Ex parte COHEN - Page 3




                     Appeal No. 1997-2899                                                                                                                                              
                     Application No. 08/385,574                                                                                                                                        

                                           first communication link and the second                                                                                                     
                                           communication link, for monitoring the                                                                                                      
                                           information from the first communications link                                                                                              
                                           to detect the fault indication signal, and for                                                                                              
                                           replacing the information from the first                                                                                                    
                                           communications link with corresponding                                                                                                      
                                           information from the second communications link                                                                                             
                                           upon detection of the fault indication signal.                                                                                              
                                The Examiner relies on the following reference:                                                                                                        
                     Yamada                                                5,343,477                                             Aug. 30, 1994                                         
                                Claims 24 through 46 stand rejected under 35 U.S.C. § 103                                                                                              
                     as being obvious over Yamada.                                                                                                                                     
                                Rather than repeat the arguments of Appellant and the                                                                                                  
                     Examiner, we make reference to the briefs  and the answer for                           1                                                                         
                     the details thereof.                                                                                                                                              
                                                                                  OPINION                                                                                              
                                After careful review of the evidence before us, we do not                                                                                              
                     sustain the rejection of claims 24 through 46 under 35 U.S.C.                                                                                                     
                     § 103.                                                                                                                                                            
                                The Examiner has failed to set forth a prima facie case.                                                                                               
                     It is the burden of the Examiner to establish why one having                                                                                                      
                     ordinary skill in the art would have been led to the claimed                                                                                                      

                                1Appellant filed an appeal brief on September 12, 1996.                                                                                                
                     Appellant also filed a reply brief on January 2, 1997 which                                                                                                       
                     was acknowledged in the communication mailed January 29, 1997                                                                                                     
                     and entered by the Examiner.                                                                                                                                      
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