Case Analysis / Legal Updates
Antidumping Duty | Major Jurisdictions Such as the United States, India, and the European Union Actively Use Antidumping Investigations...Domestic Antidumping Investigations Reach a Record High of 13 Cases
As global protectionism spreads, applications for antidumping investigations are increasing. Last year, domestic applications for antidumping investigations reached a record high of 13 cases, and the scope expanded beyond steel and chemical products to advanced sectors such as industrial robots.
At the same time, the government is reviewing measures to incorporate qualitative factors into the method of calculating antidumping duties. This suggests a possible change in the structure of duty determination itself, and within this trend, there are three key points that companies should note.
1. Domestic Trends in Antidumping Duties: Surge in Applications, Concentration on China, and Industry Diversification

In 2025, domestic applications for antidumping investigations reached a record high of 13 cases.
Among these, cases targeting Chinese companies accounted for 9, the largest share, followed by 3 cases involving the EU and 1 case involving Japan. Of these, 10 cases led to the actual commencement of investigations.
By industry, while the structure remains centered on basic materials such as steel, nonferrous metals, and petrochemicals, a notable feature is that the scope is expanding into advanced industries.
Analysis of Recent Antidumping Duty Cases
• Commencement of an antidumping investigation into petrochemical products
• Provisional duty rates ranging from 21.17% to a maximum of 43.60% set for certain companies producing industrial robots
The industrial robot case in particular is regarded as a symbolic example showing that antidumping measures are expanding beyond traditional manufacturing into advanced industries.
The government views the operation of this system as a means of industrial protection, and its stance of using antidumping duties as a policy tool to protect domestic industry is becoming clearer.
International Trends in Antidumping Duties
• Major economies such as the United States, the EU, India, and Brazil are active users
• Targeted products: expanding to include steel, aluminum, chemical products, solar power, batteries, and electric vehicle components
In particular, the United States and the EU are continuously strengthening antidumping measures in the steel and eco-friendly industry sectors, centered on Chinese products, and India has also significantly increased the number of investigations commenced in recent years.
This trend shows one common point, that antidumping is establishing itself not as a one-time industrial dispute but as a ‘standing trade instrument.’
2. Antidumping Duties: Strengthening Protection Centered on Strategic Industries and the Restructuring of Supply Chains
Recent antidumping measures show a trend of expanding beyond traditional manufacturing such as steel and chemicals into strategic industry areas such as industrial robots, batteries, and electric vehicle components.
This shows that countries are setting the competitiveness of their own industries and the stability of supply chains as policy objectives.
In particular, the increasing share of investigations into Chinese products is interpreted as a structural phenomenon linked to the restructuring of global supply chains.
Amid intensifying U.S.-China trade tensions and technological competition, antidumping is increasingly functioning as a trade policy tool that is combined with industrial strategy.
Possible Change in the Structure of Antidumping Duty Determination, From ‘Quantitative’ to ‘Policy-Based’
Existing antidumping duties were calculated quantitatively, centered on the dumping margin and the degree of injury to domestic industry.
The government, however, is reviewing measures to reflect the following factors in the duty determination process.
▶ Domestic market structure
▶ Price stability
▶ Trade cooperation relationships
This suggests the possibility that the duty rate will shift into a structure in which policy judgment is involved.
If qualitative factors are substantially reflected, the duty rate may vary depending on industrial conditions or the trade environment, even for the same dumping margin.
This may act as a factor that reduces the predictability of duties, and for companies with a high share of exports in particular, it acts as a variable that requires a reexamination of pricing strategy and contract structures as a whole.
Beyond Defense, the Issue of Strategic Use
The antidumping system is both a risk and, at the same time, a strategic instrument.
From the perspective of domestic manufacturers, where price distortion arises due to imported products, they may adjust the competitive environment through trade remedy procedures.
Recently, provisional duties in the high tens to the 30% range were imposed on steel products such as Chinese heavy plate, and provisional duty rates ranging from 21.17% to a maximum of 43.60% were set for certain companies with respect to industrial robots.
Cases of the commencement of antidumping investigations into petrochemical products have also continued.
These cases show that the antidumping system is directly affecting actual market price structures.
In other words, antidumping is no longer an area of passive response but is becoming an instrument that may be considered as part of industrial strategy.
Types of Companies Relatively Sensitive to Changes in the Antidumping Environment
Type of Company | Key Considerations |
Companies with high export dependence | Changes in revenue structure resulting from the commencement of investigations and the imposition of duties |
Manufacturers competing directly with China, the EU, and others | Increased likelihood of investigation as price competition intensifies |
Companies producing high-value-added and advanced products | Possible exposure due to the trend of expanding investigation scope |
Companies with complex cost structures | Risk of an unfavorable determination during the calculation of the dumping margin |
The surge in antidumping investigations and the discussion of changes in the structure of duty determination may be a signal that the trade environment is undergoing a structural shift.
Companies therefore need to recognize this as part of a medium- to long-term trade strategy rather than viewing it as a short-term issue, and to organize their response systems accordingly.
3. Antidumping Duties, the Need for a Legal Response to Changes in the Antidumping Environment
The increase in antidumping investigations and the change in the structure of duty determination are not mere trade news but variables that may directly affect corporate management.
Because policy judgment factors may, in particular, expand in the calculation of duty rates, advance review of structures, rather than after-the-fact response, is becoming important.
Systematizing the Initial Response to Antidumping Investigations
After an investigation is commenced, the submission of materials within a limited period and an explanation of the method for calculating the dumping margin are required.
At the initial stage, precisely organizing the scope of materials and the response logic may have an important effect on the determination of the duty rate.
Advance Review of Pricing, Cost, and Contract Structures
Export prices, transaction terms with affiliates, discount policies, and the structure of long-term supply contracts are used as the underlying materials for the dumping determination.
Reviewing and organizing these structures in advance may reduce the risk of future investigations and the possibility of disputes.
Reviewing the Feasibility of Using Trade Remedy Procedures and an Integrated Response

Where injury arises from imported products, it is necessary to review the feasibility of applying for an investigation and to establish a comprehensive analytical framework that includes customs and accounting elements.
Antidumping matters are a field that combines customs, accounting, and trade elements.
Accordingly, the attorneys handling corporate matters at Daeryun Law Firm LLP establish a system for comprehensively reviewing dumping margin analysis and response strategies in collaboration with in-house customs specialists who hold a licensed customs broker qualification.
For companies with a high share of exports or that compete directly with Chinese and EU companies, this is a point at which it is worth undertaking a review of trade risk.
In a phase in which the structure of duty determination is changing, advance review and systematic management are becoming more important than one-off responses.
This is a point at which an approach that manages trade risk as a strategic variable is called for.
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