Ex parte DEMASTER et al. - Page 9




          Appeal No. 97-3926                                                          
          Application 08/481,091                                                      

          anticipation.  In re Robertson, 169 F.3d 743, 745, 49 USPQ2d                
          1949, 1950-51 (Fed. Cir. 1999).                                             
               For the foregoing reasons, the § 102(b) rejection is                   
          reversed with respect to claim 35 and its dependent claims 36               
          and 37.                                                                     
          F.  The merits of the § 103 rejection                                       
               In re Rouffet, 149 F.3d 1350, 1355, 47 USPQ2d 1453, 1455               
          (Fed. Cir. 1998), explains that                                             
                    [t]o reject claims in an application under                        
               section 103, an examiner must show an unrebutted                       
               prima facie case of obviousness.  See In re Deuel,                     
               51 F.3d 1552, 1557, 34 USPQ2d 1210, 1214 (Fed. Cir.                    
               1995).  In the absence of a proper prima facie case                    
               of obviousness, an applicant who complies with the                     
               other statutory requirements is entitled to a                          
               patent.  See In re Oetiker, 977 F.2d 1443, 1445, 24                    
               U.S.P.Q.2D 1443, 1444 (Fed. Cir. 1992).  On appeal                     
               to the Board, an applicant can overcome a rejection                    
               by showing insufficient evidence of prima facie                        
               obviousness or by rebutting the prima facie case                       
               with evidence of secondary indicia of                                  
               nonobviousness.  See id.                                               
               Nowicki's cleaning tape employs an abrasive magnetic                   
          coating which permits simultaneous head cleaning and playback               







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