Ex parte YAMAKOSHI et al. - Page 6




          Appeal No. 97-3453                                         Page 6           
          Application No. 08/475,374                                                  


          examiner fails to establish a prima facie case, an obviousness              
          rejection is improper and will be overturned.  In re                        
          Rijckaert, 9 F.3d 1531, 1532, 28 USPQ2d 1955, 1956 (Fed. Cir.               
          1993).  With this in mind, we analyze the examiner’s                        
          rejections.                                                                 


               The examiner rejects claims 2, 11, 13, and 15 as obvious               
          over Admission in view of Ottesen.  At the outset, we observe               
          that the examiner fails to map the language of the claims to                
          the                                                                         




          disclosure of the Admission or reference.  Instead, he begins               
          the rejection by characterizing Admission as follows.                       
                    On lines 7-16 of page 1, applicant admits that                    
               “there is currently in progress the introduction of                    
               a signal processing method ... which is a                              
               combination of partial response equalization and                       
               maximum likelihood decoding".  For dependent claims                    
               11 and 13, [Admission]  employs a magnetoresistance                    
               effect head as a  reproducing transducer and uses a                    
               magnetic disk as a recording medium.  (Final                           
               Rejection at 5.)                                                       
          He admits that Admission “neither measures second harmonic                  
          distortion nor signal to noise ratio.”  (Id.)                               







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