Ex Parte DAI - Page 1



             The opinion in support of the decision being entered today               
                  was not written for publication in a law journal                    
                     and is not binding precedent of the Board.                       
                                                               Paper No. 11           
                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                                                                                     
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
                                                                                     
                                  Ex parte XIA DAI                                    
                                                                                     
                                Appeal No. 2001-0184                                  
                             Application No. 09/002,173                               
                                                                                     
                                        BRIEF                                         
                                                                                     
          Before THOMAS, KRASS, and BARRETT, Administrative Patent Judges.            
          KRASS, Administrative Patent Judge.                                         

                                 DECISION ON APPEAL                                   

               This is a decision on appeal from the final rejection of               
          claims 1-11, all of the pending claims.                                     

               The invention is directed to a method and apparatus for                
          binary addition.  More particularly, the invention seeks to make            
          adder latency independent of the adder width N.  The adder                  







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