VISSER et al v. HOFVANDER et al - Page 76




          Interference 103,579                                                        
          at all or overlap over a common HpaI-HindIII segment which is not           
          common to the HindIII-SpeI fragment of the coding region of the             
          PGBSS gene (VDX 10 and 2; HR 312 and HDX 8).  The specification             
          of Hofvander’s involved application discloses (HR 283, l. 1-7):             
                    The restriction of pSm with HpaI and NsiI gives                   
               fragment II (SEQ ID No. 2) which subcloned in pJRD184                  
               . . . is called pJRDmitt.  Further restriction of                      
               pJRDmitt with HpaI-SstI gives a fragment containing                    
               2549 bp of the GBSS gene according to the invention.                   
               This fragment comprises exons and introns from the                     
               middle of the gene.                                                    
               XVI.  As best we can determine, Hofvander’s 2549 bp SEQ ID             
          No. 2 and Hofvander’s 492 bp SEQ ID No. 3 do not overlap (VDX 10            
          and 2; HR 312 and HDX 8).  Again, see the disclosure in the                 
          specification of Hofvander’s involved application (HR 283,                  
          l. 1-14).                                                                   
               XVII.  We conclude that the “full length potato . . .                  
          cDNA . . . sequence coding for PGBSS” and the “full length . . .            
          PGBSS . . . cDNA” sequence of the antisense constructs to which             
          the claims of Visser’s involved application refer are DNA                   
          sequences copied by enzymes from the total mRNA transcripts of              
          the PGBSS gene which complement the “full length . . . PGBSS                
          . . . genomic DNA sequence coding for PGBSS” and “full length               
          . . . PGBSS . . . genomic DNA” sequence of the antisense                    
          constructs of the claims.11  See pages 11-14 (VR 149-152) and               

               11   cDNA (complementary DNA) is defined as DNA copied from            
          an mRNA molecule by enzymes.  Darnell, J. et al., Molecular Cell            
                                        -76-                                          





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