Aimee-Jane Lee

Counsel

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London

Tel: +44 20 7786 9168

Overview

Aimee-Jane Lee is a counsel in the firm’s International Dispute Resolution Group and is based in the London office. Her practice focuses on ... Read Full Biography

Experience

- The Russian Federation in several disputes brought by former subsidiaries of Yukos Oil under the Energy Charter Treaty, including an arbitration brought by Financial Performance Holdings relating to an alleged expropriation and other breaches. In that matter, the claimant withdrew its claims and we obtained a full costs order for our client.
- An international pharmaceutical company in an ICC emergency arbitration concerning supply obligations.
- Helios Investment Partners and its investment vehicle Samba Luxco Sarl in the settlement of claims made in an ICC Arbitration regarding Samba's stake in Africatel BV. The settlement involved reducing Samba’s stake in Africatel BV from 25% to 14%, and the transfer from Africatel BV to Samba of a 34% stake in Mobile Telecommunications Limited, the Namibian telecoms operator.
- A private equity fund in ICC arbitration proceedings arising from a telecoms dispute based in Africa.
- Mobile TeleSystems in its investor-state arbitration against Uzbekistan brought under the Additional Facility of the International Centre for the Settlement of Investment Disputes (ICSID), including successfully defending an Article 45(6) application.
- Occidental Petroleum Company and Occidental Exploration and Production Company (“Occidental”) in an ICSID arbitration, winning one of the largest ever BIT awards, $1.1 billion ($1.4 billion including interest). The filing of the claim was made two days after Ecuador terminated all of Occidental’s exploration and production rights and seized all of its assets in the country. Ecuador and Occidental have arranged for payment of this award.
- A major automotive corporation as claimant in consolidated ICC London arbitration proceedings against Volkswagen in respect of a dispute involving a multibillion euro cross-shareholding and arising out of a commercial alliance formalised in December 2009.

Education

BPP Law School, 2004, L.P.C.
University of Cambridge, 2003, B.A. (Hons)
University of Oxford, 2001, B.A. (Hons)

Aimee-Jane Lee is a counsel in the firm’s International Dispute Resolution Group and is based in the London office. Her practice focuses on international commercial arbitration and litigation, and public international law. Ms. Lee has advised private clients and states across multiple jurisdictions (notably in Asia, Africa and Eastern Europe) and a number of industries, including mining, construction, hospitality, advertising and, especially, energy. She has represented clients in arbitrations conducted under the auspices of the main institutions and governed by a variety of substantive and procedural legal systems.Ms. Lee advises on the international protection of investments (notably under bilateral investment treaties, the Energy Charter Treaty and investor-state contracts) and represents her clients in associated disputes. She has also advised extensively on maritime boundary issues, treaty drafting and interpretation, the interaction between public international law and domestic law, international sanctions and human rights. Following a six-month secondment to the legal department of Liberty, the human rights organisation, she has continued to work, pro bono, on human rights issues, notably in relation to proceedings before the European Court of Human Rights and submissions to the United Nations.Noted by The Legal 500 UK as “an exceptional talent,” Ms. Lee is recommended for International Arbitration and Public International Law in the 2025 edition of the guide. The guide notes that she is “one of the maximum horsepower intellects in the firm as a whole, and can be trusted to bring true excellence to her matters.” She has also been described as “the superstar in the group,” who is “whip smart and has excellent attention to detail” and “has a good sense of balance, both in making arguments and in managing clients.” She is recommended for Public International Law in Chambers UK (2025), where she is described as a “public international law specialist” and an “exceptional and a really standout lawyer” who is “goal-oriented and makes arguments in a strong and concise manner.” Sources have also said she is “brilliant,” “she is very strong and runs cases with perfect footwork” and she is “an outstanding individual. She is fantastic - extremely able and very impressive in action.” Clients highlight her “natural ability,” saying “you can trust her to come into a case and run it well.” In previous editions of the guide, she is noted as having “a rich experience in international investment arbitrations and is quick to spot the key issues.” Chambers has previously noted that she is “praised by commentators as ‘highly committed to her cases and tremendously organised.’” She is also recommended by Who’s Who Legal (2024). The guide has noted that she is “a consummate professional and lawyer” and is known for her “very impressive” work on international commercial and public international law disputes.In addition to her legal experience, Ms. Lee has passed Levels 1, 2 and 3 of the CFA exams (Chartered Financial Analyst). She is therefore particularly proficient in assisting clients with quantum-related aspects of their dispute and liaising with quantum experts.Ms. Lee’s publications include “The Guide to Energy Arbitrations - Third Edition: Compensation in Energy Arbitration,” Global Arbitration Review (January, 2019); “English Court Of Appeal Clarifies Test For Abuse Of Process In Subsequent Litigation Collaterally Challenging An Arbitral Award,” The ALI Adviser (March, 2017); “Case Note: Venoklim Holding B.V. v. Bolivarian Republic of Venezuela. ICSID Case No. ARB/12/22, ” American Journal of International Law (January, 2016); and “The Relevance of Stabilisation Clauses in Oil & Gas Investment Treaty Arbitrations,” Leading Practitioners’ Guide to International Oil & Gas Arbitration (2015).Ms. Lee received her first B.A. (Hons) in 2001 from Oxford University (Worcester College) and her second B.A. (Hons) from Cambridge University (Jesus College) in 2003. She is admitted to practise in England & Wales (2006).