Ex Parte MITCHELL et al - Page 9




              Appeal No.  2001-0942                                                        Page 9                       
              Application No.  08/473,960                                                                               

              compounds are administered in relation to the application of ionizing radiation.                          
              Accordingly, we are satisfied that one of ordinary skill reading Mitchell claim 13 would                  
              be led to administer a compound either before or, as set forth in instant claim 17, after                 
              ionizing radiation to similarly treat the effects of oxidative stress.                                    
                     For the foregoing reasons, the rejection is affirmed.                                              
              Obviousness                                                                                               
                     Claims 17 and 19-21 stand rejected under 35 U.S.C. § 103(a) as being                               
              unpatentable over Samuni in view of Nilsson I or Nilsson II, and Bose and “the admitted                   
              prior art set forth in the instant specification, especially example 6.”                                  
                     The claims stand or fall together (Brief, p. 4).  Accordingly, we will focus on sole               
              independent claim 17.                                                                                     
                     Examiner has the burden of establishing a prima facie case of obviousness.  In                     
              re Oetiker, 977 F.2d 1443, 1445, 24 USPQ2d 1443, 1444 (Fed. Cir. 1992).                                   
              Accordingly, examiner has the initial burden of establishing that the claimed invention,                  
              as represented by claim 17, would have been obvious over Samuni in view of Nilsson I                      
              or Nilsson II, and Bose and the admitted prior art as represented by example 6 of the                     
              specification.                                                                                            
                     As a preliminary matter, we have had to go back to the Office action of                            
              February 12, 1999 (Paper No. 23) when the rejection was first raised to get an                            
              explanation of the prima facie case of obviousness.  Neither the Examiner’s Answer                        








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