Helferich files patent lawsuit against Nokia | Reuters

Helferich Patent Licensing, which says it holds patents or has patents pending in the United States and overseas, filed the lawsuit in the state of Illinois, where it is based and where it says Nokia sells its phones through companies such as Best Buy Co Inc (BBY.N) and AT&T (T.N). Helferich said in the court papers filed on Monday that it informed Nokia of the patent infringement...