Ex parte KYDONIEUS et al. - Page 4




          Appeal No. 1998-2392                                                        
          Application No. 08/338,917                                                  


          viewpoints of appellants and the examiner.  As a consequence                
          of our review, we make the determination which follows.                     
                    We reverse the rejection of claims 1 through 30                   
          under 35 U.S.C. § 112, first paragraph.                                     
                    The text of the rejection before us (answer, pages 3              
          and 4) reveals that the examiner is questioning whether the                 
          claimed invention is based upon an underlying disclosure that               
          is enabling.  To be enabling, a disclosure must contain a                   
          description that enables those skilled in the art to make and               
          use a claimed invention, without undue experimentation.  See                
          Enzo Biochem, Inc. v. Calgene Inc., 188 F.3d 1362, 1371,                    
          52 USPQ2d 1129, 1135 (Fed. Cir. 1999).                                      
                    An examiner has the initial burden of producing                   
          reasons that substantiate a rejection based on lack of enable-              
          ment and must keep in mind that a specification must be taken               
          as in compliance with the enabling requirement of 35 U.S.C. §               
          112, unless there is reason to doubt the objective truth of                 
          the statements contained therein.  See In re Marzocchi, 439                 
          F.2d 220, 223, 169 USPQ 367, 369 (CCPA 1971).                               
                    In the present case, it is apparent to us that the                
          examiner has not satisfied the requisite burden of proof to                 
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