The opinion in support of the decision being entered today was not written for
publication and is not binding precedent of the Board.
Paper No.20
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte SARVAR PATEL
____________
Appeal No. 2003-0446
Application No. 09/127,767
____________
ON BRIEF
____________
Before HAIRSTON, GROSS, and BLANKENSHIP, Administrative Patent
Judges.
GROSS, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal from the examiner's final
rejection of claims 1 through 22, which are all of the claims
pending in this application.
Appellant's invention relates to a method of authenticating
parties communicating with one another to provide a security
measure to their communication. Claim 12 is illustrative of the
claimed invention, and it reads as follows:
12. A method for authenticating a first party at a second party,
comprising:
(a) outputting a random number as a first challenge;
(b) receiving a second challenge and a first challenge
response from said first party, said second challenge being a
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