Ex parte HAYDEN - Page 11




          Appeal No. 97-1265                                                          
          Application 07/981,274                                                      



          of Cree, the collective teachings would still not meet all the              
          limitations recited in claim 1.  The examiner has attempted to              
          find steps of selecting, assigning and transmitting as recited              
          in claim 1 within the applied references, but the examiner has              
          failed to consider all the recitations making up these steps.               
          The selecting step taught by Cree does not relate to a                      
          multicast address and would not have suggested that Perlman’s               
          multicast address be selected in this manner.  Since the                    
          selection of the multicast address would not be suggested by                
          Perlman and Cree, the claimed steps of assigning the selected               
          multicast address and transmitting the assigned multicast                   
          address would also not be suggested by the combined teachings               
          of Perlman and Cree.                                                        
          For all the reasons just discussed, the invention of                        
          independent claim 1 is not suggested by the collective                      
          teachings of Perlman and Cree.  Consequently, we do not                     
          sustain the rejection of claim 1 or of claims 2-4 which depend              
          therefrom.                                                                  
          Independent claims 11, 19 and 26 recite a system for                        
          transmitting a data stream over a computer network in which                 

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