Granted, the original idea was on real property. But practically speaking, is there much difference with the way IP law works in the US? Patent trolls are essen

Granted, the original idea was on real property. But practically speaking, is there much difference with the way IP law works in the US? Patent trolls are essentially rent seekers, with similar economic effects. Even worse, it's much harder to realize you're infringing a lot of the time. At least with land there are lines in the sand you can look up at a county clerks office.