Yes, there's been a few reports where someone will investigate the "offices" of the patent troll and it becomes quite clear that no one is actually there. They

Yes, there's been a few reports where someone will investigate the "offices" of the patent troll and it becomes quite clear that no one is actually there. They are just renting the door for the address, more or less. I believe rental properties catering to this is a booming business in a few districts across the US.