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Digital rights list for device groups

  • US 10,218,817 B2
  • Filed: 04/26/2016
  • Issued: 02/26/2019
  • Est. Priority Date: 04/28/2015
  • Status: Active Grant
First Claim
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1. A device directory server, comprising:

  • a memory configured to maintain a primary digital rights management list associating a user device with a primary online account for a user having a content license for a digital content item;

    a communication interface configured to receive a status update, wherein the status update indicates the user device is still in use by the user when sent by the user device; and

    a processing core having at least one processor configured to determine whether the status update has been received from the user device and to deactivate the user device on the primary digital rights management list when no status update has been received within a pruning period, wherein the pruning period describes a device-specific length of time for the user device to be associated with the primary online account.

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