Document genealogy

Details Document genealogy Document genealogy

2005-05-19

2010-06-22

Lu, Tom Y (Department: 2624)

Image analysis

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Reexamination Certificate

active

07742617

ABSTRACT:
A computer-readable medium contains software that, when read by a computer, causes the computer to perform a method for tracing a document. The method includes: on the computer, generating a global unique identifier (GUID) for a master document; embedding the GUID in the master document; making a copy of the master document available for viewing on another computer, wherein the copy of the master document includes the embedded GUID; receiving a version verification request from the other computer about the copy, wherein the version verification request includes the GUID from the copy; and providing a latest version of the master document referenced by the GUID from the copy to the second computer in response to the version verification request.

REFERENCES:
patent: 5671282 (1997-09-01), Wolff et al.
patent: 6141753 (2000-10-01), Zhao et al.
patent: 6427032 (2002-07-01), Irons et al.
patent: 6898625 (2005-05-01), Henry et al.
patent: 6925599 (2005-08-01), Wood
patent: 7085755 (2006-08-01), Bluhm et al.

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