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:
Aug. 12, 2014

Filed:

Feb. 11, 2010
Applicants:

Yi Cheng, Sundbyberg, SE;

Ulf Björkengren, Bjärred, SE;

Daniel Catrein, Würselen, DE;

Frank Hartung, Herzogenrath, DE;

Inventors:

Yi Cheng, Sundbyberg, SE;

Ulf Björkengren, Bjärred, SE;

Daniel Catrein, Würselen, DE;

Frank Hartung, Herzogenrath, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The embodiments of the present invention relate to apparatuses, in terms of a client device () and a server () and to methods in the client device () and in the server () respectively for enabling a user to consume content provided by a content provider. According to the method in the client device () the method comprises: assembling a request for rights for consuming a content and indicating in the request which content to consume; determining if an upgrade key, associated with the content, is present in the client device; including, in such a case, in the request, an identifier of the upgrade key that is associated with the content, sending the request to the content provider; receiving, a response comprising an encrypted rights object; decrypting the encrypted rights object and starting to use the rights object for consuming the content.


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