Ex parte LEONHARDT et al. - Page 4




          Appeal No. 1998-2914                                                        
          Application 08/510,971                                                      

                                       OPINION                                        
               We have carefully reviewed the appellants' invention as                
          described in the specification, the appealed claims, and the                
          respective positions advanced by the appellants in the brief                
          and by the examiner in the answer.  As a consequence of this                
          review, we will not sustain either of the above-noted                       
          rejections.                                                                 
               Considering first the rejection of claims 1-10 under                   
          35 U.S.C. § 112, first paragraph, we initially note that the                
          test regarding enablement is whether the disclosure, as filed,              
          is sufficiently complete to enable one of ordinary skill in                 
          the art to make and use the claimed invention without undue                 
          experi-mentation.  In re Wands, 858 F.2d 731, 737, 8 USPQ2d                 
          1400, 1404 (Fed. Cir. 1988) and In re Scarbrough, 500 F.2d                  
          560, 566,                                                                   
          182 USPQ 298, 302 (CCPA 1974).  The experimentation required,               
          in addition to not being undue, must not require ingenuity                  
          beyond that expected of one of ordinary skill in the art.  See              
          In re Angstadt, 537 F.2d 498, 504, 190 USPQ 214, 218 (CCPA                  
          1976).                                                                      
               It is also well settled that the examiner has the initial              

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