Appeal No. 1997-0635 Page 7 Application No. 08/375,183 prior art, the applied prior art would not have taught or suggested a gang form having a plurality of form liners as recited in claim 4 mounted to a backing member.1 In our view, the only suggestion for modifying the applied prior art in the manner proposed by the examiner to meet all the limitations of claim 4 stems from hindsight knowledge derived from the appellants' own disclosure. The use of such hindsight knowledge to support an obviousness rejection under 35 U.S.C. § 103 is, of course, impermissible. See, for example, W. L. Gore and Associates, Inc. v. Garlock, Inc., 721 F.2d 1540, 1553, 220 USPQ 303, 312-13 (Fed. Cir. 1983), cert. denied, 469 U.S. 851 (1984). Thus, upon evaluation of all the evidence before us, it is our conclusion that the evidence adduced by the examiner is insufficient to establish a prima facie case of obviousness 1We have also reviewed the references additionally applied in the rejection of dependent claims 5 to 8 and 11 but find nothing therein which would have suggested the subject matter of claim 4.Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007