Appeal No. 1996-1002 Application 07/988,945 meets this prima facie burden, does the burden shift to applicants to provide suitable evidence indicating that the specification is enabling in a manner commensurate in scope with the protection sought by the claims. In re Marzocchi, 439 F.2d 220, 223, 169 USPQ 367, 369 (CCPA 1971) . Factors appropriate for determining whether undue experimentation is required to practice the claimed invention throughout its full scope are listed in In re Wands, 858 F.2d 731, 737, 8 USPQ2d 1400, 1404 (Fed. Cir. 1988). These factors include: (1) the quantity of experimentation necessary, (2) the amount of direction or guidance presented, (3) the presence or absence of working examples, (4) the nature of the invention, (5) the state of the prior art, (6) the relative skill of those in the art, (7) the predictability or unpredictability of the art, and (8) the breadth of the claims. The examiner's rejection, reasoning, and evidence presented in support thereof focus on these factors as they relate to the use of the claimed compositions for immunosuppressive therapy. (Answer, page 5-7). The examiner begins the analysis by noting that the specification (Answer , page 5): provides no exemplification of how to use the claimed compositions for successful immunosuppression therapy of the various disorders listed in the specification page 2, and further fails to describe how (sic, to) use the claimed composition in vitro. The examiner also discusses the predictability of the use of such materials in immunosuppression citing confusion in the art as to mechanism of activity as well as 6Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007