Some time ago, at the very beginning of opensource.com, I wrote a post on the possibility of using some archaic forms of law – champerty, barratry and maintenance – against patent trolls. And lo and behold someone is taking a run at it, although against a copyright troll, not a patent troll.
Let's bring back barratry, maintenance, and champerty for patent lawsuits. Combine that with a limitation on the assignment of patents and a lot of patent trolls would be out of business. This is what barratry, maintenance and champerty meant in England in 1916: