Appeal No. 1997-2245 Page 7 Application No. 08/402,872 Cir. 1984). These showings by the examiner are an essential part of complying with the burden of presenting a prima facie case of obviousness. Note In re Oetiker, 977 F.2d 1443, 1445, 24 USPQ2d 1443, 1444 (Fed. Cir. 1992). If that burden is met, the burden then shifts to the applicant to overcome the prima facie case with argument and/or evidence. Obviousness is then determined on the basis of the evidence as a whole. See id.; In re Hedges, 783 F.2d 1038, 1039, 228 USPQ 685, 686 (Fed. Cir. 1986); In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984); and In re Rinehart, 531 F.2d 1048, 1052, 189 USPQ 143, 147 (CCPA 1976). Appellants and the examiner are in agreement that Mishin, Weitschies, and Macri are not directed to the use of a compass for detecting the displacement of the ingested magnetic material. Appellants assert (brief, page 6) that Leibing is directed to a detector for locating a magnetized pin concealed within a building wall or floor, in a fixed position. Appellants argues (id.) that because Leibing is not directed to sensing directional movement, there is noPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007