Appeal No. 2001-0027
Application 09/110,397
produce factual basis supported by teaching in a prior art
reference or shown to be common knowledge of unquestionable
demonstration, consistent with the holding in Graham v. John
Deere Co., 383 U.S. 1 (1966). Our reviewing court requires
this evidence in order to establish a prima facie case. In re
Piasecki, 745 F.2d 1468, 1471-72, 223 USPQ 785, 787-88 (Fed.
Cir. 1984); In re Cofer, 354 F.2d 664, 668, 148 USPQ 268, 271-
72 (CCPA 1966).
After a review of Braegas, we find that the reference
relates to a vehicle navigation system that takes broadcast
traffic advisories into consideration when searching for a
route (col. 1, lines 60-66). Braegas further discloses
receipt of such advisories in decoder 3 that evaluates traffic
reports and stores traffic advisories in traffic report memory
4 (the drawing figure and col. 2, lines 58-62). The
advisories that are relevant to the planned route are then
checked against the stored information related to the type of
road and the traffic obstruction to determine the route that
takes the vehicle to its destination as quickly as possible
(col. 3, lines 56-67). Thus, to propose a preferred route,
Braegas takes into account only pre-stored road-type
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