Appeal No. 1998-1926 Application 08/333,829 1. A method for authenticating a unique article by creating a unique data signature for the unique article, said method comprising the steps of: receiving a data set including at least one data subset wherein a first data subset is representative of a unique identification number fixed to a surface of a substantially unforgeable document; encrypting said input data set to generate a unique data signature and fixing said unique data signature to at least one of said unique article and a verification certificate, to thereby authenticate said unique article; and utilizing the substantially unforgeable document and said unique data signature together for subsequent proof of authenticity of the unique article. The examiner relies on the following references: Stambler 5,267,314 Nov. 30, 1993 Haber et al. (Haber) 5,373,561 Dec. 13, 1994 (filed Dec. 21, 1992) Schneier, “Untangling Public-Key Cryptography,” Dr. Dobb’s Journal, Vol. 17, Issue 5, May 1992, pages 16-28. The following rejections are on appeal before us: 1. Claims 1-3, 5-7, 13, 14, 16 and 17 stand rejected under 35 U.S.C. § 102 (a) and (e) as being anticipated by the disclosure of Stambler. 2. Claims 4, 8-11 and 15 stand rejected under 35 U.S.C. § 103 as being unpatentable over the teachings of Stambler in 2Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007