VISSER et al v. HOFVANDER et al - Page 84




          Interference 103,579                                                        
               Nevertheless, Hofvander argues that the antisense                      
          constructs, transgenic potatoes, and methods or making and using            
          the same it describes and claims are identical to the constructs,           
          transgenic potatoes, and methods of making and using the same               
          Visser describes and claims because, irrespective of the number             
          and kind of base pairs in the distinct DNA sequences inserted               
          into the potato genome in the antisense direction, once inserted            
          in the antisense direction, Hofvander’s fragments and Visser’s              
          sequences identically inhibit expression of PGBSS in potato                 
          plants and thus are functionally and practically the same.  In              
          our view, Hofvander’s argument has no merit because the claims of           
          the respective parties recite DNA fragments and/or segments in              
          the antisense direction and constructs comprising and/or                    
          containing DNA fragments and/or segments in the antisense                   
          direction which are defined by distinct chemical structures in              
          addition to their function.  Accordingly, that the different                
          chemical components Hofvander and Visser employ may function                
          identically when inserted into the genome of potato plants in the           
          antisense direction because of one or more common DNA segments,             
          chemical characteristics, etc., is irrelevant.  The chemical                
          inserts are not the same.  Moreover, the evidence of record does            
          not support the proposition that the respective DNA fragments               
          and/or segments have a common chemical characteristic or                    
          structure which functions to substantially inhibit PGBSS when               
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