Digital Rights Management (DRM) patents

Rovi is offering for sale its patent portfolio related to “Digital Rights Management”. This patent portfolio includes: 

  • 12 US patents cover DRM technology
  • Dozens of international counterparts


Key technical characteristics include:

  • Controlling distribution based on a recipient’s patterns of data receipt
  • Using periodic keys for encrypting/decrypting mp4 data
  • Leveraging dynamic sectors before using URL seeders in P2P setting
  • Authenticating peer data objects
  • Determining authenticity of executable images (boot-up images)
  • Understanding a user, or users, before authentication
  • Intercepting communications between two applications
  • Enabling trusted content in peer-to-peer networks


Exemplary patents of interest:

US 8,706,876

US 7,124,114