Why not diminish the value of a patent once it's sold? That way you prevent companies like Lodsys buying and trolling, and if you put the money / time / resourc

Why not diminish the value of a patent once it's sold? That way you prevent companies like Lodsys buying and trolling, and if you put the money / time / resources into the development of something, you can reap the reward. Just a thought, not the answer. But the system is totally ridiculous as it stands.