Ex parte ASHTON et al. - Page 4




          Appeal No. 1997-0809                                                        
          Application 08/033,599                                                      

                                      OPINION                                         
          35 U.S.C.  102(e)                                                          
               "Anticipation is established only when a single prior                  
          art reference discloses, expressly or under principles of                   
          inherency, each and every element of a claimed invention."                  
          RCA Corp. v. Applied Digital Data Systems, Inc., 730 F.2d                   
          1440, 1444, 221 USPQ 385, 388 (Fed. Cir. 1984).                             
               We address only the limitations that are argued.  See                  
          37 CFR  1.192(c)(8)(iii) (1995) (the argument shall specify                
          the errors "including any specific limitations in the                       
          rejected claims which are not described in the prior art                    
          relied upon in the rejection").  Thus, although we find no                  
          express mention in Jolissaint of the terms "packet switching                
          nodes," "frames," "major vectors . . . including a plurality                
          of subvectors," or "virtual circuit segments," these                        
          limitations are not argued in connection with the                           
          anticipation rejection and are not addressed.  Cf. In re                    
          Baxter Travenol Labs., 952 F.2d 388, 391, 21 USPQ2d 1281,                   
          1285 (Fed. Cir. 1991) ("It is not the function of this court                
          to examine the claims in greater detail than argued by an                   
          appellant, looking for nonobvious distinctions over the                     

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