Not even a letter to Congress signed by very important SV players did anything... 
At Unpatent we believe that big changes can be made using technology when legislation is clearly falling behind.
If you figure out a way to fix the patent system so no more stupid patents can be registered I'd be all ears :-)
The cost of unpatenting seems a lot lower than the gross extortion amount. And long-term it just might work as deterrent against patent trolls. Without politicians getting involved.
Donating here feels like funding the 'stupid patent' system.