Ex Parte STILL et al - Page 6


                  Appeal No. 2003-0998                                                           Page 6                    
                  Application No. 08/676,143                                                                               

                  hydrocarbon templates would share the utility of the genus of polycyclic aliphatic                       
                  hydrocarbons and monocyclic heterocycles.”  Appeal Brief, pages 8-9.                                     
                         As Appellants point out, the initial burden of showing nonenablement is on                        
                  the examiner.  “[A] specification disclosure which contains a teaching of the                            
                  manner and process of making and using the invention in terms which                                      
                  correspond in scope to those used in describing and defining the subject matter                          
                  sought to be patented must be taken as in compliance with the enabling                                   
                  requirement of the first paragraph of § 112 unless there is reason to doubt the                          
                  objective truth of the statements contained therein which must be relied on for                          
                  enabling support.”  In re Marzocchi, 439 F.2d 220, 223, 169 USPQ 367, 369                                
                  (CCPA 1971), emphasis in original.  See also In re Wright, 999 F.2d 1557, 1561-                          
                  62, 27 USPQ2d 1510, 1513 (Fed. Cir. 1993):                                                               
                         [T]he PTO bears an initial burden of setting forth a reasonable                                   
                         explanation as to why it believes that the scope of protection                                    
                         provided by that claim is not adequately enabled by the description                               
                         of the invention provided in the specification of the application; this                           
                         includes, of course, providing sufficient reasons for doubting any                                
                         assertions in the specification as to the scope of enablement.  If the                            
                         PTO meets this burden, the burden then shifts to the applicant to                                 
                         provide suitable proofs indicating that the specification is indeed                               
                         enabling.                                                                                         
                         We agree with Appellants that the examiner has not carried the initial                            
                  burden of showing that the claims are not enabled by the specification’s                                 
                  disclosure.  With regard to making the claimed libraries, the examiner found that:                       
                         (1) the claims do not define specific chemical structures for the templates                       
                  of the recited synthetic receptors;                                                                      
                         (2) the working examples in the specification do not show all of the                              
                  templates encompassed by the claims;                                                                     






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