It's all about having more than one bite of the cherry.

The MMP Portfolio Licensing Program therefore focuses licensing requirements and royalty collection on the finished "system-level" product. A royalty-free MMP Portfolio license is also available to manufacturers of chips and other unfinished goods.

http://www.alliacense.com/Licensing_Program.aspx

Please read the following and compare,

http://www.agoracom.com/ir/patriot/messages/583139

Be well