Arnold & Porter

Public International Law Department

Global-wide
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What the team is known for Prestigious firm regularly tackling sophisticated, high-value cases under all major arbitral rules. Frequently represents sovereign states and corporate clients in investment treaty arbitrations, with particular proficiency in Latin American disputes and commendable experience acting for European and Asian states. Also draws upon its deep bench of former US State Department lawyers and former US government officials to provide expertise in foreign sovereign immunity proceedings before US courts. Further highlighted for its 'pure' PIL advisory work on behalf of governments, encompassing human rights and maritime boundary issues.

Strengths Clients report: "They're very punctual, always available, very responsive and very careful, with utmost attention to detail."

Other sources single out the firm for its "excellent bilingual teams" and its "extreme competence in sovereign immunity issues."

One interviewee concluded: "I can't think of a single time where they didn't give superb service."

Work highlights Successfully defended the Czech Republic against two arbitration claims under the Germany-Czech Republic BIT relating to investments in the Czech solar power sector.

Represented the French state-owned railway company SNCF in litigation in the Northern District of Illinois filed under the Foreign Sovereign Immunities Act.

Notable practitioners

John Bellinger is a sought-after authority in the field of foreign relations litigation and has long-standing experience representing states and government officials before US courts. One interviewee deemed him "one of the best in the world for sovereign immunity issues," adding: "He provides superb advice, not only on the legal issues but also on their diplomatic ramifications." He is based in Washington, DC.

Washington, DC-based Paolo Di Rosa offers specialist knowledge of investment treaty arbitration and has excellent experience representing sovereign states in high-stakes disputes across Latin America, Europe and Asia. He garners praise from clients, who say: "He is brilliant and hard-working," adding that "his knowledge of the arbitration process and legal issues is vast and impressive."