Ex parte SOMMERFELD et al. - Page 4




          Appeal No. 95-3734                                                          
          Application No. 08/043,620                                                  


          regards as the invention" (Examiner's Answer, page 5, first                 
          paragraph).                                                                 
                                    DELIBERATIONS                                     
               Our deliberations in this matter have included evaluation              
          and review of the following materials:  (1) the instant                     
          specification, including all of the claims on appeal; (2) the               
          Appeal Brief; (3) the Examiner's Answer; (4) the above-cited                
          references relied on by the examiner; (5) the Sommerfeld                    
          Declaration executed November 18, 1992; (6) the Schadt                      
          Declaration executed December 2, 1992; (7) the Schadt                       
          Supplemental Declaration executed February 4, 1993; and (8) the             
          Sperling Declaration executed December 22, 1993.                            
               On consideration of the record, including the above-listed             
          materials, we reverse the examiner's rejections.                            
                                     DISCUSSION                                       
               In setting forth the prior art rejection of claims 1 through           
          23, 40 through 42, and 99, the examiner argues that the claimed             
          and prior art products reasonably appear to be identical or                 
          substantially identical, or are produced by identical or                    
          substantially identical processes.  Under these circumstances,              
          the examiner argues, the Patent and Trademark Office (PTO) can              
          require appellants to prove that the prior art products do not              
          necessarily or inherently possess the characteristics of their              
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