JEON et al. V. CUPPS et al. - Page 19




          Interference No. 104,241                                                    



          within the genus of compounds defined by the count constitutes              
          a reduction to practice of the invention defined by the count               
          for purposes of priority of invention in an interference                    
          proceeding. Breuer v. DeMarinis, 558 F.2d 22, 24, f.n. 5, 194               
          USPQ 308, 309, f.n. 5 (CCPA 1977); Mikus v. Wachtel, 504 F.2d               
          at 1152, 183 USPQ at 753; Den Beste v. Martin, supra.                       
               Accordingly, in order to prove they were prima facie                   
          entitled to judgment relative to Cupps et al. based on an                   
          actual reduction to practice before Cupps et al. effective                  
          filing date, Jeon et al. were required to prove that they: (1)              
          actually prepared any single compound within the scope of the               
          count (or a pharmaceutical composition comprising a safe and                
          effective amount of a compound within the scope of the count                
          or a method for preventing or treating various diseases                     
          comprising administering a safe and effective amount of a                   
          compound within the count): (2) appreciated that the compound               
          prepared by them was the compound they sought to prepare; and               
          (3) adequately tested the compound prepared to establish that               
          the compound possessed a practical utility.                                 
               In their submission under 37 C.F.R. § 1.608(b) filed with              
          the primary examiner, Jeon et al. attempted to prove that Yoon              

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