Nokia Corporation said it has filed lawsuits against Apple Inc. in 11 countries over 40 patents covering technologies such as displays, software and chipsets.
Nokia said on Wednesday it was suing Apple, accusing the iPhone maker of violating 40 technology patents. On Thursday, the Finnish telecoms equipment maker said it had now filed 40 Patent suits. Nokia’s acted after Apple’s legal action targeting the one-time cellphone industry leader a day earlier.
The suits were filed with the regional courts in Düsseldorf, Mannheim and Munich in Germany and the U.S. District Court for the Eastern District of Texas.
Nokia said it has expanded litigation to courts in Finland, the U.K, Italy, Sweden, Spain, the Netherlands, France, China and Japan. The company said it has also filed a suit against Apple with the U.S. International Trade Commission.
Nokia’s Patents, however, still cover technology used in many of today’s smartphones and tablets. As sales of networking equipment are in decline world-wide owing to lower spending by mobile service providers, Nokia is increasingly dependent on its highly profitable patent business.