Email address
[email protected]Contact number
82 2 6182 8135Share profile
Band 3
Provided by Jeongju Jahng
Customs ∙ International Trade
Foreign Investment
FTA ∙ Trade Advisory
Information Security Center
Compliance
ESG Center
Intellectual Property
International Arbitration ∙ Litigation
Administrative Disputes
Constitutional Litigation
Europe
GRC Center
Jeongju Jahng is a partner at Yoon & Yang LLC, and his main practice areas are customs, international trade, foreign investment, and intellectual property.
Mr. Jahng worked as a deputy director at the FTA Trade Rules Division, International Legal Affairs Division, Overseas Voting Team, and Trade Dispute Settlement Division of the Ministry of Foreign Affairs and Trade. From 2013 he served as a deputy director of the Trade Dispute Settlement Division and the FTA Goods Division of the Ministry of Trade, Industry and Energy and retired after working in the Trade Dispute Settlement Division. Based on these experiences, he provides legal services on resolving the various legal issues faced by domestic and foreign companies, and also provides advice to the Ministry of Trade, Industry and Energy, the Ministry of Foreign Affairs, the Ministry of Environment, and the Ministry of Land, Infrastructure and Transport.
Admitted to bar, Korea (2007)
Korea Chapter, The International Trade Law Review, Law Business Research (Co-author, 2022-2023)
[Response to government regulations of major countries]
Advised on US laws (Inflation Reduction Act (IRA), CHIPS Act and Uyghur Forced Labor Prevention Act) and EU laws & regulations (Foreign Subsidies Regulation, Carbon Border Adjustment Mechanism (CBAM), Supply Chain Due Diligence Act, Critical Raw Materials Act, Eco Design Regulations, Packaging Waste Directive, and Amended Rules for Waste Shipment)
Represented a Brazilian company in the Korea Trade Commission’s anti-dumping investigation of Indonesian/Brazilian-made uncoated paper
[Free Trade Agreement (FTA)]
Represented the Korean government in the investor-state dispute settlement (ISDS) that a US citizen filed related to land expropriation based on the Korea-US FTA
Advised on various matters related to FTA negotiations (i.e., amendment of Korea-US FTA and RCEP) and previously executed FTAs by Korea
[World Trade Organization (WTO) Conventions]
Advised on various WTO conventions, such as GATT, Anti-dumping Agreement, Subsidy Agreement, and Government Procurement Agreement
Advised on case involving US anti-dumping measure against Korean-made oil well steel pipes
Advised on case involving US anti-dumping and countervailing duties against Korean-made washing machines
Advised on case involving US technical barriers to trade of tuna products from Mexico
Advised on case involving US technical barriers to trade of beef from Canada and Mexico
Advised on case involving US import regulation of Indonesian-made cigarette products
Korean and English
Judicial Training & Research Institute
2007
Korea University, B.A. in Spanish Language and Literature (Minor: Law)
B.A.
2001
Leading Individual, International Trade
Chambers and Partners Asia-Pacific
2025
2018-present Yoon & Yang LLC
2018 Deputy Director, Trade Dispute Settlement Division, Ministry of Trade, Industry and Energy
2016-18 Deputy Director, Trade Dispute Settlement Division, Ministry of Trade, Industry and Energy
2015-16 Deputy Director, FTA Goods Division, Ministry of Trade, Industry and Energy
2013-15 Deputy Director, Trade Dispute Settlement Division, Ministry of Trade, Industry and Energy
2012-13 Deputy Director, Trade Distpute Settlement Division, Ministry of Foreign Affairs and Trade
2011-12 Deputy Director, Overseas Voting Team, Ministry of Foreign Affairs and Trade
2008-11 Deputy Director, International Legal Affairs Division, Ministry of Foreign Affairs and Trade
2007-08 Deputy Director, FTA Trade Rules Division, Ministry of Foreign Affairs and Trade
Provided by Chambers
Jahng Jeongju draws on his former experience as a trade policy official to advise clients on a range of trade issues, including administrative reviews, sanctions and export control issues, WTO matters and digital trade agreements.
Provided by Chambers
He has extensive experience in the trade field, including trade agreements, trade disputes and trade policies of other countries, such as the USA and EU.
Jeongju is fundamentally highly capable and of excellent character. He is kind, thorough and meticulous in reviews.
He has extensive experience in the trade field, including trade agreements, trade disputes and trade policies of other countries, such as the USA and EU.
Jeongju is fundamentally highly capable and of excellent character. He is kind, thorough and meticulous in reviews.