STICE et al v. CAMPBELL et al - Page 5



          Interference 104,746                                    Paper 123           
          Stice v. Campbell                                                           
                         (ii) maintaining the reconstructed embryo                    
                    without activation for a sufficient time to allow                 
                    the reconstructed embryo to become capable of                     
                    developing to term;                                               
                         (iii) activating the resultant reconstructed                 
                    embryo;                                                           
                         (iv) culturing said activated, reconstructed                 
                    embryo to blastocyst; and                                         
                         (v) transferring said cultured,                              
                    reconstructed embryo to a host cow such that the                  
                    reconstructed embryo develops into a fetus.                       
               10. The other Campbell claims referred to in the counts are            
          independent claims that are also directed to methods of cloning             
          by nuclear transfer comprising the same overall steps as Campbell           
          claim 23.  The following differences are noted:                             
                    (a) Campbell claim 19 is directed to a method of                  
               cloning a cow.                                                         
                    (b) Campbell claim 27 is directed to a method of                  
               cloning a sheep.                                                       
                    (c) Campbell claim 31 is directed to a method of                  
               cloning an ovine fetus.                                                
                    (d) Campbell claim 35 is directed to a method of                  
               cloning a non-human mammal.                                            
                                         -5-                                          




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