First Majestic v. Mexico (I) (Decision on ClaimantΓÇÖs Second Request for Provisional Measures)
ICSID · Investment (ICSID and treaty) · International (investor-state) · January 29, 2026
Why it matters
First Majestic v. Mexico is an investment-treaty arbitration, in which a foreign investor argued that a state had fallen short of the protections it had promised under a treaty. Disputes of this kind turn on the balance between an investor's protections and a state's freedom to regulate in the public interest. The tribunal's full reasoning, and any sum awarded, are set out in the original.
Summary
This is the decision on claimantγçös second request for provisional measures in First Majestic v. Mexico (I), handed down on 29 January 2026. It belongs to the world of investment-treaty arbitration, in which a foreign investor brings a claim against a state, saying the state has breached the protections promised to investors under a treaty. The claim arose under the NAFTA. The matter was administered by ICSID, the usual machinery for disputes of this kind. italaw is the established open archive for this field, and this entry points to its record; the tribunal's full reasoning, and any sum it awarded, are set out in the document itself.
The detail
Parties: First Majestic v. Mexico (I)
Case number: See italaw record
Outcome: Decision on ClaimantΓÇÖs Second Request for Provisional Measures in First Majestic v. Mexico (I). The disposition is set out in the original.
Applicable law: The applicable investment treaty; ICSID, UNCITRAL or ad hoc arbitration rules.
Issues in play: A foreign investor's treaty protections weighed against a sovereign state's exercise of its powers.
Read the full decision at italaw ↗
Locus Standi links to the source decision and publishes its own plain-language summary. It does not reproduce the text of the award.