News & Achievements

Eleventh Circuit Enforces US$270 Million International Arbitration Award in Complete Victory for Panama Canal Authority

Deals & Cases

In the latest result in a series of long-running legal actions where Vinson & Elkins is lead counsel representing the Panama Canal Authority (“ACP”) arising out of complex and high value construction disputes with Grupo Unidos por el Canal (“GUPC”), a consortium of European and Panamanian companies who designed and built the Third Set of Locks, the US Court of Appeals for the Eleventh Circuit denied GUPC’s attempts to vacate an ICC arbitral award.

The underlying arbitration in this case related specifically to various issues with the concrete and aggregates used for the project as well as geological conditions in the area and other related issues. An ICC tribunal seated in Miami (the “Tribunal”) originally issued Awards on the merits,  resulting in sums payable to the ACP in the order of US$270 million (which included a substantial portion of the ACP’s legal costs).

GUPC  sought to vacate the Awards in the U.S. District Court for the Southern District of Florida in Miami with the ACP subsequently filing a separate cross motion to enforce the Award.

The U.S. District Court (following the same finding by the ICC Court) denied the Contractor’s Motion to Vacate and granted the ACP’s Motion to Confirm the Award. Notably, the Court held that GUPC’s  challenges were “nothing more than speculation.”

Subsequently, GUPC filed the appeal in the US Court of Appeals for the Eleventh Circuit seeking to overturn the decision of the District Court.

On 17 August 2023, The Eleventh Circuit concluded that the arbitrators’ alleged failure to disclose several lucrative cross-appointments and ongoing relationships between them was not enough to warrant vacating the awards. The Court noted that because “we agree with the International Court of Arbitration and the district court that [GUPC] has presented nothing that comes near the high threshold required for vacatur, we affirm the denial of vacatur and the confirmation of the awards”.

The Vinson & Elkins team representing ACP is led by partner Nick Henchie, who has represented the ACP for 16 years, with assistance from partner Scott Stiegler and associates Ben Grunberger-Kirsh and Rebecca Hilton.  The ACP was represented in the U.S. court proceedings by partners Jim Loftis and Jeremy Marwell with assistance from counsels Peter Danysh, Matt Hoffman, Timothy Tyler and Max Etchemendy and senior associate Lawrence Winsor.

About Vinson & Elkins
For more than a century, Vinson & Elkins has provided outstanding client service across important industries that drive the global economy. Built on a strong culture of collaboration across 14 offices worldwide, V&E lawyers are committed to excellence, offering clients decades of legal experience in handling transactions, investments, projects and disputes across the globe. Learn more by visiting www.velaw.com or connect with us on LinkedIn.

For more information, please speak with our media contacts.

Discover our latest:

Insights

CLE Events

Sixth Annual Navigating the Annual Meeting and Reporting Season 

Join leading practitioners and industry voices for a timely discussion of the legal, regulatory, and governance developments shaping the next proxy season.

November 11, 2026

November 11, 2026 • 1-minute read

Navigating Series Background Decorative Image

Events

David Strong Speaking at PLI Tax Strategies Conference in New York, Chicago, and Los Angeles

Partner David Strong will present on “Section 1202 Qualified Small Business Stock (QSBS)” at PLI’s Tax Strategies for Corporate Acquisitions, …

Multiple Dates

Multiple Dates • 1-minute read

Events

Vinson & Elkins Sponsoring and Speaking at TEI Annual Conference

Vinson & Elkins is a platinum sponsor of the 2026 TEI Annual Conference, taking place October 18–21 in Nashville, Tennessee. …

October 18–21, 2026

October 18–21, 2026 • 1-minute read

Client Alerts

Governance & Sustainability Roundup – October 14, 2026

Welcome to our Governance & Sustainability Roundup — Our regular briefing that gives a quick overview of what has recently …

October 14, 2026

October 14, 2026 • 13-minute read

Events

Jenny Speck to Speak at 18th Annual OPIS RFS, RINs & Biofuels Forum

Partner Jenny Speck will speak on the panel “Credit Where Credit is Due: Finalizing 45Z” at the 18th Annual OPIS …

October 13, 2026

October 13, 2026 • 1-minute read

News & Achievements
V&E

Get in Touch

Thoughts or questions? Send us a note, and we’ll connect you with the right person.

The ESG GC: How Your Role as Chief Legal Officer is Integral To Your Company’s ESG Efforts Background Image