Appeal No. 1999-1612 Application 08/614,188 54 under 35 U.S.C. § 112, first paragraph, for failing to provide an adequate written description and enabling disclosure of the claimed invention. Appellant challenges our affirmation of the rejection of claim 54 under 35 U.S.C. § 112. As noted by our reviewing court in Enzo v. Calgene, 188 F.3d 1362, 1371, 52 USPQ2d 1129, 1135, we have held that a patent specification complies with the statute even if a "reasonable" amount of routine experimentation is required in order to practice a claimed invention, but that such experimentation must not be "undue." See, e.g., In re Wands, 858 F.2d 731, 736-37, 8 USPQ2d 1400, 1404 ("Enablement is not precluded by the necessity for some experimentation . . . . However, experimentation needed to practice the invention must not be undue experimentation. The key word is 'undue,' not 'experimentation'.")(footnotes, citations, and internal quotation marks omitted). In Wands, we set forth a number of factors which a court may consider in determining whether a disclosure would require undue experimentation. These factors were set forth as follows: (1) the quantity of experimentation 2Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007