transit Archive

Patent fighters attack the crown jewels of three of America's worst patent trolls

Unified Patents raises money from companies that are the target of patent-trolling and then uses it to challenge the most widely used patents in each of its members’ sectors: now it’s going for the gold. Unified is challenging three patents at once: Shipping & Transit’s patent on bus-tracking (the basis of 500+ lawsuits, most against cities’ transit authorities); Uniloc’s patent on DRM; and …