Ex parte DAVIS et al. - Page 6




          Appeal No. 95-5069                                                          
          Application No. 08/202,055                                                  


                                     DISCUSSION                                       
               Claims 1, 4, and 5 stand rejected under 35 U.S.C. § 112,               
          first paragraph, as based on a non-enabling disclosure.  This               
          rejection amounts to a requirement that the claims be limited               
          to a method for modifying the carbohydrate moiety on CD2                    
          glyco-proteins rather than "glycoproteins" generically.                     
          According to the examiner, any person skilled in the art to                 
          which the invention pertains "would not know how to use the                 
          claimed system for any glycoprotein other than CD2."  See the               
          Examiner's Answer, page 4, first full paragraph.                            
               In support of that position, the examiner expresses a                  
          belief that some glycoproteins encompassed by claims 1, 4, and              
          5 (other than CD2 glycoproteins) may not work.  Again, see the              
          Examiner's Answer, page 4, first full paragraph, including the              
          examiner's reliance on Peyrieras, Platt, and Romero.  We                    
          disagree with this line of reasoning.                                       
               That some glycoproteins encompassed by the appealed                    
          claims may not work is not sufficient reason to enter a                     
          rejection based on the enablement requirement of 35 U.S.C.                  
          § 112, first paragraph.  As stated in Atlas Powder Co. v. E.I.              



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