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Tatiana Minaeva
Partner and Head of Investor-State Arbitration

Tatiana Minaeva advises on complex international arbitration and cross-jurisdictional dispute resolution matters.

Tatiana Minaeva specializes in international arbitration (both commercial and investor-state) and in cross border litigation proceedings. Tatiana has experience representing international clients in a broad spectrum of disputes relating to financial services, energy, mining, telecoms, construction, international sale of goods, and technology. Tatiana is ranked as a "global leader" in international arbitration by Who's Who Legal: Arbitration 2021, 2022 and 2023 and is recommended by Legal 500 for her work in international arbitration.

Tatiana is featured as a "distinguished advisor" in the 2023 edition of the Financier Worldwide – Power Players in international arbitration.

Tatiana is on the panel of many of the leading arbitral institutions and is often appointed as an arbitrator (including as a sole arbitrator) under the Rules of UNCITRAL, LCIA, ICC, SCC and ICAC. Tatiana has published extensively on the topic of International Arbitration and is regularly invited to speak at industry conferences.

Tatiana is a co-author of the book ICSID Rules and Regulations 2022 – Article-by-Article Commentary, which offers practical and theoretical guidance for experienced arbitration practitioners.

Directory quotes

"Tatiana Minaeva is superb and real arbitration specialist." - Legal 500 UK 2024

"Tatiana Minaeva is highly astute, particularly in relation to cross-border conflicts of laws issues, and questions relating to jurisdictional challenges and appeals of arbitration awards. She is tactically savvy and really worth having in a client’s corner." The Legal 500

"Tatiana Minaeva is very well regarded for her CIS-related experience, as well as her knowledge of international arbitration practice and procedure." - The Legal 500

Recommended - The Legal 500 UK 2022

Ranked as a "global leader" in international arbitration by Who's Who Legal: Arbitration 2021, 2022 and 2023.

Relevant work

Advised a Canadian mining company in an UNCITRAL arbitration against a government of a CIS state regarding expropriation of investments.

Advised a Turkish manufacturer in an ICSID arbitration against a government of a CIS state seeking millions of dollars of compensation under the Energy Charter Treaty and the bilateral investment treaty.

Advised 12 citizens of Kazakhstan in an ICSID arbitration against a CIS state instituted pursuant to the bilateral investment treaty between two states regarding expropriation of investments.

Advised a government of a CIS state in arbitration proceedings under the Rules of Arbitral Centre of the Austrian Federal Economic Chamber, arising from the termination of a joint venture agreement with a CIS state enterprise. 

Advised a government of a CIS state in ICSID arbitration proceedings, arising from allocation of the resort lands around a landmark lake following dissolution of the USSR.

Advised Russian investment bank in ICC arbitration regarding damages arisen from investments made into structured investment products.

Advised a Ministry of Finance of a CIS state in ICC arbitration regarding termination of a software supply contract where the main issue was jurisdiction of the ICC court.

Acted for World Wide Minerals in UNCITRAL arbitration against Republic of Kazakhstan. An arbitral tribunal convened under the UNCITRAL Arbitration Rules has held that Kazakhstan is a legal successor to the 1989 Agreement between the Government of Canada and the Government of the Union of Soviet Socialist Republics for the Promotion and Reciprocal Protection of Investments (the "Canada/USSR BIT").

Acted for Ukrainian investor against a government of the European state in ICSID arbitration regarding loss of investments in the metallurgical sector.


London Court of International Arbitration
Chartered Institute of Arbitrators