Dr Inga Martinkutė
Dr Inga Martinkutė is a partner at MMSP and an international dispute-resolution lawyer with more than twenty years of experience as counsel and arbitrator. She specialises in international investment law and arbitration, complex commercial disputes and public international law.
Dr Martinkutė has represented states, state-owned enterprises and private investors in significant disputes across the Baltic region and wider Central and Eastern Europe. Her practice combines extensive experience in investment-treaty and commercial arbitration with academic expertise in investment protection, comparative property law and international dispute settlement.
Key Areas of Expertise
Representative Matters
- Acting for the Republic of Lithuania in a UNCITRAL investment arbitration brought by Gazprom concerning the implementation of the EU Third Energy Package.
- Acting for the Republic of Lithuania in an SCC arbitration against Gazprom concerning natural-gas pricing.
- Acting for Lithuania in ICC proceedings arising from changes to the regulation of the district-heating sector.
- Acting for the Republic of Lithuania in Bosca v Republic of Lithuania, an investment dispute conducted under the UNCITRAL Arbitration Rules.
- Representing Lithuania’s national railway company in major UNCITRAL commercial arbitrations concerning contractual relations with a large oil refinery.
- Advising investors on investment protection and potential disputes in the banking, energy and agricultural sectors.
- Advising on and negotiating settlements between investors and the Republic of Lithuania.
- Participating in Lithuania’s legal delegation in the proceedings before the International Court of Justice in Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v Russian Federation).
Arbitral, Professional and Academic Appointments
Dr Martinkutė has been designated by the Government of Lithuania to the ICSID Panel of Arbitrators on two occasions. Her current term runs until November 2029. She is also included on the principal list of arbitrators maintained by the Vilnius Court of Commercial Arbitration and has acted as arbitrator in proceedings under different arbitral rules.
She is a member of the editorial board of the European Investment Law and Arbitration Review and an assistant professor at the Faculty of Law of Vilnius University, where she teaches International Dispute Resolution. She served on the Board of the European Society of International Law from 2022 to 2024 and played a leading role in bringing the Society’s 2024 Annual Conference to Vilnius.
Professional Recognition
Dr Martinkutė is a member of the British Institute of International and Comparative Law’s Investment Treaty Forum.
Publications and Speaking Engagements
Dr Martinkutė is the author of Reconciling Domestic Property Regimes and International Investment Protection: Origins, Comparisons and Contestations, published by Brill | Nijhoff in 2026 as part of its International Investment Law series.
Her other publications include:
- “Never-Ending Achmea Saga: A New Episode from Lithuanian Courts Confirms That Intra-EU BITs Are Really Over,” Kluwer Arbitration Blog (2022).
- “State Interference with Private Property,” Max Planck Encyclopedia of Comparative Constitutional Law, Oxford University Press (2020).
- “The Delimitation of Contractual Rights and Property in International Investment Law,” European Investment Law and Arbitration Review (2016).
She regularly speaks at international academic and professional events. Recent engagements include the British Institute of International and Comparative Law’s Investment Treaty Forum, where she addressed expropriation and evolving standards of investment protection; the inaugural ISDS Singapore Conference; conferences on ISDS reform in China; European Society of International Law events; and academic workshops in Singapore, London, Edinburgh, Glasgow, Göttingen and Bangkok.
Languages
Lithuanian, English and Russian; basic French.
Education and Professional Memberships
- PhD in Law, National University of Singapore, 2020.
- LL.M. in International Business Law, University College London, 2005.
- Master’s degree in International and European Union Law, Vilnius University, 2002.
- Attorney-at-law and member of the Lithuanian Bar, since 2003.
- Member of the ICSID Panel of Arbitrators.
- Arbitrator listed by the Vilnius Court of Commercial Arbitration.
- Member of the European Society of International Law.
- Member of the Investment Treaty Forum of the British Institute of International and Comparative Law.