Ex parte LISTOU - Page 4




          Appeal No. 1999-2716                                                        
          Application 08/561,178                                                      


          skill in the particular art would not have suggested to one of              
          ordinary skill in the art the obviousness of the invention as               
          set forth in claims 2-9, 11-18 and 20-22.  Accordingly, we                  
          reverse.                                                                    
          Appellant has nominally indicated that for purposes of                      
          this appeal the claims will stand or fall together in the                   
          following two groups: Group I has claims 20-22, 5-9 and 14-18,              
          and Group II has claims 2-4 and 11-13.  Consistent with this                
          indication appellant has made no separate arguments with                    
          respect to any of the claims within each group.  Accordingly,               
          all the claims within each group will stand or fall together.               
          Note In re King, 801 F.2d 1324, 1325, 231 USPQ 136, 137 (Fed.               
          Cir. 1986); In re Sernaker, 702 F.2d 989, 991, 217 USPQ 1, 3                
          (Fed. Cir. 1983).  Therefore, we will consider the rejection                
          against claims 20 and 2 as representative of all the claims on              
          appeal.                                                                     
          In rejecting claims under 35 U.S.C. § 103, it is                            
          incumbent upon the examiner to establish a factual basis to                 
          support the legal conclusion of obviousness.  See In re Fine,               
          837 F.2d 1071, 1073, 5 USPQ2d 1596, 1598 (Fed. Cir. 1988).  In              
          so doing, the examiner is expected to make the factual                      
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