Appeal 2006-2107
Application 09/969,833
value being stored in the memory and utilizable to facilitate
subsequent computation of another one of the output values.
The Examiner rejected claims 1-22 under 35 U.S.C. § 101 because the
claimed invention is directed to non-statutory subject matter.
The Examiner entered a Final Rejection on May 4, 2005.
Appellant appealed from the Final Rejection. An Appeal Brief (the
Brief) was filed on November 8, 2005.
The Examiner entered an Examiner’s Answer (the Answer) on
January 26, 2006.
Appellant did not file a Reply Brief.
We affirm.
II. ISSUE
The sole issue before us is whether Appellant has established that the
Examiner erred in rejecting claims 1-22 under 35 U.S.C. § 101 as being
directed to non-statutory subject matter.
III. FINDINGS OF FACT
The following findings of fact are supported by a preponderance of
the evidence.
1. Appellant invented a method, apparatus, and machine readable
medium (storing one or more programs) for generating one or more output
values of a one-way chain. (Specification 4).
2. One-way chains are used in processor based cryptographic
applications such as encryption, decryption, digital signatures, message
authentication, user and device authentication, micro-payments, etc.
(Specification 1:13-15 and 4:1-7).
3
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