Method and system for signing and authenticating electronic documents via a signature authority which may act in concert with software controlled by the signer

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United States of America Patent

PATENT NO 8819813
SERIAL NO

13933655

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Abstract

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A system and method for signing and authenticating electronic documents using public key cryptography applied by one or more server computer clusters operated in a trustworthy manner, which may act in cooperation with trusted components controlled and operated by the signer. The system employs a presentation authority for presenting an unsigned copy of an affixing an electronic signature to the unsigned document to create signed electronic document. The system provides an applet for a signing party's computer that communicates with the signature authority.

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Patent Owner(s)

Patent OwnerAddress
BRIDGE BANK NATIONAL ASSOCIATION55 ALMADEN BLVD SUITE 100 SAN JOSE CA 95113

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Oswalt, Robert T Decatur, US 10 119

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