Ex Parte STEWART et al - Page 7

          Appeal No. 2000-0022                                                        
          Application No. 08/888,173                                                  

          e.g., In re O’Farrell, 853 F.2d 894, 903, 7 USPQ2d 1673, 1681               
          (Fed. Cir. 1990).                                                           
          B. Application of the Applicable Law to the Present Case                    
               In the instant case, the examiner states that Kautsky                  
          teaches the generic formula set forth in the paragraph bridging             
          columns 1 and 2, and that appellants’ claims are directed to a              
          subgenus of this formula.  (answer, pages 3-4).  It appears from            
          the examiner’s stated position, that the examiner believes that             
          the generic formula of Kautsky is sufficient to make out a prima            
          facie case for appellants’ claimed subgenus.  It therefore                  
          appears that the examiner is applying the now forbidden per se              
          rule discussed, supra.                                                      
               Appellants acknowledge that the extremely broad generic                
          disclosure bridging columns 1 and 2 of Kautsky encompasses                  
          appellants’ claimed invention; but argue that the specific                  
          teachings of Kautsky draw one away from their claimed invention.            
          (brief, pages 6-7).                                                         
               Appellants further state that the generic formula of                   
          Kautsky, wherein “R” is between 2 and 12 and “n” is between 1 to            
          5, includes at least 200,000 compounds. (brief, page 5).                    
          Appellants argue that their claimed invention is significantly              
          more narrow than the generic disclosure of Kautsky with respect             
          to the alkylene groups in the terminal position, i.e., n and m,             
          which are overlapped by R in the Kautsky formula at column 1.               
          Appellants also argue that their terminal groups are limited to             
          2-4 carbon atoms, while Kautsky is directed to an uninterrupted             
          chain from at least 2 carbons up to and including 12 carbons.               
          Appellants state that in this regard, in this critical terminal             
          position, appellants have directed their claimed invention to a             
          species, wherein the alkylene units are 2 to 4 carbons as                   
          opposed to 2 to 12 carbons.  Appellants state this is                       
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