Appeal No. 96-2673 Application No. 07/851,887 the claims stand rejected “for the reasons set forth in the objection to the specification.” There is no further explanation, anywhere, by the examiner as to the particular language for which, allegedly, there is no support. The "written description" portion of 35 U.S.C. ' 112 requires an inquiry to be made pertaining to whether the disclosure (specification, claims and drawings) as originally filed reasonably conveys to the journeyman practitioner in the art that the inventor had possession at that time of that which he now claims. See In re Wertheim, 541 F.2d 257, 262, 191 USPQ 90, 96 (CCPA 1976). The examiner has not referred to anything specifically for which there is no original description. The initial burden of showing unpatentability is always on the examiner. Absent a reasonable basis, by the examiner, for concluding that there is an inadequate written description, appellant is under no duty to establish patentability. In the instant case, the examiner has established absolutely no basis, reasonable or not, for attacking the adequacy of the written description. Accordingly, appellant should not be put in a position to speculate as to exactly what claim language the examiner finds a lack of support. Even so, appellant has speculated, and, in our view, reasonably so, that the language being attacked by the examiner is the language at the end of claim 15 that was added by amendment, i.e., “the inverter and load circuitry being additionally characterized by causing the 4Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007