Ex Parte VON WIDDERN et al - Page 9




               Appeal No. 1998-0299                                                                                                 
               Application No. 08/301,523                                                                                           


                (Brief, pp. 11 and 12).  Appellants assert the table appended to the principal Brief                                
                provides a comparison of (1) film which has been watered by the manufacture                                         
                compared to (2) film watered by a sausage maker.  According to Appellants, this                                     
                table shows the claimed films provide improved elasticity and the absence of folds                                  
                and creases which appear in the comparative examples.   (Brief, p. 12).                                             
                        Appellants’ proffered showing is deficient in a number of respects.                                         
                Significantly, the appealed claims are not limited to the specific type of multilayered                             
                film described in the examples which are said by the Appellants to be responsible for                               
                producing allegedly superior results.  Also, the Appellants have not provided a                                     
                comparison of the closest prior art.  That is, a comparison of an example which is                                  
                representative of the Oberle invention.                                                                             
                        It is well settled that evidence presented to rebut a prima facie case of                                   
                obviousness must be commensurate in scope with the claims to which it pertains and                                  
                that such evidence which is considerably more narrow in scope than the claimed                                      
                subject matter is not sufficient to rebut a prima facie case.  In re Dill, 604 F.2d 1356,                           
                1361, 202 USPQ 805, 808 (CCPA 1979).  As indicated above, the Appellants’                                           
                proffered evidence is indeed considerably more narrow than the argued claims on                                     
                appeal and, for this reason alone, is inadequate to rebut the prima facie case of                                   
                obviousness established by the Examiner.                                                                            

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