What about as a further peer-pressure type 'good citizenship' patent thing - a voluntary pay $x per patent in your portfolio to a non-profit which uses money to

What about as a further peer-pressure type 'good citizenship' patent thing - a voluntary pay $x per patent in your portfolio to a non-profit which uses money to search existing patent-base and seek to preemptively invalidate invalid/frivolous patents. You could have a little badge on your website or some such.