System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state
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United States of America Patent
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Oct 1, 2013
Grant Date -
Feb 17, 2011
app pub date -
Oct 20, 2010
filing date -
Oct 18, 2001
priority date (Note) -
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Abstract
A system and method is disclosed for allowing content providers to protect against widespread copying of their content, while enabling them to give their customers more freedom in the way they use the content. In accordance with one embodiment, content providers identify their content as protected by watermarking the content. Consumers use compliant devices to access protected content. All of a user's compliant devices, or all of a family's devices, can be organized into an authorized domain. This authorized domain is used by content providers to create a logical boundary in which they can allow users increased freedom to use their content.
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