Ex parte WILLIAMS et al. - Page 8




          Appeal No. 1998-0671                                                        
          Application 08/285,328                                                      

               The test for obviousness-type double patenting is whether  the         
          claimed subject matter of the application is obvious over what is           
          covered by the patent claims (or the application claims in the case         
          of a provisional obviousness-type double patenting rejection).              
          "[T]he disclosure of a patent cited in support of a double patenting        
          rejection cannot be used as though it were prior art, even where the        
          disclosure is found in the claims."  General Foods v.                       
          Studiengesellschaft Kohle mbH, 972 F.2d 1272, 1281, 23 USPQ2d 1839,         
          1846 (Fed. Cir. 1992).  "[P]atent claims are looked to only to see          
          what has been patented, the subject matter which has been protected,        
          not for something one may find to be disclosed by reading them."  Id.       
          at 1281, 23 USPQ at 1846, citing In re Aldrich, 398 F.2d 855, 859,          
          158 USPQ 311, 314 (CCPA 1968).  What has been patented is the subject       
          matter covered by the claims.  The question to be asked in the              
          analysis is whether the subject matter covered by the present claims        
          would have been obvious over the subject matter covered by the claims       
          of either the '821 patent or the '324 application.                          
               We are not aware of any legal support for the Examiner's use of        
          a hypothetical "claim" of the type found at EA4-5.  Although the            
          Examiner states that the limitations are merely a summary of the            
          common subject matter drafted as a series of method steps, not a            

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