Two public interest groups have taken aim at ArrivalStar, a patent licensing company that has filed multiple infringement lawsuits against public transit systems. The American Public Transportation Association has filed suit to invalidate a set of ArrivalStar patents, while the Electronic Frontier Foundation has managed to knock out all but two claims of a key ArrivalStar patent.
ArrivalStar Draws Fire for Public Transit Alert Patents
The Litigation Daily
June 26, 2013