I would imagine in most cases you can't invalidate a patent without going to trial. I could be wrong on this.
From what I've read, it seems if a patent troll feels they might lose the case they'll drop it. Why risk losing the patent when you can just move on to the next mark?
From what I've read, it seems if a patent troll feels they might lose the case they'll drop it. Why risk losing the patent when you can just move on to the next mark?