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Vivian Choi

Vivian (Sooan) Choi is special counsel in the Washington office who advises clients on international trade matters. Previously, Vivian has worked with the World Trade Organization and the Republic of Korea’s trade ministry in various roles.

Vivian also has experience representing companies in a broad range of corporate transactions.

Section 232 of the Trade Expansion Act of 1962 (“Section 232”) authorizes the President to “adjust” imports—including through application of tariffs, quotas, tariff rate quotas, and license fees—where the Department of Commerce (“Commerce”) determines imports threaten to impair U.S. national security. Since February 2025, President Trump has invoked Section 232

Continue Reading Current and Forthcoming Section 232 Actions by the Trump Administration

On February 20, the U.S. Supreme Court released its decision in Learning Resources, Inc. v. Trump, the case challenging the legality of the Trump Administration’s tariffs imposed under the International Emergency Economic Powers Act (“IEEPA”). By a 6-3 majority, the Court held that IEEPA does not authorize the President

Continue Reading IEEPA Tariffs Terminated, Replacement Section 122 Tariffs Take Effect

On August 6, President Trump issued an Executive Order (“EO”) (“Addressing Threats to the United States by the Government of the Russian Federation”) invoking his authority under the International Emergency Economic Powers Act (“IEEPA”) to impose a tariff of 25% on most products imported from India, effective August 27, in

Continue Reading Trump Administration Imposes Secondary Tariffs on India

Since taking office in January, President Trump has taken a number of actions under Section 232 of the Trade Expansion Act of 1962 (“Section 232”), a statute that authorizes the President to “adjust” imports—including through application of tariffs, quotas, tariff rate quotas, and license fees—where the Department of Commerce (“Commerce”)

Continue Reading Status of Section 232 Actions by the Trump Administration