Coupang dispute enters treaty terrain as investors trigger arbitration clock



Briefings Coupang dispute enters treaty terrain as investors trigger arbitration clock ISDS notice formalizes a regulatory clash Seoul had sought to contain while narrowing diplomatic room for maneuver KOREA PROJanuary 23, 2026 SHARE COPY LINK FACEBOOK X LINKEDIN MASTODON South Korea's Ministry of Justice, March 22, 2015 \| Image: Wikimedia Commons U.S. investors in Coupang have notified the South Korean government of their intent to pursue investor-state dispute settlement (ISDS) arbitration, arguing that Seoul’s handling of the company’s personal data breach violated protections under the Korea-U.S. free trade agreement, the justice ministry said Thursday. The investors, Greenoaks and Altimeter, claimed that a sweeping government response following the breach last December breached obligations related to fair and equitable treatment and other investor protections, triggering losses running into the billions of dollars. Under ISDS procedures, a formal arbitration process may be initiated 90 days after the submission of a notice of intent. The © Korea Risk Group. All rights reserved. No part of this content may be reproduced, distributed, or used for commercial purposes without prior written permission from Korea Risk Group. LATEST ANALYSIS 01South Korea’s CPTPP push exposes the cost of turning trade gains into consensus 02AI storage boom gives South Korea battery makers an EV overcapacity lifeline 03South Korea’s Mexico strategy runs into the hard limits of USMCA politics 04Preschool test ban forces South Korea’s English hagwons to rethink placement 05Lee Jae Myung’s Wall Street pitch tests South Korea’s capital market credibility 06US midterm clock raises stakes for South Korea’s $200 billion investment talks 07Lee’s Hormuz red line tests South Korea’s leverage in $350 billion US talks 08South Korea’s AI data center boom is colliding with the true cost of power

Briefings

Coupang dispute enters treaty terrain as investors trigger arbitration clock

ISDS notice formalizes a regulatory clash Seoul had sought to contain while narrowing diplomatic room for maneuver

KOREA PROJanuary 23, 2026

Coupang dispute enters treaty terrain as investors trigger arbitration clock

South Korea's Ministry of Justice, March 22, 2015 | Image: Wikimedia Commons

U.S. investors in Coupang have notified the South Korean government of their intent to pursue investor-state dispute settlement (ISDS) arbitration, arguing that Seoul’s handling of the company’s personal data breach violated protections under the Korea-U.S. free trade agreement, the justice ministry said Thursday. The investors, Greenoaks and Altimeter, claimed that a sweeping government response following the breach last December breached obligations related to fair and equitable treatment and other investor protections, triggering losses running into the billions of dollars.

Under ISDS procedures, a formal arbitration process may be initiated 90 days after the submission of a notice of intent. The

Coupang dispute enters treaty terrain as investors trigger arbitration clock

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