Methods for evidencing illicit use of a computer system or device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6549638
APP PUB NO 20020136426A1
SERIAL NO

09185380

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Abstract

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A computer is provided with software that looks for certain activities that may be illicit (e.g. processing of a graphic file corresponding to a banknote). If such an activity is detected, tracer data detailing the activity is generated and secretly stored. in the computer. If the computer is later searched or seized, the tracer data can be recovered and employed as evidence of the computer's use, e.g. in counterfeiting.

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Patent Owner(s)

Patent OwnerAddress
DIGIMARC CORPORATION (AN OREGON CORPORATION)9405 SW GEMINI DRIVE BEAVERTON OR 97008

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carr, J Scott Beaverton, OR 76 6459
Davis, Bruce L Lake Oswego, OR 199 15404
Perry, Burt Beaverton, OR 11 1568

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