Patent ID: 8224751

Claim:
A digital rights management (DRM) method for distributing a piece of content to a user, the method comprising: receiving a request from the user for the piece of content, the user having a plurality of associated devices for accessing the content; sending to a first device associated with the user the requested piece of content in a protected format; for each particular device associated with the user, generating a different key for accessing the piece of content on the device; storing the generated keys in a first data storage structure for distribution to the user; and from a set of DRM computers, sending to the first device associated with the user the first data storage structure storing the generated keys for accessing the content on the plurality of associated devices, wherein a first key stored in the first data storage structure is for accessing the content on the first device, wherein the first device is for (i) extracting the keys from the first data storage structure and (ii) distributing to each particular other associated device the piece of content in the protected format and only the respective key for accessing the piece of content on the particular associated device.