Appeal No. 94-3474 Application 07/956,126 not be described in haec verba to satisfy the description requirement. In re Herschler, 591 F.2d 693, 700-701, 200 USPQ 711, 717 (CCPA 1979). All that is required to satisfy the description requirement is that the originally filed disclosure would have conveyed to one having ordinary skill in the art that the appellant had possession of the concept of what is later claimed. In re Anderson, 471 F.2d 1237, 1244, 176 USPQ 331, 336 (CCPA 1973). The later claimed subject matter at issue in this case consists of two expressions, each of which is a negative limitation. It is well settled that negative limitations are not impermissible per se, but may be permitted if indefiniteness and undue breadth are avoided. Chisum on Patents, Vol. 3, Chapter 8.06[3], page 8-144 (1997). See Ex parte Hradcovsky, 214 USPQ 554, 555-56 (Bd. App. 1982); In re Duva, 387 F.2d 402, 408, 156 USPQ 90, 95 (CCPA 1967); In re Bankowski, 318 F.2d 778, 782-783, 138 USPQ 75, 79 (CCPA 1963). The examiner has not found the expressions to be indefinite or impermissible per se, but not supported by the specification as originally filed. Appellant contends his process is a free-radical reaction that is not conducted in the presence of UV radiation or “free- radical generators” because a fair reading of his specification 11Page: Previous 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 NextLast modified: November 3, 2007