US Patent 7561696 Delivering policy updates for protected content

Patent 7561696 was granted and assigned to Microsoft on July, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Microsoft

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7561696

Date of Patent

July 14, 2009

Patent Application Number

11179206

Date Filed

July 12, 2005

Patent Primary Examiner

‌

Shin-Hon Chen

Patent abstract

Various embodiments permit policy updates, such as DRM policy updates, to be delivered and updated for a given piece of protected content. In at least some embodiments, various protocols can be extended to permit policy updates to be represented and carried by the protocol. In one embodiment, Hypertext Transport Protocol or HTTP is utilized to carry the policy updates. In another embodiment, Real Time Streaming Protocol or RTSP is used to carry policy updates.