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.
Patent No.:
Date of Patent:
Aug. 08, 2006
Filed:
Nov. 25, 2002
Patrik Gustafsson, Foster City, CA (US);
Patrik Gustafsson, Foster City, CA (US);
Nokia Corporation, Espoo, FI;
Abstract
A method, computer system, and computer program product for restricting access to digital content data. The disclosed invention stores the digital content data on a user device, and classifies the digital content data as either controlled data or non-controlled data. If the digital content data is controlled data, the disclosed invention stores a trusted voucher on the user device, the trusted voucher being associated with the controlled data and comprising at least one permitted function, and restricts access to the controlled data by the user device to said at least one permitted function. If the digital content data is non-controlled data, the disclosed invention associates a local voucher stored on the user device with the non-controlled data, the local voucher comprising at least one intended function, and restricts access to the non-controlled data by the user device to said at least one intended function.