Ex parte METZLER et al. - Page 6




            Appeal No. 1999-2313                                                      
            Application No. 08/396,288                                                

            OPINION                                                                   
            We have carefully considered the subject matter on                        
            appeal, the rejections advanced by the examiner and the                   
            evidence of obviousness relied upon by the examiner as                    
            support for the rejections.  We have, likewise, reviewed                  
            and taken into consideration, in reaching our decision,                   
            the appellants’ arguments set forth in the brief along                    
            with the examiner’s rationale in support of the                           
            rejections and arguments in rebuttal set forth in the                     
            examiner’s answer.                                                        
            It is our view, after consideration of the record                         
            before us, that the evidence relied upon and the level of                 
            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 45-58.  Accordingly, we                  
            reverse.                                                                  
            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                     

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