Appeal No. 2003-0550 Application No. 09/580,411 structural features of the connection set forth in claim 1 on appeal and is inherently capable of being used in the manner set forth in claim 1 to permit relative lateral movement of each die cutter unit (14) relative to the base member (12) and relative to each other through a range of 360 degrees. As was made clear in In re Schreiber, 128 F.3d at 1477, 44 USPQ2d at 1431, by choosing to define an element functionally as in appellant's claim 1 on appeal, appellant assumes a risk, that risk being that where the Patent and Trademark Office has reason to believe that a functional limitation asserted to be critical for establishing novelty in the claimed subject matter may, in fact, be an inherent characteristic of the prior art, it possesses the authority to require the applicant to prove that the subject matter shown to be in the prior art does not possess the characteristic relied upon. In the present case, appellant has provided no evidence to prove that the connection in Carll is not capable of the use asserted by the examiner. We therefore are constrained to agree with the examiner that the differences in the intended use of the connector seen in Carll and appellant's claimed connector do not patentably distinguish 88Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007