Mike6553 wrote "If that is true, then control of the MMP could be very valuable to Apple or Google. This scenario only works, if Apple or Google did not already purchase a MMP license."
I tend to disagree. Owning the MMP would be a beneficial leverage when pursuing infringers of their own, possibly related, patents.
Buying a license, if indeed they did [and wouldn't you think shareholders should be able to know this?] would have been self-protection, not a "weapon".