Appeal No. 2000-0132 Application No. 08/934,791 deceptive intention, deemed wholly or partly inoperative or invalid, . . . by reason of the patentee claiming more or less than he had a right to claim in the patent, the Commissioner shall . . . reissue the patent for the invention disclosed in the original patent . . . . This reissue statute does not require that the appellants particularly specify the errors relied upon. Nor does 37 CFR § 1.175 (1998),4 which is derived from the reissue statute, require the appellants to particularly specify the errors relied upon. Specifically, it only requires that:5 (1) The applicant believes the original patent to be wholly or partly inoperative or invalid by reason of a defective specification or drawing, or by reason of the patentee claiming more or less than the patentee had the right to claim in the patent, stating at least one error being relied upon as the basis for reissue; and (2) All errors being corrected in the reissue application . . . arose without any deceptive intention on the part of the applicant. This new rule, as correctly stated by the appellants at page 8 of the Brief, “only requires the identification of at least one 4 This rule became effective on December 1, 1997, during the pendency of this patent application. When a rule is changed during the pendency of a patent application, the rule in effect on the date of our decision is the one that controls. Compare Shockley v. Arcan, Inc., 248 F.3d 1349, 1358-59, 58 USPQ2d 1692, 1697 (Fed. Cir. 2001). 5 37 CFR § 1.175 (a)(1) and (a)(2)(1998) 11Page: Previous 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 NextLast modified: November 3, 2007