Ex parte HANSON et al. - Page 21




          Appeal No. 94-3255                                                          
          Application 07/673,264                                                      


          Wright, 999 F.2d 1557, 1561, 27 USPQ 1510, 1513 (Fed. Cir.                  
          1993); In re Vaeck; 947 F.2d 488, 495-96, 20 USPQ2d 1438,                   
          1444-45 (Fed. Cir. 1991).  Our appellate reviewing court set                
          forth numerous factors which are to be considered in                        
          determining whether a disclosure would require undue                        
          experimentation in In re Wands, 858 F.2d 731, 737, 8 USPQ2d                 
          1400, 1404 (Fed. Cir. 1988).  These factors “include (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.  In the event of                   
          future prosecution,                                                         
          the examiner should consider whether the specification                      
          provides an enabling disclosure of the claimed invention in                 
          view of these factors.                                                      
               As to the case before us, it is recognized that there may              
          be simple assays available by which those skilled in the art                
          would have been able to determine the amount of amino acid                  


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