Boardman, Oregon. 2016: President Obama blocked the buying by a Chinese company of the U.S. assets of the German company Aixtron SE. Separately, the New York Times reported that "United States officials blocked" a $2.6 billion deal by Philips to sell Lumileds division to GO Scale Capital and GRS Ventures over concerns regarding Chinese applications of gallium nitride. 2017: President Trump blocked the acquisition by a Chinese purchaser of Lattice Semiconductor. 2018: President Trump blocked Singapore-based Broadcom Limited from purchasing Qualcomm in a hostile takeover, citing national security concerns raised by CFIUS. 2019: CFIUS requested that Chinese gaming company Beijing Kunlun Tech Co Ltd. sell Grindr, citing national security concerns regarding a database of user's location, messages, and HIV status, after the company acquired the gay dating app in 2018 without CFIUS review. A deadline for the sale has been set for June 2020. 2020: President Trump threatened to ban TikTok, but in August declared a September 15 deadline for a sale to an American company. TikTok successfully challenged the ban, and the Biden administration asked to delay the government's appeal of a federal district court judge's December injunction against the TikTok ban as President Biden undertakes a broad review of his predecessor's efforts to address potential security risks from Chinese tech companies. Notifications and investigations CFIUS Notifications and Investigations, 1988–2018 See also Title 31 of the Code of Federal Regulations References External links CFIUS page at US Treasury United States federal boards, commissions, and committees United States trade policy 1975 establishments in the United States Investment in the United States