
USTR
Cabinet-level US trade body that negotiates agreements, enforces trade law, and advises the President.
Last refreshed: 7 May 2026
Will USTR's July 2026 Section 301 ruling trigger a US-EU digital trade war?
Timeline for USTR
Three EU-US deadlines collide in 9 days
European Tech SovereigntyMentioned in: Brussels keeps Google DMA replies sealed
European Tech Sovereignty- What is the USTR and what does it do?
- The Office of the United States Trade Representative is a Cabinet-level agency that negotiates US trade agreements, advises the President on trade policy, and enforces US rights under WTO rules and domestic trade statutes including Section 301.Source: ustr.gov
- Who is the current United States Trade Representative?
- Jamieson Greer serves as the current United States Trade Representative under the Trump administration.Source: Wikipedia
- What is a Section 301 investigation?
- A Section 301 investigation under the Trade Act of 1974 allows USTR to investigate foreign practices it deems unfair or discriminatory and to impose retaliatory tariffs or other trade measures if no remedy is agreed.Source: ustr.gov
- Why is USTR investigating EU digital rules in 2026?
- USTR opened a Section 301 inquiry into EU digital-services regulations — including the Digital Markets Act and Digital Services Act — arguing they discriminate against US technology companies. A final determination is due 24 July 2026.Source: european-tech-sovereignty
- How does USTR differ from the WTO?
- USTR is a US government agency that develops and enforces American trade policy, including filing WTO complaints on the US's behalf. The WTO is a multilateral organisation; USTR is the US's representative to it and its domestic trade-law enforcer.Source: Wikipedia
Background
The Office of the United States Trade Representative is the Cabinet-level body responsible for developing and co-ordinating US international trade, commodity, and direct-investment policy. In 2025-26 it became a primary instrument of the Trump administration's tariff programme, opening Section 301 investigations into EU digital-services regulations, Chinese technology practices, and agricultural trade barriers simultaneously, marking one of the most active enforcement periods in the agency's history. Its Section 301 final determination on EU digital rules is due 24 July 2026, sitting nine days before the EU AI Act's GPAI enforcement activation — a collision with no published co-ordination between Brussels and Washington.
USTR was created under the Trade Expansion Act of 1962 as the Office of the Special Trade Representative. It was elevated to full Cabinet rank and renamed in 1979-80 under the Omnibus Trade and Competitiveness Act framework, which also cemented its mandate as the President's principal trade advisor and lead negotiator for all bilateral and multilateral agreements. The office employs around 200 specialist trade officials in Washington, Geneva, and Brussels, operating on an annual budget of approximately $73 million. Its statutory toolkit spans Section 301 (unfair trade practices), Section 201 (import safeguards), and the full machinery of WTO dispute-settlement proceedings.
Beyond any single docket, USTR is the US government's clearing-house for every significant trade relationship. It led the USMCA renegotiation with Canada and Mexico, publishes the annual National Trade Estimate Report on Foreign Trade Barriers, issues the Special 301 Report on intellectual-property enforcement, and maintains the Notorious Markets list. It has been the counterparty to EU complaints over steel and aluminium tariffs, the conductor of the Phase One China trade deal, and the enforcer of agricultural-market access commitments across dozens of bilateral agreements. Its decisions cascade through WTO panels, congressional trade authority, and the diplomatic relationships of every major trading partner.