No need for it to be some kind of claimed tax haven or supposedly look the other way for content pirates, really just not worth a troll's effort for what they try to extract from a small company?
Assuming you have the wherewithal to incorporate a shell anonymously, that's one option. You might even get away with it. Good luck pitching that to investors.
Might I suggest you look to the future. What's happening here is as clear as day: our patent system is out of control. It's out of touch with technology, out of touch with reality, and worse yet it's lining the pockets of the rich and corrupt at the cost of forward progress.
What has Lodsys accomplished by doing this? Shown that it understands how to kick, extort, and squeal its way to profit by abusing its understanding of antiquated methodologies.
Pond scum.
No words.