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Investment treaty awardUnpaid

Odyssey Marine Exploration v. Mexico

Seabed phosphate mining permit

Headline amount
$37.1MPrincipal
Respondent
MexicoState
Awarded
Sep 17, 2024
Status
UnpaidNothing collected

Latest development Aug 11, 2026

Odyssey reported that the set-aside application remains pending, with a hearing set for March 2027.

The award

Amount awarded
$37.1M plus interest at the one-year Mexican Treasury bond rate, compounded annually from October 12, 2018, plus arbitration costs
Award holder
Odyssey Marine Exploration, Inc., on its own behalf and for its Mexican subsidiary ExO
Respondent
United Mexican States
Forum
NAFTA Chapter Eleven · ICSID-administered (UNCT/20/1) · set-aside pending in Ontario

Challenges

Mexico applied to the Ontario Superior Court of Justice on December 12, 2024 to set aside the award. A hearing is scheduled for March 2027, per Odyssey. The tribunal decided Mexico’s request for interpretation on December 16, 2024.

Enforcement

None reported.

Recovered to date

None reported.