Appeal No. 95-2571 Application 08/245,053 event, the cited passage from Brightwell states that “the system may switch to an alternative network to retransmit the messages.” Column 6, lines 19-22. That is the opposite of the claimed invention, in which an alternative network is used to exchange only status information and the system then switches back to the original route to resume message transmission. The mere fact that the prior art may be modified in the manner suggested by the examiner does not make the modification obvious unless the prior art suggested the desirability of the modification. In re Fritch, 972 F.2d 1260, 1266 n.14, 23 USPQ2d 1780, 1783-84 n.14 (Fed. Cir. 1992). In the present case, the examiner does not identify how the prior art suggested the desirability of modifying Brightwell to use an alternative path to exchange only status information about the original path and then switch back to the original route to resume message transmission as claimed. The deficiency in the examiner’s reliance on Brightwell is not remedied by the examiner’s application of 4Page: Previous 1 2 3 4 5 NextLast modified: November 3, 2007