Ex Parte PETITTE et al - Page 7



             Appeal No. 1999-1223                                                               Page 7                
             Application No. 08/446,021                                                                               
             What is not helpful is the examiner’s insistence that birds produced by the claimed                      
             method be “useful.”  As argued by appellants, the examiner’s insistence in this regard                   
             bespeaks more of a utility rejection under 35 U.S.C. § 101 than an enablement                            
             rejection.                                                                                               
                    Furthermore, to the extent the examiner may be concerned that the claims                          
             embrace possible inoperative embodiments, we point out Atlas Powder Co. v. E.I. du                       
             Pont de Nemours & Co., 750 F.2d 1569, 1576-77, 224 USPQ 409, 414 (Fed. Cir.                              
             1984):                                                                                                   
                    Even if some of the claimed combinations were inoperative, the claims are                         
                    not necessarily invalid.  “It is not a function of the claims to specifically                     
                    exclude . . .  possible inoperative substances . . . .”  In re Dinh-Nguyen,                       
                    492 F.2d 856, 858-59, 181 USPQ 46, 48 (CCPA 1974) (emphasis                                       
                    omitted).  Accord, In re Geerdes, 491 F.2d 1260, 1265, 180 USPQ 789,                              
                    793 (CCPA 1974); In re Anderson, 471 F.2d 1237, 1242, 176 USPQ 331,                               
                    334-35 (CCPA 1973).  Of course, if the number of inoperative                                      
                    combinations becomes significant, and in effect forces one of ordinary                            
                    skill in the art to experiment unduly in order to practice the claimed                            
                    invention, the claims might indeed be invalid.  See, e.g., In re Cook, 439                        
                    F.2d 730, 735, 169 USPQ 298, 302 (CCPA 1971).                                                     

                    To summarize, the claims on appeal only require the method result in a bird                       
             which has a changed phenotype.  There is no requirement that the change in                               
             phenotype be "useful" as apparently the examiner is demanding.  The change in                            
             phenotype may indeed be considered frivolous by many, yet the resulting bird will still                  
             be “useful.”  Again, it may be the examiner's concern that undue experimentation would                   
             be required to practice the invention as to any specific embodiment or that a substantial                
             number of embodiments embraced by the claims on appeal are not enabled without                           
             undue experimentation.  If so, she has not made that case.                                               






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