Ex parte TERASAWA et al. - Page 1





                    The opinion in support of the decision being entered today was not written for                        
                                publication and is not binding precedent of the Board.                                    

                                                                                         Paper No. 53                     

                               UNITED STATES PATENT AND TRADEMARK OFFICE                                                  
                                                      __________                                                          
                                   BEFORE THE BOARD OF PATENT APPEALS                                                     
                                               AND INTERFERENCES                                                          
                                                      __________                                                          
                                   Ex parte HIROKUMI TERASAWA, AKIO EJIMA,                                                
                                       SATORU OHSUKI, and KOUICHI UOTO                                                    
                                                      __________                                                          
                                                 Appeal No. 1998-2587                                                     
                                              Application No. 08/451,993                                                  
                                                      __________                                                          
                                                 HEARD:  April 3, 2001                                                    
                                                      __________                                                          
                 Before WINTERS, SCHEINER, and GRIMES,  Administrative  Patent Judges.                                    
                 GRIMES,  Administrative Patent Judge.                                                                    

                                               DECISION ON APPEAL                                                         
                         This is a decision on appeal under 35 U.S.C. § 134 from the examiner’s                           
                 final rejection of claims 1, 14-25, 28, 37, and 38, all of the claims remaining in the                   
                 application.  Claim 1 is directed to a genus of hexacyclic compounds related to                          
                 camptothecin; the structure of the claimed genus is shown on page 2 of the                               
                 specification.  Claims 14-23, 37, and 38 are directed to various subgenera of the                        
                 genus of claim 1, claims 24 and 25 are directed to specific compounds within the                         
                 genus of claim 1, and claim 28 is directed to a pharmaceutical composition                               






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