EFF

Two lawsuits seek to rein in transit data patent troll

By Robbie Webber After suing dozens of transit agencies and hundreds of private companies, patent troll company ArrivalStar could be hitting the wall. The United States Patent and Trademark Office has drastically narrowed the patent owned by the company after the Electronic Frontier Foundation

Update: Group challenges alleged patent-trolling that targets transit systems

By Eric Sundquist In April, SSTI reported that a firm called ArrivalStar was asserting patent rights to a bus-arrival announcement system it claims to have invented, demanding that transit agencies and delivery companies pay for the right to use bus- and train-arrival apps and other tracking