Ex parte BORDEN et al. - Page 5




          Appeal No. 96-3969                                                          
          Application No. 08/271,311                                                  


          or knowledge generally available to one having ordinary skill               
          in                                                                          
          the art.  Uniroyal Inc. v. Rudkin-Wiley Corp., 837 F.2d 1044,               
          1051, 5 USPQ2d 1434, 1438 (Fed. Cir.), cert. denied, 488 U.S.               
          825 (1988); Ashland Oil, Inc. v. Delta Resins & Refractories,               
          Inc., 776 F.2d 281, 293, 227 USPQ 657, 664 (Fed. Cir. 1985),                
          cert. denied, 475 U.S. 1017 (1986); ACS Hospital Systems, Inc.              
          v.                                                                          
          Montefiore Hospital, 732 F.2d 1572, 1577, 221 USPQ 929, 933                 
          (Fed.                                                                       
          Cir. 1984).  These showings by the Examiner are an essential                
          part                                                                        
          of complying with the burden of presenting a prima facie case               
          of                                                                          
          obviousness.  Note In re Oetiker, 977 F.2d 1443, 1445, 24                   
          USPQ2d                                                                      
          1443, 1444 (Fed. Cir. 1992).                                                
               With respect to independent claims 1 and 4, as the basis               
          for the obviousness rejection, the Examiner has proposed to                 
          modify Rabl by substituting a laser source for Rabl's light                 
          source-monochromator combination, asserting the functional                  
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