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. 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007