Charlene Sun

Enforcement Matters

• Representing Canadian award creditor in multi-jurisdictional proceedings to enforce a US$1 billion arbitration award against Venezuela
• Represented Chevron Corporation in the successful enforcement of a US$100 million arbitral award against Ecuador
• Represented European award creditor in proceedings to enforce a US$500 million treaty arbitration award against Kazakhstan
• Represented multiple European renewable energy companies in multi-jurisdictional proceedings to enforce Energy Charter Treaty awards against Spain and Italy
• Represented affiliate of U.S. petroleum services company in multi-jurisdictional proceedings to enforce a US$500 million arbitration award against Mexican state-owned oil company. The award was enforced in the U.S. despite having been annulled by a court in Mexico
• Representing U.K. financial institution in proceedings to enforce arbitration award against Kyrgyzstan
• Represented U.S. private equity fund in multi-jurisdictional proceedings in United States, United Arab Emirates and Singapore to enforce an arbitration award and related judgment
• Represented U.S. investment bank in proceedings to enforce a US$120 million portfolio of arbitral awards against Indian parties
• Represented U.S. defense contractor in successful multi-jurisdictional proceedings to enforce arbitration award against Greece
• Represented Southeast Asian energy companies in multi-jurisdictional proceedings to enforce US$60 million arbitration award against Lao People's Democratic Republic
• Represented New York bank in multijurisdictional proceedings to enforce New York judgment against individual and corporate judgment debtors
• Represented Spanish gas company in multijurisdictional proceedings to enforce US$2 billion award against Egypt

Arbitration Matters

• Represented Indian conglomerate in successfully defeating US$2 billion claim by Indian Government in India-seated United Nations Commission on International Trade Law (UNCITRAL) arbitration
• Represented Mexican pharmaceutical manufacturer in Mexico-seated ICC arbitration against Japanese pharmaceutical conglomerate
• Represented U.S. petroleum services company in North American Free Trade Agreement (NAFTA) arbitration against United Mexican States
• Represented U.S. liquefied natural gas (LNG) company in successfully defeating multi-billion dollar claim brought by U.K.-based multinational oil and gas company in New York-seated (International Centre for Dispute Resolution) ICDR arbitration
• Represented U.S. multinational oil and gas company in UNCITRAL arbitration convened under bilateral investment treaty in connection with fraudulent multi-billion dollar judgment issued by Ecuadorian courts

U.S. Litigation in Aid of Foreign Disputes

• Represented foreign government in fraud action against former head of state, successfully obtaining pre-judgment freeze of key U.S.-based assets and disclosure related to U.S. asset holdings
• Represent New York and Mauritius-based financial institutions in connection with U.S. proceeding for judicial discovery assistance pursuant to 28 U.S.C. § 1782
• Represented Brazilian fund manager in New York litigation proceedings against former fund manager relating to misuse of corporate funds, and related proceedings seeking judicial discovery assistance pursuant to 28 U.S.C. § 1782
• Represented Libyan sovereign wealth fund in connection with U.S. proceeding for judicial discovery assistance pursuant to 28 U.S.C. § 1782
• Represented Indian conglomerate in U.S. proceedings seeking judicial discovery assistance pursuant to 28 U.S.C. § 1782

• Co-author, "D.C. Circuit Finds that Foreign Court's Order Setting Aside Award Has No Bearing on District Court's Jurisdiction," ICC Dispute Resolution Bulletin: e-Journal of the International Chamber of Commerce (ICC), September 2022
• Co-author, "Enforcement of Awards," The Investment Treaty Arbitration Review, Sixth Edition, June 2021
• Co-author, "Enforcement of Investment Treaty Arbitration Awards," Globe Law & Business, First and Second Editions, January 2021
• Co-author, "Servotronics Inc v. Boeing Co. Considerations Regarding Section 1782 in Aid of Foreign Commercial Arbitrations and Thoughts for the Brazilian Arbitration Scenario United States," Revista Brasileira de Arbitragem, March 2020
• Co-author, "Acta iure gestionis and acta iure imperii," Max Planck Encyclopedia of Comparative Constitutional Law, June 2018
• Contributor, "International Aspects of U.S. Litigation: A Practitioner's Deskbook," American Bar Association, June 2018
• Co-author, "Rules of Reason: U.S. Courts Grapple with the Requirements for a Reasoned Award," Indian Journal of Arbitration Law, January 2017
• Co-author, "Rift Among US Courts In Enforcing Int’l Arbitration Awards," Law360, August 2015
• Co-author, "U.S. Supreme Court clarifies how to enforce forum selection clauses," Lexology, January 2014
• Co-author, "Ninth Circuit Clarifies Scope of Commercial Activity Exception to Sovereign Immunity," Lexology, December 2013
• Co-author, "International litigation update: developments concerning the Alien Tort Statute and personal jurisdiction," Lexology, May 2013
• Co-author, "Second Circuit Rules that a Judgment-Creditor is Entitled to Broad Discovery Concerning Foreign State Judgment-Debtor's Assets," Lexology, October 2012
• Co-author, "Emerging Issues in Alien Tort Statute Litigation," California Tort Reporter, February 2012
• Co-author, "Sovereign Immunity: A Venerable Concept in Transition?" ABA International Litigation Quarterly, Winter 2011
• Co-author, "International Jurisdictional Standoffs and Foreign Antisuit Injunctions," ABA International Litigation Quarterly, Spring 2010
• Co-author, "The Evolution of Judicial Review Under the Federal Arbitration Act," NYU Journal of Law & Business, Summer 2009

• Chair, FIRE Americas Conference, September 23, 2025
• Moderator, "The Costs of Sovereign Enforcement," FIRE Americas Conference, September 23, 2025
• Panelist, "The Last Hurdle: Enforcement Issues in International Arbitration," NYAC Annual Grand Central Forum, September 17, 2025
• Speaker, "Guardians of the Galaxy: Enforcing Law in Outer Space," 2024 Canadian Council on International Law Conference, November 7, 2024
• Speaker, "Compliance with Awards: Is It Waning? Can the Problem be Redressed?" Center for International Legal Studies, June 7, 2024
  
• Speaker, "The impact of Wartime and related sanctions on arbitration proceedings and the enforcement of awards," 12th ITA-IEL-ICC Joint Conference, January 19, 2024
• Speaker, "Tracing, recovering and preserving unique and difficult classes of assets," International Bar Association Asset Recovery Conference, December 6, 2023
• Speaker, "Effectively managing M&A risks and disputes: Key issues and top tips," New York Arbitration Week, November 16, 2023
• Moderator, "Enforcement of Arbitration Awards Outside of the European Union, Tracing of Assets, Effective Strategies and New Technologies to Achieve Compliance," World Arbitration Update, May 23, 2023
• Moderator, Getting to the Right Decision, CPR Annual Meeting 2023, March 1, 2023
• Speaker, "Tools outside of courts used by and against Foreign States," Sovereign & States Disputes and Enforcement, January 24, 2023
• Speaker, "King Felipe VI's address opens fall ABA global business conference in Madrid," American Bar Association, September 7, 2022
• Speaker, "International Litigation: Inbound Cross-Border Discovery," New York State Bar Association, May 3, 2022
• Speaker, "Charlene Sun to Speak at 16th ICC Conference on International Arbitration," King & Spalding, September 22, 2021