Ex parte SRIVASTAVA - Page 4


            Appeal No. 1996-2009                                                      
            Application No. 07/982,193                                                



            appropriate terminal disclaimer upon indication of                        
            allowable subject matter.1  Accordingly we affirm the                     
            rejections.                                                               

            Rejections Under 35 U.S.C. ' 103                                          
                 Examiner has made four rejections under 35 U.S.C.                    
            ' 103 covering all the claims on appeal.  In all four                     
            statements of the rejections the same primary and                         
            secondary references are cited: Lebkowski and Izban,                      
            respectively. Only the tertiary references are different.                 
            Consequently, the linch pin of all these rejections is                    
            the art combination: Lebkowski in view of Izban.                          
                 The examiner has the initial burden of establishing                  
            a prima facie case of obviousness.  In re Oetiker, 977                    
            F.2d 1443, 1445, 24 USPQ2d 1443, 1444 (Fed. Cir. 1992).                   
            We have carefully reviewed examiner's position but, for                   
            the following reasons, the PTO=s burden of establishing a                 
            prima facie case of obviousness has not been met.                         
                 As we interpret representative claim 1, the claimed                  
            invention is directed to an expression vector comprising                  

                                                                                      
                 1 "Appellant has indicated on this record that upon                  
            indication of allowable subject matter, Appellant will                    
            file the appropriate terminal disclaimer to overcome the                  
            obviousness-type double patenting rejection.                              
            Accordingly, the only rejection maintained for                            
            consideration on appeal is the rejection of Claims 1-3,                   
            7-12 and 14-19 under                                                      
            35 U.S.C. ' 103."  Brief, p. 2.                                           
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