companies like unilock are called patent trolls. they don't patent anything.tage of the weaknesses in the system. >> she says patent trolls are badly hurting the american economy. research shows this type of litigation has cost investors an estimated half a trillion dollars since 1990. >> it's not what the constitution intended when the constitution talked about the process. the patent system is supposed to protect innovation or insenty viegs innovation and right now that's not what it's doing. >> we reached out to unilock. >> it's legal. does that mean it's right? i don't think so it's not just small companies like meyer's. they went off microsoft. 2,700-plus troll lawsuits were filed. a decade ago, it was 144. most even settles because it becomes so expensive. but meyer said he'll go the mat to fight back. >> you're willing to pay how much? >> everything i have everything i will have until it gets to 12 people that will make eight decision based on their best conscience. >> reporter: if it went all the way to a jury decision meyer estimates it will cost him