"It did not state that he sits in on a discussion with a patent infringer, and if so, I would not believe DM would allow that to happen. The correct process would be to have edig meet with DM and agree on a strategy, then have DM discuss any issues with the infringer."

Bingo, richardo! No attorney worth his salt would allow someone like RP to "sit in" on negotiations. That process is difficult enough without taking a chance on a slip of the tongue from an aggressive client. That could blow a deal, quickly and irrevocably.