Ex parte DAO et al. - Page 3




          Appeal No. 1999-0645                                        Page 3           
          Application No. 08/799,056                                                   


          appellants and the examiner with regard to the merits of these               
          rejections.                                                                  
                                       OPINION                                         
               In reaching our decision in this appeal, we have given                  
          careful consideration to the appellants' specification and                   
          claims , to the applied prior art reference, and to the2                                                                      
          respective positions articulated by the appellants and the                   
          examiner.  As a consequence of our review, we make the                       
          determinations which follow.                                                 
               Anticipation is established only when a single prior art                
          reference discloses, expressly or under the principles of                    
          inherency, each and every element of a claimed invention.  RCA               
          Corp. v. Applied Digital Data Sys., Inc., 730 F.2d 1440, 1444,               
          221 USPQ 385, 388 (Fed. Cir. 1984).  In other words, there                   
          must be no difference between the claimed invention and the                  
          reference disclosure, as viewed by a person of ordinary skill                
          in the field of the invention.  Scripps Clinic & Research                    
          Found. v. Genentech Inc., 927 F.2d 1565, 1576, 18 USPQ2d 1001,               


               2We note that "the tab" in claim 12, line 4, lacks antecedent basis in  
          the claim.  We leave this to be addressed in the event of any further        
          prosecution before the examiner.                                             







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