> (5) Find prior art. That's actually a good strategy. Should you ever be approached regarding a patent infringement, produce the prior art and say that you ar

> (5) Find prior art. That's actually a good strategy. Should you ever be approached regarding a patent infringement, produce the prior art and say that you are going to challenge the patent (which is doable). I am going to guess that in many cases, especially in cases of patent trolls, they will back off as it makes more sense to keep the patent and harass other people than risk loosing the patent altogether.