Ex Parte OKUSHIN - 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                                    for publication and is not binding precedent of the Board.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. 22                 

                         UNITED STATES PATENT AND TRADEMARK OFFICE                                                        
                                                     __________                                                           

                               BEFORE THE BOARD OF PATENT APPEALS                                                         
                                             AND INTERFERENCES                                                            
                                                      __________                                                          
                                             Ex parte HIROAKI OKUSHIN                                                     
                                                     ___________                                                          
                                                Appeal No. 2002-1728                                                      
                                              Application No. 09/339,239                                                  
                                                      __________                                                          
                                              HEARD:  January 21, 2003                                                    
                                                      __________                                                          
              Before WINTERS, METZ, and ADAMS, Administrative Patent Judges.                                              
              WINTERS, Administrative Patent Judge.                                                                       
                                                DECISION ON APPEAL                                                        

                     This appeal was taken from the examiner's decision rejecting claims 18 through                       
              23 and 25, which are all of the claims remaining in the application.                                        


                                                     The Invention                                                        
                     The present invention relates to a therapeutic agent for persistent disappearance                    
              (persistent seronegative) of hepatitis B virus (HBV)-DNA in treating chronic hepatitis B.                   
              More specifically, the invention relates to a method for treating hepatitis B comprising                    
              administering a daily effective dose of $-interferon in a plurality of individual doses                     






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