Ex Parte PHAM et al - Page 15




          Appeal No. 2003-1365                                                        
          Application No. 09/376,659                                                  

          Kokubu in view of Gardner ‘518 and of claims 21 and 22 over                 
          Komori, Gardner ‘298 and Kokubu in view of Gardner ‘531.                    
               Turning now to the rejection of the claims under the                   
          judicially created doctrine of obviousness-type double patenting            
          over Pham in view of Kokubu, we note that Appellants rely on the            
          same arguments related to the lack of basis for combination that            
          was raised with respect to the combination of Kokubu and Gardner            
          ‘298 (brief, page 20 and reply brief, page 16).  Additionally,              
          Appellants rely on the common filing date of the instant                    
          application and the application that resulted in the patent to              
          Pham and indicate that the rejection should not stand since there           
          would be no extension of time (id.).  In response, the Examiner             
          reminds Appellants of common ownership as the other relevant                
          aspect of the doctrine of obviousness-type double patenting and             
          the possibility that the patent terms may not coincide (answer,             
          page 10).                                                                   
               We agree with the Examiner and add that the claims of Pham             
          are similar to the present claims under appeal to the extend that           
          the patented independent claims 1 and 8 recite the same process             
          steps and further require that the second protective layer be               
          formed of nitride or SiON whereas the present claims require HTO            
          as the second protective layer.  As discussed above with respect            

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