Appeal No. 96-1659 Application 08/166,931 We are not aware of any per se rule as proposed by the examiner that use of the term “characterized” in a claim automatically renders the claim indefinite. The examiner seems to suggest that the word “comprising” must be used instead of the word “characterized.” The examiner has not presented any rationale as to why appellant’s selection of the word “characterized” renders the claimed invention indefinite. We agree with appellant that the artisan having considered the specification of this application would have no difficulty ascertaining the scope of the invention recited in claims 35- 49, 53 and 55-68. Therefore, the rejection of these claims under the second paragraph of 35 U.S.C. § 112 is not sustained. We now consider the rejection of claims 35-68 under 35 U.S.C. § 103 as unpatentable over various combinations of Ferguson, Watkins, Iwata and Kabat. As a general proposition in an appeal involving a rejection under 35 U.S.C. § 103, an examiner is under a burden to make out a prima facie case of 6Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007