Why are patent trolls so interested in the car business? They’re looking at buying automotive patents because they’re lucrative.
A patent troll, or “patent assertion entity,” is a company that acquires patents to be used solely to file lawsuits against other companies. They usually don’t even use their patents to create products or build businesses; they only seek to drive revenue through litigation.
http://www.autonews.com/article/20170227/OEM/170229889/how-to-keep-patent-trolls-at-bay