China's Huawei files patent suits against Samsung Elec

By Yimou Lee and Anne Marie Roantree HONG KONG (Reuters) - Huawei Technologies Co Ltd [HWT.UL] on Wednesday said it sued Samsung Electronics Co Ltd claiming infringement of smartphone patents, the Chinese firm's first intellectual property challenge against the world's top mobile maker. Huawei has filed lawsuits in the United States and China seeking compensation for what it said was unlicensed use of fourth-generation (4G) cellular communications technology, operating systems and user interface