Just over the mountain of Patent Eligibility Reform awaits The Thiefdom of Efficient Infringers. No other intellectual property criminal enjoys the legal immunities and protections that the patent thief enjoys. Other intellectual property criminals – the copyright infringers, the trademark infringers, and the trade secret thieves – all are subject to both civil and criminal liability, just like every other common criminal. But not the patent thieves. This one type of intellectual property criminal gets favored treatment and special protections under the law. Why is this?