Ex Parte CLARKE et al - Page 7




          Appeal No. 2002-1812                                                        
          Application 08/861,181                                                      

          determination of whether a message was successfully received.               
          That is, while Britton sends messages in the protected                      
          conversation, the unit of work is not based on the receipt of the           
          messages, as claimed.  Britton does not take the specific actions           
          of "committing" a unit of work and "transmitting ... a positive             
          confirmation of receipt" "in response to successful receipt of              
          the messages" or "rolling back" a unit of work and "transmitting            
          ... a negative confirmation of receipt" "in response to                     
          unsuccessful receipt of the messages."  The rejection does not              
          account for these differences between the subject matter of                 
          claim 1 and Britton, which makes it hard to understand how the              
          examiner intends to read Britton onto claim 1.  The examiner's              
          reliance on only column 15, line 30 to column 16, line 34 also              
          makes it difficult to understand the rejection since this portion           
          of Britton does not get to the commit procedure.  Nevertheless,             
          we try to make the rejection work by looking at Britton and how             
          the examiner maps the claim limitations to Britton.                         
               When application 56A initiates a protected conversation with           
          application 56D in system 50D, a logical unit of work identifier            
          (LUWID) and unique conversation identifier is sent along with a             
          conversation initiate request to the remote system 50D.  The                
          LUWID and unique conversation identifier are registered both in             
          the syncpoint manager 60A and syncpoint manager 64D by protected            
          conversation adapters 64A and 64D (step 532 in Fig. 5A) (col. 15,           

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