Ex Parte MACLEOD - Page 6


                   Appeal No.  2001-1651                                                                  Page 6                     
                   Application No.  09/238,972                                                                                       
                   the invention as broadly as claimed without having to resort to undue                                             
                   experimentation.  See In re Vaeck, 947 F.2d 488, 496, 20 USPQ2d 1438, 1445                                        
                   (Fed. Cir. 1991).  In considering this issue, we note that appellant is not required                              
                   to disclose every parameter encompassed by the claims.  See In re Angstadt,                                       
                   537 F.2d 498, 503, 190 USPQ 214, 218 (CCPA 1976).  Furthermore, while some                                        
                   experimentation may be necessary, that does not preclude enablement; what is                                      
                   required is that the amount of experimentation “must not be unduly extensive.”                                    
                   Atlas Powder Co. v. E.I. DuPont de Nemours & Co., 750 F.2d 1569, 1576, 224                                        
                   USOQ 409, 413 (Fed. Cir. 1984).                                                                                   
                           On this record, the examiner finds (Answer, page 5),                                                      
                           the specification is only enabling for claims limited to an antisense                                     
                           oligo consisting of SEQ ID NO:2 and a method of inhibiting CAT2                                           
                           expression using said antisense oligo.  The specification does not                                        
                           enable any person skilled in the art to which it pertains, or with                                        
                           which it is most nearly connected, to make and/or use the invention                                       
                           commensurate in scope with … [claims 1-9 and 16].                                                         
                   According to the examiner (Answer, page 6), “[a]lthough the specification                                         
                   provides guidance on a singular antisense oligo (SEQ ID NO: 2), it is well known                                  
                   by those skilled in the art that identification of target sites in a given mRNA at                                
                   which antisense oligos bind to cause inhibition of translation is an unpredictable                                
                   art.”                                                                                                             
                           With reference to Hoke, the examiner finds (Answer, page 7) that                                          
                   screening                                                                                                         
                           different sites on a given mRNA to find oligo binding sites for                                           
                           inhibition of translation, may fail to identify such sites in the 5’                                      
                           untranslated region, the coding region, or in the 3’ untranslated                                         
                           region of the mRNA and that an oligo binding site that is located                                         







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