Ex parte MITCHELL et al. - Page 4




          Appeal No. 95-2917                                                            
          Application 08/082,895                                                        


          respective details thereof.                                                   


                                        OPINION                                         
               We will not sustain the rejection of claims 1 and 3                      
          through 29 under 35 U.S.C. §§ 103 or 112.                                     
               In order to comply with the enablement provision of                      
          35 U.S.C. § 112, first paragraph, the disclosure must                         
          adequately describe the claimed invention so that the artisan                 
          could practice it without undue experimentation.  In re                       
          Scarbrough, 500 F.2d 560, 566, 182 USPQ 298, 305(CCPA 1974);                  
          In re Brandstadter, 484 F.2d 1395, 1404, 179 USPQ 286, 293                    
          (CCPA 1973); and In re Gay, 309 F.2d 769, 774, 135 USPQ 311,                  
          316 (CCPA 1962).  If the Examiner had a reasonable basis for                  
          questioning the sufficiency of the disclosure, the burden                     
          shifted to the Appellant to come forward with evidence to                     


          Examiner stated in the Examiner’s letter, mailed March 20, 1998 that the March
          2, 1998 reply brief has been entered and considered but no further response by
          the Examiner is deemed necessary.                                             
               3The Examiner responded to the brief with an Examiner's answer, mailed   
          October 26, 1994.  We will refer to the Examiner's answer as simply the       
          answer.  We note that the answer contains a new ground of rejection rejecting 
          claims 1 and 3 through 29 under 35 U.S.C. § 112, first paragraph. The Examiner
          responded to the reply brief with a supplemental Examiner's answer, mailed    
          December 16, 1997.                                                            
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