Ex parte WALKER - Page 4




          Appeal No. 1998-2557                                                        
          Application No. 08/335,550                                                  


          It is our view, after consideration of the record before                    
          us, that the applied prior art does not support any of the                  
          rejections made by the examiner.  Accordingly, we reverse.                  
          We consider first the rejection of claims 26 and 33 under                   
          35 U.S.C. § 102(b) as being anticipated by the disclosure of                
          Gerard.  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 as                 
          well as disclosing structure which is capable of performing                 
          the recited functional limitations.  RCA Corp. v. Applied                   
          Digital Data Systems, Inc., 730 F.2d 1440, 1444, 221 USPQ 385,              
          388 (Fed. Cir.); cert. dismissed, 468 U.S. 1228 (1984); W.L.                
          Gore and Associates, Inc. v. Garlock, Inc., 721 F.2d 1540,                  
          1554, 220 USPQ 303, 313 (Fed. Cir. 1983), cert. denied, 469                 
          U.S. 851 (1984).                                                            
          The examiner indicates how he reads these claims on the                     
          disclosure of Gerard [final rejection, pages 2-3].  Appellant               
          makes the following arguments in the brief: 1) appellant                    
          argues that the claimed invention is directed to an a priori                
          scheme for encoding blocks of data whereas Gerard is directed               
          to an a posteriori scheme for encoding such data blocks; and                
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