State-to-State Arbitration

Weil is one of a handful of law firms in the world to have significant and longstanding experience in state-to-state arbitration. We have represented both states and interested private parties in a wide variety of state-to-state disputes. Weil has also frequently represented businesses and associations in achieving their objectives in state-to-state dispute settlement proceedings.

Selected Representations

Canada and the U.S.

Canada and Brazil



During their government service, our lawyers have represented states in more than 30 disputes under the World Trade Organization (WTO) and bilateral agreements.

Sources note, “The way they understand issues is great and the response level and expertise are impeccable.”

Chambers USA

Sources note, “The service is at the highest level and the lawyers are flexible and can find solutions.”

Chambers Global

Commentators have indicated that “The lawyers are smart, and give precise and practical advice. They have a great industry understanding.”

Chambers Global

Clients praise Weil’s attorneys for their “strategic handling of matters, their responsiveness, teamwork and efficiency.”

Chambers Global

Consistently ranked Tier 1 in "International Arbitration – Governmental" in the U.S.

U.S. News – Best Lawyers "Best Law Firms" Rankings