For many years, Nokia and Qualcomm's relationship was largely played out in the courts, until an agreement was reached in 2008 which settled all of their actions – including a complaint made by Nokia to the European Commission. Indeed, in 2009 the pair announced an alliance to develop Symbian OS-based 3G devices targeting the North American market, using Qualcomm processors. Under the terms of the 2008 settlement, Nokia made an upfront payment of EUR1.7 billion and assigned ownership of a number of patents to Qualcomm, as well as agreeing to pay ongoing royalties. In 2010, it made advanced payments of EUR1.17 billion to Qualcomm.