WANG et al. V. SAITO et al. - Page 3




                  Interference No. 104,755                                                                           Paper 17                             
                  Saito v. Wang                                                                                      Page 3                               
                  cc:  (via Fax and Federal Express)                                                                                                      
                  Saito                                                                                                                                   
                  (real party in interest                                                                                                                 
                  SUMITOMO PHARMACEUTICALS COMPANY LIMITED):                                                                                              
                           J. Frank Osha, Esq.                                                                                                            
                           John T. Callahan, Esq.                                                                                                         
                           SUGHRUE MION, PLLC                                                                                                             
                           2100 Pennsylvania Ave., N.W.                                                                                                   
                           Suite 800                                                                                                                      
                           Washington, DC 20037-3202                                                                                                      
                           Tel:              202-293-7060                                                                                                 
                           Fax:              202-293-7860                                                                                                 
                           E-mail:           fosha@sughrue.com                                                                                            
                                             jcallahan@sughrue.com                                                                                        
                  Wang                                                                                                                                    
                  (real party in interest                                                                                                                 
                  CELL GENESYS, INC.):                                                                                                                    
                           Steven B. Kelber, Esq.                                                                                                         
                           PIPER MARBURY RUDNICK & WOLFE LLP                                                                                              
                           1200 Nineteenth Street, N.W.                                                                                                   
                           Washington, DC  20036-2430                                                                                                     
                           Tel:              202-861-3900                                                                                                 
                           Fax:              202-223-2085                                                                                                 
                           E-mail:           steven.kelber@piperrudnick.com                                                                               
                           LInda R. Judge, Esq.                                                                                                           
                           CELL GENESYS, INC.                                                                                                             
                           342 Lakeside Drive                                                                                                             
                           Foster City, CA 94404                                                                                                          
                           Tel:              650-425-4650                                                                                                 
                           Fax:              650-349-7392                                                                                                 
                           E-mail:           linda.judge@cellgenesys.com                                                                                  













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