Global Trade Alert
Global Trade Alert

United States of America: Definitive antidumping duty on imports of monomers and oligomers from Chinese Taipei and a provisional duty on imports from the Republic of Korea

Announcement

23 Apr 2025

In April 2025, the United States initiated an antidumping investigation on imports of monomers and oligomers from Chinese Taipei and the Republic of Korea. In September 2025, a provisional duty was imposed on imports from Chinese Taipei. In January 2026, a provisional duty was imposed on imports from the Republic of Korea. In March 2026, a definitive duty on imports from Chinese Taipei was imposed. The investigation concerning imports from the Republic of Korea is still in progress.

Source

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Number of interventions

2

2 certainly harmful

0 likely harmful

0 liberalising

List of interventions

Implementation date

05 Jan 2026

Revocation date:

No revocation date

Clarification: 06 Feb 2026
Anti-dumping In force
On 23 April 2025, the United States published a notice initiating an antidumping investigation on imports of certain monomers and oligomers from the Republic of Korea, as well as from Chinese Taipei (...
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Implementation date

09 Sep 2025

Revocation date:

No revocation date

Definitive duty: 11 Mar 2026
Anti-dumping In force

Recent update from 11 Mar 2026:

On 11 March 2026, the United States imposed a definitive antidumping duty on imports of the subject good from Chinese Taipei. The rate of duty on imports from Chinese Taipei is set at 130.23% (Case...

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