https://www.reuters.com/article/us-china-huawei/huawei-files-appeal-in-u-s-court-against-fccs-rural-carrier-purchase-ban-idUSKBN1Y909K

China's Huawei has mounted a legal challenge against the U.S. Federal Communications Commission (FCC) after the body designated the technology giant as a security threat and tried to bar it from a government subsidy program.