Ranked in 2 Practice Areas
2

Band 2

Public International Law

London (Bar)

6 Years Ranked

3

Band 3

Competition Law

London (Bar)

6 Years Ranked

Ranked in Guides

About

Provided by Thomas Sebastian

UK Bar

Practice Areas

Thomas acts in complex regulatory and commercial disputes.

Thomas’ practice is diverse and spans public international law, international commercial arbitration and competition law.

- Thomas concentrates his public international law practice on international economic law (WTO law, trade law more generally and investment treaty law). He has acted for over 20 sovereign states and has extensive experience of handling disputes where important regulatory and financial interests are at stake.

- Thomas’ international commercial arbitration cases usually involve complex technical or economic issues. He has a particular interest in disputes governed by Indian law or involving Indian assets.

- Thomas also acts in competition law cases in the English courts. He has considerable experience in competition damages litigation (including collective proceedings) and in challenges to regulatory decisions.

He has acted at all levels of the English courts and before a wide variety of international tribunals (including WTO panels, the CJEU and ICSID tribunals).

Career

- 2023 onwards: Essex Court Chambers, London

- 2012-2023: Monckton Chambers, London

- 2010-2012: Allen & Overy LLP, London

- 2002-2009: Advisory Centre on WTO Law, Geneva

Qualifications

- 2012, Barrister, England and Wales

- 1999, Advocate, India

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