Appeal No. 2001-1507
Application No. 08/972,129
BACKGROUND
Appellants’ invention relates to a data processing system and method for storing
data in a communication network. The system retrieves an application from a network,
computes a signature using the application and compares the computed signature to a
prior stored signature to determine if the program is to be compiled. An understanding
of the invention can be derived from a reading of exemplary claim 1, which is
reproduced below.1
1. A method for operating a communication network having a user data processor,
comprising the steps of:
retrieving an application;
computing a first signature using the application;
comparing the first signature with a second signature previously
stored in a first memory of the data processor; and
selectively compiling the selected portion of the application to
generate interpreted code when the first signature does not
correspond to the second signature.
The prior art references of record relied upon by the examiner in rejecting the
appealed claims are:
Zhang, X. Nick, “Secure Code Distribution,” COMPUTER, pp. 76-79 (June 1997).
1 We note that independent claim 1 and independent claims 7 and 18 contain the phrase “the
selected portion of the application,” but we find no express antecedent basis for this limitation. We leave it
to the examiner to correct this minor deficiency.
2
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