This, by the way, is the reason why even non-litigious companies tend to accumulate huge quantities of patents: they serve as potent weapons against anyone atte

This, by the way, is the reason why even non-litigious companies tend to accumulate huge quantities of patents: they serve as potent weapons against anyone attempting to sue them. Equally, it's why productless patent trolls are so dangerous: since they don't make any products, such patent portfolios are useless as deterrence against them.