TMG was until now a P2P spamming company. It has just been choosen by French authorities ("hadopi law") to track filesharers on Gnutella/Torrent/eDonkey network (the company claims to be able to track streaming, usenet and DDL usage too, but nobody for the moment know how).

Here is a description of the company's patent:

METHOD FOR COMBATTING THE ILLICIT DISTRIBUTION OF PROTECTED MATERIAL AND COMPUTER SYSTEM FOR CARRYING OUT SAID METHOD - Patent application

It appears that only upload is targeted, and more particularly upload from complete source.