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Writer's pictureSovereign Arbitration Advisors

Motion to intervene in United Mexican States v. Lion

Updated: May 5

Sovereign Arbitration Advisors represents intervenor in ICSID AF award vacatur proceedings


Luis Parada and Csaba Rusznak are representing an individual in seeking to vacate an ICSID Additional Facility award before the United States District Court for the District of Columbia.


As a non-party to the litigation, our client has filed a motion to intervene in the proceedings for the purpose of supporting the Respondent State’s petition to vacate the underlying arbitral award.


This is the first known motion to intervene in post-award litigation proceedings by a non-party in the investor-State arbitration context. The litigation remains pending.


Relevant Members

-Luis A. Parada

-Csaba M. Rusznak

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