How a decade-old patent dispute could upend Uber's business
1. Carma Technology has filed a patent lawsuit against Uber. 2. The lawsuit challenges Uber's ride-sharing system's patent infringement. 3. Carma seeks damages and a permanent injunction against Uber. 4. Uber has previously faced rejections for patent applications related to ride-sharing. 5. About 60 other companies could be implicated in this lawsuit.