The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 01, 2016

Filed:

Feb. 03, 2014
Applicant:

Purdue Research Foundation, West Lafayette, IN (US);

Inventor:

John R. Rice, West Lafayette, IN (US);

Assignee:

Purdue Research Foundation, West Lafayette, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/04 (2006.01); G06F 21/16 (2013.01); G06F 21/10 (2013.01); G06F 21/72 (2013.01); G06F 21/86 (2013.01);
U.S. Cl.
CPC ...
G06F 21/16 (2013.01); G06F 21/10 (2013.01); G06F 21/72 (2013.01); G06F 21/86 (2013.01);
Abstract

The subject matter described herein includes methods, systems, and computer readable media for preventing software piracy. One method includes specifying at least one codemark that is intrinsic to a computing system. The method further includes inserting guard code in an application. The guard code including a first code portion that uses a codemark and produces an output that depends on a value of the codemark and a second code portion that uses the output of the first code portion. The method further includes executing the first and second code portions and selectively triggering a protective action based on the output of the second code portion. Multiple types, styles, and frequencies of guard codes can be used to provide in-depth, long lasting, and strong protection.


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Rice, John. (2016). Methods, systems, and computer readable media for preventing software piracy and protecting digital documents using same (U.S. Patent No. 9275203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9275203

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