Ex parte TSUJI - Page 4




          Appeal No. 95-3885                                                          
          Application 08/172,051                                                      



                    The Examiner has failed to set forth a prima facie                
          case.  It is the burden of the Examiner to establish why one                
          having ordinary skill in the art would have been led to the                 
          claimed invention by the express teachings or suggestions                   
          found                                                                       
          in the prior art, or by implications contained in such teach-               
          ings or suggestions.  In re Sernaker, 702 F.2d 989, 995, 217                
          USPQ 1, 6 (Fed. Cir. 1983).  "Additionally, when determining                
          obviousness, the claimed invention should be considered as a                
          whole; there is no legally recognizable 'heart' of the inven-               
          tion."  Para-Ordnance Mfg. v. SGS Importers Int’l, Inc., 73                 
          F.3d 1085, 1087, 37 USPQ2d 1237, 1239 (Fed. Cir. 1995), cert.               
          denied, 117 S.Ct. 80 (1996)                                                 


          citing W. L. Gore & Assocs., Inc. v. Garlock, Inc., 721 F.2d                
          1540, 1548, 220 USPQ 303, 309 (Fed. Cir. 1983), cert. denied,               
          469 U.S. 851 (1984).                                                        
                    On pages 12 through 20 of the brief, Appellant                    
          argues that Muller, Shockley and Gosch fail to teach Appel-                 
          lant's claimed limitations.  In particular, Appellant argues                
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