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Tatyana Eatwell is a specialist in international law.

She has particular expertise in international humanitarian law, international criminal law and international human rights law, and has a background in domestic criminal law. She has appeared before courts and tribunals at all levels, including the Supreme Court. Her practice includes cases involving diplomatic protection, human rights, national security, and refugee law.

Notable Cases Include:

  • Request to the International Court of Justice for Advisory Opinion on the Legal Consequences of the Separation of the Chagos Archipelago from Mauritius in 1965 (Advisor to the African Union)
  • Nazanin Zaghari-Ratcliffe, British-Iranian national arbitrarily detained in Iran (counsel to her husband, Richard Ratcliffe, instructed by REDRESS)
  • I v Qatar: Advice to Colombian national arbitrarily detained in Qatar on legal avenues for redress (including complaints to UN Special Procedure Mechanisms)
  • R v Gul [2013] UKSC 64, the first time the Supreme Court of the United Kingdom considered the scope of the definition of terrorism in situations of armed conflict (junior counsel for the appellant, led by Tim Moloney QC)

In addition, Tatyana conducts advisory work for individuals, non-governmental organisations and international organisations. She has appeared before the UN Working Group on Arbitrary Detention as an expert on international law, consular access and diplomatic protection of dual nationals.

Alongside her practice Tatyana is writing her PhD in Public International Law at the University of Cambridge.


  • ‘State Responsibility, ‘Successful’ Insurrectional Movements, and Governments of National Reconciliation’ in J. Summers and A. Gough (eds.), Non-State Actors and International Obligations: Creation, Evolution and Enforcement (Brill Nijhoff, 2018).
  • ‘Selling the Pass: Habeas corpus, diplomatic relations and the protection of siberty and security of persons detained abroad’ (2013) 62 ICLQ 727
  • A Compilation of Immigration and Asylum Policies of the Home Office, Vols 1 & 2 (2009, HJA Training & ILPA)

Tatyana can be instructed on a direct access basis under the Bar’s Direct Access Scheme.