Even in that year (2013) between Nokia and HTC are now having troubles. Nokia has worked as a patent troll, and the matter goes to court.
Nokia first sued HTC company that it violates a patent EP 1246071 in which the description appears on the USB communication capabilities of a smartphone. Now, Nokia has won another court already on another patent EP 1148681 describing information transmission technology of the resource between the devices.
At the moment, Nokia is right to ban the sale of all smart phones of the manufacturer and demand payment for the patents already implemented devices.