PBS uses Unified Patents Statistics May 28, 2016 Shawn Ambwani Around 2:21 the video shows Unified's 2015 Patent Dispute Report statistics The U.S. economy is driven by innovation, but unwelcome "patent trolls" are gunking up the system. Patent reform bills sit idle in Congress as the "trolls" set up companies for the sole purpose, critics say, of shaking down inventors while never creating anything. http://www.pbs.org/newshour/bb/u-s-innovators-dogged-by-money-grubbing-patent-trolls/