Ex parte KNAUF et al. - Page 2




          Appeal No. 96-0051                                         Page 2           
          Application No. 07/987,256                                                  
                                     BACKGROUND                                       
               Appellants disclose the manipulation of plant fatty-acid               
          content by altering fatty-acid synthase activity.  Claims 21 and 37         
          (reproduced below) are representative of the claimed subject matter.        
                    21. A cDNA sequence encoding a Ricinus communis                   
               $-ketoacyl-ACP synthase protein, wherein said cDNA                     
               sequence comprises the mature protein encoding portion of              
               said synthase protein, and wherein said mature protein has             
               a molecular weight of approximately 50 kD.                             
          (Paper No. 20 (Amdt. filed 10 Aug. 1993) at 1.)                             
                    37. A DNA construct comprising, in the 5' to 3'                   
               direction of transcription, a transcription initiation                 
               region functional in a plant seed cell, said $-ketoacyl-               
               ACP synthase protein encoding sequence of Claim 21 or                  
               Claim 25[2] and a transcriptional termination region                   
               functional in a plant seed cell, wherein said $-ketoacyl-              
               ACP synthase protein encoding sequence is oriented for                 
               expression of antisense sequence.                                      
          (Paper No. 33 at 2.)                                                        
               In the examiner's answer (Paper No. 37), the following                 
          rejections remain:                                                          
                    1. An obviousness-type double-patenting rejection                 
               of claims 21, 25, 27, 33, 34, 37, 40, 54, and 55 in view               
               of the claims of Appellants' 07/721,761 application (now               
               United States Patent 5,475,099);                                       



               2    Claim 25 is identical to claim 21 except that the                 
          molecular weight specified is 46 kD instead of 50 kD (Paper No. 20          
          at 1-2).                                                                    





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