US Initiates New Trade Investigations Amid Supreme Court Rulings
The US has begun new trade probes involving several countries and the EU, potentially leading to fresh tariffs following the Supreme Court's recent decisions.
On March 11, 2026, the US government announced the launch of new trade investigations targeting a range of countries and the European Union.
These investigations are seen as a precursor to the implementation of new tariffs, especially after the Supreme Court recently invalidated previous levies.
The ongoing developments suggest a continued focus on trade policy adjustments in response to legal challenges faced by earlier tariff measures.
Updates
Update at 23:48 UTC on 2026-03-11
CNBC reported The Supreme Court ruled that President Trump lacked authority under the IEEPA to impose tariffs.
Sources: CNBC
Update at 02:56 UTC on 2026-03-12
DW News reported The US probes could lead to new tariffs on key trading partners after the Supreme Court curtailed President Donald Trump's global tariff program.
Sources: DW News
Update at 02:54 UTC on 2026-03-13
Financial Times reported Investigations could lead to fresh levies after US Supreme Court struck down many of Trump’s tariffs.
Sources: Financial Times
Update at 13:08 UTC on 2026-05-08
Le Monde reported The US Court of International Trade struck down the 10% import tax imposed on all countries on Thursday. This measure had replaced previous tariffs that the Supreme Court had ruled illegal.
Sources: Le Monde