Ex parte DUTTA - Page 5




          Appeal No. 1999-2838                                                          
          Application No. 08/812,848                                                    


          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 claim 1, the sole independent claim on                   
          appeal, Appellant asserts the Examiner’s failure to establish a               
          prima facie case of obviousness since all of the claim                        
          limitations are not taught or suggested by the applied Zommer                 
          reference.  In particular, Appellant contends (Brief, page 13;                
          Reply Brief, page 4) that the Examiner has not convincingly                   


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