Ex parte WILLIAMS et al. - Page 6




          Appeal No. 96-0663                                                          
          Application No. 08/253,618                                                  


                Claims 14, 17 and 18 set forth, in great detail, particular           
          methods for writing data tracks on a floppy disk.  Without hereat           
          repeating the many and varied steps included in the claimed                 
          methods, suffice it to say that in the face of such detailed                
          method steps, the examiner may not point generally to prior art             
          structure and conclude that the claimed methods would have been             
          obvious.  The burden, in the first instance, is with the examiner           
          to establish a prima facie case of obviousness, whether it be               
          with regard to 35 U.S.C. 103 or obviousness-type double                     
          patenting.                                                                  
                At the very least, and as a matter of fair play, the                  
          examiner should point out how he considers each and every step of           
          the claimed methods to read on, or be suggested by, the applied             
          references so that appellants are given an opportunity to                   
          understand the examiner’s position and to respond thereto.  The             
          examiner has not done this and we will not speculate as to the              
          correspondence between the claimed steps of appellants’ methods             
          and the structure of the applied references.  The examiner has              
          offered nothing in the way of pointing out how the prior art                
          structures are deemed to perform the method steps, as claimed.              
                Even in the face of appellants’ arguments in this regard,             
          the examiner offers no response, save at page 6 of the answer,              

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