Team
Lucila (Luli) I. M. Hemmingsen
Partner

Lucila (Luli) I. M. Hemmingsen
Partner
Luli has dedicated her career primarily to international arbitration, acting in high-stakes disputes across a wide range of industries and jurisdictions. Her practice centers on cross-border dispute resolution, including litigation, and public international law, with a particular focus on US and Latin America.
She built her career in some of the world’s leading firms in New York, including as a partner at King & Spalding, and previously at Kirkland & Ellis, where she co-launched the firm’s Americas arbitration practice. She also practiced with Debevoise & Plimpton and DLA Piper in New York.
Luli’s industry experience spans infrastructure and construction, renewable energy, mining, LNG, oil and gas, finance and investments, real estate, international trade, and tax. She is also recognized as a go-to advisor on the legal dimensions of the energy transition and emerging technologies, including hydrogen, carbon credits, carbon capture, batteries, and electrification. Luli handles matters in English, Spanish and Portuguese.
Luli also serves as an arbitrator. She is a Fellow of the Chartered Institute of Arbitrators (FCIArb) and a graduate of the ICC Academy.
Beyond her practice, Luli is an active champion of diversity and women’s empowerment, holding leadership positions in professional organizations and advancing initiatives that promote inclusion in the legal field. She is currently President of the Argentine Lawyer’s Association, headquartered in New York.
Recognition
Luli has been consistently recognized by the main legal directories:
• Future Leader (Partner), Who’s Who Legal
• Rising Star, Benchmark Litigation
• Legal 500 Latin America
• Latin America’s Top 100 Female Lawyers, by Latinvex
• Notable Woman in Law, by Crain’s New York Business (2022)
Admissions
Luli is dual-qualified in civil (Argentina) and common law (New York). She is admitted in the SDNY and EDNY.
Education
Luli holds a JD from Universidad Torcuato di Tella, and an LLM from the University of Pennsylvania, with distinction.
Languages: English, Spanish, Portuguese, French
Representative Experience
• Group of Mexican investors against a European state in an investor-State arbitration governed by the UNCITRAL Rules in relation to an investment in a Spanish financial institution
• A Norwegian telecommunications company in their treaty dispute against a Latin American country related to multi-million telecommunications concessions
• Antonio del Valle Ruiz et al against the Kingdom of Spain in an ICSID proceeding related to the collapse of a Spanish financial institution (discontinued)
• A public Mexican company in the infrastructure, real estate and concessions business in relation to potential investment disputes arising under NAFTA
• Middle Eastern State in a mining-related ICSID investment treaty dispute arising out of the Free Trade Agreement with the United States
• Barbadian company in an ICSID arbitration against Venezuela in connection with a vehicle import enterprise and the application of currency exchange regulations
• Spanish company in an ICSID arbitration against Venezuela in connection with the banking sector
• Italian company and investors in an ICSID arbitration against the Republic of Albania in relation to the loss of their investments in a renewable energy generation sector and in a television company
• Dutch entity in ICSID and SIAC arbitrations against the Democratic Republic of Laos related to the expropriation of their investment in the gaming industry
Commercial arbitration
• Mexican wind power generation company against US mining and energy company in relation to a dispute arising from a power purchase agreement; ICC
• Argentine beekeeping company in a dispute against a French laboratory regarding royalty payments and breach of a collaboration agreement; ICC
• Canadian company in a dispute against an oil & gas Argentine regarding the expansion of a joint venture; ICC
• U.S. technology company against a U.S. goods producer in a dispute regarding commission payments; ICC
• Mexican investors in an ICC arbitration against a Spanish financial institution in relation to a cross investment between financial entities
• Argentine subsidiary of a multinational oil and gas company in an ICC arbitration conducted in Spanish regarding a dispute with another multinational oil and gas company involving the sale of gas and transportation of gas rights through various countries in Latin America
• U.S. energy company against a Dutch turbine maker company in a dispute regarding a breach of contract for the sale of wind turbines for a wind park in Mexico; ICC
• U.S. company and its Latin American affiliates against a Swiss company in an ICC arbitration related to the health data industry
• U.S. beverage company in ICC arbitration against Mexican licensees regarding a distribution agreement
• U.S. beverage company in ICC arbitration against Colombian licensees regarding a distribution agreement
• International health insurance company in an ICC arbitration in Portuguese involving an M&A dispute arising from a business acquisition in Brazil
• The Republic of Turkey in an ICC construction arbitration related to an infrastructure project in Turkey involving Istanbul’s railway system
• Oil & Gas company from the BVI against a Brazilian oil company in a shareholder dispute regarding the construction and operation of two drilling rigs; ICC
• U.S. defense contractors in a construction ad hoc arbitration against a Latin American State in connection with the repair and maintenance of two frigates
• U.S. company in an ICDR proceeding against a Japanese company relating to pharmaceutical patents
• U.S. company in an ICDR arbitration concerning the sale of oil interests in Peru to oil companies in Colombia and Korea
• European entity of an American multinational sports-apparel corporation in a commercial dispute against a distributor, under the auspices of the Netherlands Arbitration Institute
• Argentine construction and development company in a CEMA arbitration against an Argentine real estate company in relation to the development of a mall in Buenos Aires
• U.S. beverage company against a Brazilian licensee in a dispute regarding distribution of beverages in Brazil; CCBC
Speaking Engagements
• Panelist, presenting on “Climate Change and Energy Transition Disputes and its Effect on the WEFE (water-energy-food-ecosystem) Nexus”, Fourth Digital Day organized by the Universitá Degle Studi Firenze with Sponsorship from Harvard University (March 2024)
• Panelist, ICDR Panel on “Public Construction Contracts and Construction Arbitration”, New York Arbitration Week (November 2023)
• Panelist, “Climate change, energy transition and Rule of Law in the Americas”, World Juris Association (online presentation in March 2023 and in-person presentation in July 2023)
• Faculty, Oral closing arguments in international arbitration: The Good, the Bad, the In Between, ICC Institute of World Business Law, ICC Institute Advanced Level Training, Buenos Aires (March 2023)
• Panelist, Cross Examination in International Arbitration, Georgetown International Arbitration Month (11th Edition) (March 2023)
• Panelist, International Construction Arbitration – Keeping the Project Moving Forward – Conflict Management Options, ICDR – iLaw International (February 2023)
• Panelist, Cross Examination in International Arbitration, Georgetown International Arbitration Month (11th Edition) (March 2023)
• Panelist, Sustainable Decommissioning: Reality or Utopia?, IBA Annual Meeting (November 2022)
• Panelist, The Carbon Market in Paraguay: A Panoramic View, Ferrere Abogados, Paraguay (March 2022)
• Panelist, Hot topics in arbitration, CPR Annual Meeting 2022 (March 2022)
• Moderator and Panelist, The future of PPP contracts in Latin America: beyond pandemics and broken economic equilibrium, Juris Damages Conference (December 2021)
• Guest lecturer, Degree on International Commercial and Investment Arbitration, Austral University, Argentina (July 2021)
• Guest lecturer, Degree on International Business and Arbitration, University of Mendoza, Argentina (April 2021)
• Speaker, Arbitral Parents: How to be parents in the international arbitration world without succumbing in the attempt, Club Español del Arbitraje and ERA Pledge (in Spanish; January 2021)
• Panelist, NYIAC Virtual Talks: Illegality and corruption: practical considerations for arbitrators and counsel in international arbitration and white collar crimes (held in Spanish: La Ilegalidad y la corrupción: consideraciones prácticas para árbitros y abogados de partes en arbitrajes internacionales y delitos de cuello blanco) (November 5, 2020)
• Speaker, Fourth Diploma Course on Anticorruption at the Universidad Panamericana in Mexico, jointly organized with the International Chamber of Commerce México (ICC México) (January 2020)
• Speaker, Current Issues in International Arbitration, PLI International Arbitration Day 2019, New York (June 2019)
• Speaker, Third Diploma Course on Anticorruption at the Universidad Panamericana in Mexico, jointly organized with the International Chamber of Commerce México (ICC México) (February 2019)
• Speaker, Best Practices in Cross-Border Investigations, in conjunction with KPMG, Buenos Aires (December 2018)
• Panelist and Co-Chair, “The Future of ISDS in the Context of the Free Trade Agreements Overhaul: Will Investment Arbitration Also be “Walled Off”,” ABA International Section of International Law, Mexico International Trade and Investment Conference, Mexico (November 2018)
• Panelist, “Overlap between contractual and treaty obligations of States,” New York Law School (November 2018)
• Panelist, “Best practices in arbitration,” Second Amcham Brazil Arbitration Conference “Critical View of Arbitration,” São Paulo, Brazil (June 2018)
• Panelist, “New International Arbitration Trends,” ICC YAF, Mexico (March 2018)
• Guest Lecturer, “Costs and Costs Allocation in International Arbitration,” Harvard Law School (March 2018)
• Panelist, “The Impact of Technology on International Arbitration” co-organized by the ICDR Young & International, the ICC Young Arbitrators Forum and the University of Buenos Aires, Buenos Aires (February 2018)
• Speaker, Second Diploma Course on Anticorruption at the Universidad Panamericana in Mexico, jointly organized with the International Chamber of Commerce México (ICC México) (February 2018)
• Panelist, “Challenges 2018: Addressing Risks in Cross-Border Transactions, Compliance and Dispute Resolution,” Demarest Advogados, São Paulo (December 2017)
• Panelist, “Investment and Risk Management: Arbitration, Corruption and Other Issues,” Marval, O’Farrell & Mairal, Buenos Aires (November 2017)
• Guest Lecturer at International Arbitration Seminar, Mock Arbitration, University of Chicago Law School (November 2017)
• Co-speaker, “Best Practices for Drafting Arbitration Clauses,” Training on International Arbitration, Ministry of Foreign Affairs and Ministry of Economy and Finance of Peru, Lima (August 2017)
• Panelist, “Perspectives in Dispute Resolution – Litigation and Arbitration,” 2017 CLS Brazil Forum at Columbia Law School (April 2017)
Selected Publications
• Co-author, “Carbon Reduction Claims Require Broad New Disclosures”, California Daily Journal, November 7, 2023
• Co-author, “The Mexican Supreme Court issues its opinion on AMLO’s energy legal reform”, Westlaw, May 4, 2022
• Co-author, “‘Deference to Arbitrators is Not Without Its Limits,’ But Those Limits Are Tightly Circumscribed,” New York Law Journal, February 11, 2019
• Co-author, “Discovery in Cross-Border Disputes: Choosing Between Domestic Litigation and International Arbitration,” New York Law Journal, March 9, 2018
• Co-author, “The Top-5 News in International Arbitration in 2017,” CIAR Global, January 3, 2018
• Co-author, “Through the Looking Glass: Transparency In Arbitration Costs and Costs Allocation,” New York Law Journal, November 27, 2017
• Co-author, “A Look at Argentina’s New Anti-Corruption Law,” Law360, November 21, 2017
• Co-author, “Expedited Arbitration: When Is Faster Better?” New York Law Journal, August 7, 2017