No, that's wrong. If ever miner licensed the optimization and so was able to mine 25% cheaper, all that would happen is that the difficulty rises 25%. Everyone ends up mining the same number of coins, and the patent troll collects his 5% tax from every miner.
And this is different from bying more efficient ASIC hardware ...how?
BTW, you don't understand what a patent troll is. For starters, it is not the actual author of a work/inventor.