Ex Parte VAN DEN BERG et al - Page 8




                Appeal No. 95-0083                                                                                                         
                Application 07/711,556                                                                                                     


                executed May 12, 1986, attached to Paper No. 22 in this record and referred to in the                                      
                Reply Brief, page 6, footnote 4.  The examiner, however, does not acknowledge or                                           
                respond to appellants' evidence in the Examiner's Answer or Supplemental Answer.                                           
                The examiner does not step back and reevaluate patentability in light of the rebuttal                                      
                evidence.  In and of itself, this constitutes reversible error.  As stated in In re Hedges                                 
                783 F.2d 1038, 1039, 228 USPQ 685, 686 (Fed. Cir. 1986),                                                                   
                        If a prima facie case is made in the first instance, and if the applicant                                          
                        comes forward with reasonable rebuttal, whether buttressed by                                                      
                        experiment, prior art references, or argument, the entire merits of the                                            
                        matter are to be reweighed.  [citation omitted].                                                                   









                        The rejection of claims 43, 45, 46, 49, 52, 54 and 56 through 58 under 35 U.S.C.                                   
                § 103 is reversed.                                                                                                         

                                                           OTHER ISSUES                                                                    
                        On return of this application to the examining corps, we recommend that the                                        
                examiner step back and reassess patentability of the appealed claims under 35 U.S.C.                                       
                § 103.  In so doing, the examiner should note that there are two independent claims on                                     

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