You simply aren't using enough hammers! Though seriously, I think the term landmine is loaded toward using patents exclusively as a troll. A wider analogy cou

You simply aren't using enough hammers! Though seriously, I think the term landmine is loaded toward using patents exclusively as a troll. A wider analogy could be like a toll bridge, where the builder should be compensated by travelers. Some tolls could be usurious, but that wouldn't invalidate the whole principle.