Chinese telecommunications hardware maker ZTE Corp. filed a lawsuit in China against a unit of Swedish rival Telefon AB L.M. Ericsson over alleged patent infringement, said Wang Haibo, ZTE's intellectual-property director. The move escalates a legal battle that began when Ericsson said earlier this month it filed patent-infringement lawsuits against ZTE in the U.K., Italy and Germany, and highlights ZTE's growth overseas in competition with Western rivals.
- Read the article: The Wall Street Journal
