In 2017, Nokia sued Apple in Germany and the United States for patent infringement. "Since you have approved (for) a license covering some patents from the Nokia Technologies portfolio in 2011, Apple has declined subsequent offers from Nokia to license others of its patented inventions used by many of Apple's products," Nokia says.  For the past five years (as of 2017), Apple had paid Nokia a small royalty for the use of patents, however, the agreement expired on December 31
Apple claims that Nokia and its patent partners, including Acacia Research and Conversant Intellectual Property Management, have collaborated to raise patent rates in violation of federal antitrust law. Nokia to try to monopolize the market in wireless technology.