Ex Parte Clement et al - Page 6



                    Appeal No. 2003-0124                                                                                                                                  
                    Application No. 09/487,832                                                                                                                            

                    858 F.2d 731, 736-37, 8 USPQ2d 1400, 1404 (Fed. Cir.                                                                                                  
                    1988)("Enablement is not precluded by the necessity for some                                                                                          
                    experimentation . . . .  However, experimentation needed to                                                                                           
                    practice the invention must not be undue experimentation.  The                                                                                        
                    key word is 'undue,' not 'experimentation'.")(footnotes,                                                                                              
                    citations, and internal quotation marks omitted).  In Wands, the                                                                                      
                    court set forth a number of factors which a court may consider in                                                                                     
                    determining whether a disclosure would require undue                                                                                                  
                    experimentation.  These factors were set forth as follows:  (1)                                                                                       
                    the quantity of experimentation necessary, (2) the amount of                                                                                          
                    direction or guidance presented, (3) the presence or absence of                                                                                       
                    working examples, (4) the nature of the invention, (5) the state                                                                                      
                    of the prior art, (6) the relative skill of those in the art, (7)                                                                                     
                    the predictability or unpredictability of the art, and (8) the                                                                                        
                    breadth of the claims.  Id. at 737, 8 USPQ2d at 1404.  The court                                                                                      
                    has also noted that all of the factors need not be reviewed when                                                                                      
                    determining whether a disclosure is enabling.  See, Amgen, Inc.                                                                                       
                    v. Chugai Pharm. Co., Ltd., 927 F.2d 1200, 1213, 18 USPQ2d 1016,                                                                                      
                    1027 (Fed. Cir. 1991) (noting that the Wands factors "are                                                                                             
                    illustrative, not mandatory.   What is relevant depends on the                                                                                        
                    facts.").                                                                                                                                             

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