Allowance rates cratered after Alice v. CLS Bank, and when they USPTO makes a mistake, there are stronger mechanisms to limit the damage. Cost/time to kill a pa

Allowance rates cratered after Alice v. CLS Bank, and when they USPTO makes a mistake, there are stronger mechanisms to limit the damage. Cost/time to kill a patent is about 1/5 of what it was five years ago; the Eastern District of TX is no longer an option for most suits; and it's much easier to get the plaintiff to pay for your legal fees when you prevail in a frivolous suit.