification as to the scope of enablement.  If this burden is             
          met, the burden then shifts to the applicant to provide                     
          suitable proof that the specification is enabling.  See In re               
          Wright 999 F.2d 1557, 1561, 27 USPQ2d 1510, 1513 (Fed. Cir.                 
          1993); In re Marzocchi 439 F.2d 220, 223, 169 USPQ 367, 369 (               
          CCPA 1971).  Although the examiner has provided some basis for              
          doubting that a single enantiomorph of borneol is a repellent               
          for Aedes aegyptae, the examiner has not correctly considered               
          the enablement provided by appellants’ description of the                   
          invention in the specification.                                             








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