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. 17, 2021
Filed:
Dec. 04, 2018
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Samuel John Wenker, Kirkland, WA (US);
John Carl Simmons, North Bend, WA (US);
Andrew Lee Jenks, Woodinville, WA (US);
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Abstract
Examples are disclosed related to presenting on a client device configured for a first digital rights management technology (DRM-1) content that is protected by a second digital rights management technology (DRM-2). One example provides a computing device configured to receive a request from an application for a DRM-2 license acquisition challenge, forward the request to a DRM-2 license acquisition challenge generator, receive a DRM-2 license acquisition challenge and DRM-2 state information, send the DRM-2 license acquisition challenge to the application, receive, from the application, a DRM-2 license acquisition response, generate a DRM-1 license acquisition challenge incorporating the DRM-2 license acquisition challenge, the DRM-2 license acquisition response, and the DRM-2 state information, send the DRM-1 license acquisition challenge to a remote DRM-1 license acquisition server, receive a DRM-1 license acquisition response comprising a key and a license policy, enforce the license policy for content protection, and decrypt content using the key.