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:
Jun. 13, 2006

Filed:

Apr. 27, 2001
Applicants:

James C. Hillegass, Woodland, MN (US);

Yaobing Deng, Minneapolis, MN (US);

Mark Eastom, New Brighton, MN (US);

Richard R. Fritz, Maple Grove, MN (US);

John C. Gateley, Plymouth, MN (US);

James A. Grinsfelder, St. Paul, MN (US);

Stephen A. Grove, Minneapolis, MN (US);

Eric Steven Hockett, Minneapolis, MN (US);

Nikolay G. Sokratov, St. Louis Park, MN (US);

James G. Swanson, St. Paul, MN (US);

John S. Thompson, Afton, MN (US);

Boris Mamedov, Hopkins, MN (US);

James A. Nordgaard, St. Louis Park, MN (US);

Paul E. Onnen, Issaquah, WA (US);

Inventors:

James C. Hillegass, Woodland, MN (US);

Yaobing Deng, Minneapolis, MN (US);

Mark Eastom, New Brighton, MN (US);

Richard R. Fritz, Maple Grove, MN (US);

John C. Gateley, Plymouth, MN (US);

James A. Grinsfelder, St. Paul, MN (US);

Stephen A. Grove, Minneapolis, MN (US);

Eric Steven Hockett, Minneapolis, MN (US);

Nikolay G. Sokratov, St. Louis Park, MN (US);

James G. Swanson, St. Paul, MN (US);

John S. Thompson, Afton, MN (US);

Boris Mamedov, Hopkins, MN (US);

James A. Nordgaard, St. Louis Park, MN (US);

Paul E. Onnen, Issaquah, WA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/40 (2006.01); H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system and method distribute licenses for copyrighted material separate from the copyrighted material itself. A producer or 'vendor' of copyrighted material registers the material with a License Provider. The License Provider returns an encryption code for the producer to attach to the materials which are in digital form. The vendor distributes that material to one or more users who purchase a license from the License Provider. The license includes an encryption key to decrypt the file containing the materials. The system and method incorporate security measures to prevent unlicensed use and distribution of the materials.


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