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