Ex Parte Yu et al - Page 6


             Appeal No. 2004-1761                                                   Page 6                     
             Application No. 10/044,807                                                                        

                   The Court, finding “no specific assistance in the legislative materials underlying §        
             101,” based its analysis on “the general intent of Congress, the purposes of the patent           
             system, and the implications of a decision one way or the other.”  Id. at 532, 148 USPQ           
             at 695.  The Court concluded that “[t]he basic quid pro quo contemplated by the                   
             Constitution and the Congress for granting a patent monopoly is the benefit derived by            
             the public from an invention with substantial utility.  Unless and until a process is refined     
             and developed to this point—where specific benefit exists in currently available form—            
             there is insufficient justification for permitting an applicant to engross what may prove to      
             be a broad field.”   Id. at 534-35, 148 USPQ at 695.                                              
                   The Court considered and rejected the applicant’s argument that attenuating the             
             requirement of utility “would encourage inventors of new processes to publicize the               
             event for the benefit of the entire scientific community, thus widening the search for            
             uses and increasing the fund of scientific knowledge.”  The Court noted that, while there         
             is value to encouraging disclosure, “a more compelling consideration is that a process            
             patent in the chemical field, which has not been developed and pointed to the degree of           
             specific utility, creates a monopoly of knowledge which should be granted only if clearly         
             commanded by the statute.  Until the process claim has been reduced to production of a            
             product shown to be useful, the metes and bounds of that monopoly are not capable of              
             precise delineation.  It may engross a vast, unknown, and perhaps unknowable area.                
             Such a patent may confer power to block off whole areas of scientific development.”   Id.         
             at 534, 148 USPQ at 695.                                                                          
                   The Court took pains to note that it did not “mean to disparage the importance of           
             contributions to the fund of scientific information short of the invention of something           





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