US Patent US 8,140,439 B2
Embodiments of the invention generally provide a method and apparatus for enabling digital rights management in file transfers. One embodiment of a method for transferring digital content from a first user to a second user, includes transferring ownership of an instance of the digital content to the second user, where the instance of the digital content resides on a first device belonging to the first user. Copies of the digital content are then deleted from one or more additional devices belonging to the first user (including at least one offline device).
US 8,140,439 B2
Olson, WL, V Ilderem, FL Kitson, MA Moore, P Moroney, P Peterka, T Rzeszewski, and RH Yacobellis. "Method and apparatus for enabling digital rights management in file transfers" (2012). US Patent US 8,140,439 B2
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