To be honest I'm a big defender of patent laws, especially internationally.
When it comes to things like this, it can be touchy since your dealing with what amounts to a patent on an idea which the developer didn't have the resources to follow through on when conceived. A lot of inventors come up with ideas, patent them, and then try and sell them to companies to develop. This can be a touchy subject if someone shops around a patented idea, a company rejects them (not wanting to pay) and then steals the idea, it can get paticularly nasty if people then start copying the ideas of the thief.
Big businesses also have major legal departments, and can make things very difficult for idea men and inventors to obtain reparations. We've seen stuff like this going on for decades involving all kinds of things from airplanes, to cars. Heck, I believe there was one not too terribly long ago about someone who patented the idea of an MMO including an idea of how it would work, shopped it around, never sold it, and then was going after a ton of companies. Not sure how it worked out, but I thought they had a legitimate point at the time.
At any rate, we're only hearing part of the story here. We have no idea if these guys really did nothing for 14 years, or if they have been fighting on the fringes of this trying to get friendly acknowlegement before going legal. They could have been being strung along. Also, while prolific we have no idea what kind of knowlege these guys had, and/or it might have only been recently where they were able to examine the systems in enough detail to determine that their ideas were being stolen.
Given that they were involved in a case they won in 2003, and apparently still fighting it until 2009 where an initial victory was overturned (not surprising given who they were up against and how much money was involved), I'm not sure if that counts as "doing nothing" exactly since they seem to have been at this for six years. There is a practical limit in how many legal actions someone can be involved in due to time, effort, and expense. I have no idea how big "Uniloc" actualy is but I'm guessing not very.
We'll see how it turns out. I'm not supporting them because of the fact that they are after big businesses, or even the fact that this could kill DRM, but simply because if they are patent holders and really did come up with this kind of a system 14 years ago and had it patented they deserve credit for their idea.