Isn't there a business niche here, for buying self defense patents? Slogan: "Send $X and the name of the company -- and we'll return a list of patents (and pri

Isn't there a business niche here, for buying self defense patents? Slogan: "Send $X and the name of the company -- and we'll return a list of patents (and prices to buy them) which that company violate." Edit: Grammar fix.