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Tatyana Eatwell specialises in public international law and international human rights law.

Tatyana has expertise in public international law, international humanitarian law, international criminal law and international human rights law.

Tatyana advises States, individuals, international and non-governmental organisations on a wide range of public international law and international human rights law issues. Her cases include matters concerning arbitrary detention, extra-judicial killing, war crimes and terrorism, sanctions, self-determination, and State responsibility.

Tatyana has acted in high-profile criminal appeals before the UK Supreme Court that concern the interpretation of international law on, for example, war crimes, terrorism, and torture, and the application of international law in domestic proceedings.

Tatyana acts as specialist human rights counsel in enforcement proceedings in the Commercial Court.

Tatyana was awarded her PhD in Public International Law from the University of Cambridge in February 2020.

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

International Law

Tatyana advises States, individuals, international organisations and non-governmental organisations on a wide range of public international law and international human rights law issues that include arbitrary detention, extra-judicial killing, consular access and diplomatic protection, terrorism and armed conflict, sanctions, self-determination, State responsibility, and the extra-territorial application of human rights treaties.

Tatyana has acted for high net-worth individuals based in Asia, Europe, the Middle East and North Africa on matters relating to allegations of sanctions-busting, corruption and money laundering, the freezing and seizure of assets, and related human rights, security and reputation management concerns. She has experience acting for clients alongside both experts in security and experts in online reputation and digital risk management.

Tatyana also advises individuals and organisations on the engagement of treaty-based and regional human rights complaint procedures, including the European Court of Human Rights and the UN Human Rights Committee, and the Special Procedures mechanisms of the UN Human Rights Council.

She has provided expert evidence and opinion to the United Nations and parliamentary select committees. Recent examples include:

  • written evidence to the Foreign Affairs Committee Inquiry on Xinjiang Detention Camps;

  • expert evidence to the UN Working Group on Arbitrary Detention on consular access and diplomatic protection of dual nationals; and

  • expert opinion to the UN Special Rapporteur on extrajudicial, summary or arbitrary killings on questions of immunity and jurisdiction arising out of the murder of journalist, Jamal Khashoggi.

Notable cases include:

  • London Steam-ship Owners’ Mutual Insurance Association Ltd v Spain (M/T “Prestige”), Brussels Regulation proceedings (Commercial Court). Judgment pending.

  • Abu Hussein, Murtaja, Amarneh and Eshtayeh v Israel, complaint to UN Special Rapporteur on Extrajudicial, Summary and Arbitrary Executions concerning the targeting and excessive use of lethal force against above named Palestinian journalists in the Occupied Palestinian Territories.

  • International Federation of Journalists and Palestinian Journalists’ Syndicate v Israel, complaint to the UN Special Rapporteur on Freedom of Expression concerning the systematic targeting of Palestinian journalists covering protest in the Occupied Palestinian Territories.

  • R v Reeves Taylor [2019] UKSC 51, on the definition of torture as provided by Art.1 of the UN Convention against Torture and section 134 of the Criminal Justice Act 1988. (Junior counsel for the Appellant, led by Steven Powles QC)

  • Re. Christopher Allen, dual British-US citizen and journalist killed in South Sudan in August 2017. (Direct Access, led by Caoilfhionn Gallagher QC)

  • Legal Consequences of the Separation of the Chagos Archipelago from Mauritius in 1965, International Court of Justice, Advisory Opinion of 25 February 2019 (Legal advisor to the African Union)

  • Re. Nazanin Zaghari-Ratcliffe, British-Iranian national arbitrarily detained in Iran.  (Instructed by REDRESS)

  • Zakka v Iran, Lebanese citizen and US permanent resident arbitrarily detained in Iran. Counsel on matters of international human rights law and represented Mr Zakka in his complaint to the UN Working Group on Arbitrary Detention.

  • R v Gul [2013] UKSC 64 on the scope of the definition of terrorism in situations of armed conflict. (Junior counsel for the Appellant, led by Tim Moloney QC)

Publications and Seminars

Tatyana has a PhD from the University of Cambridge in Public International Law. Her thesis focuses on questions of attribution and is titled ‘State Responsibility for the Unlawful Conduct of Armed Groups’ (due to be published by Cambridge University Press in 2022).

Tatyana regularly participates in seminars and conferences on current issues in public international law and international human rights law and has guest lectured on international law and the use of force and on terrorism at the University of Southern California (USA).

Recent and upcoming engagements:

  • International Law Association (British Branch) Spring Conference, ‘Synergy Between the Law of Treaties and the Law of International Responsibility: So Far Apart But Still So Close’, 23 April 2021

  • European Society of International Law (ESIL) Interest Group on International Justice, Journal of International Criminal Justice, ‘Torture by Non-State Actors: Rationale(s), Legal Frameworks and Implications’, 30 March 2021

  • Hostage Aid Worldwide, Launch Event: Issues related to State Sponsored Hostage Taking, 4 March 2021

  • CREID and Refcemi, ‘Religious Inequalities as “Conditions of Life Calculated to Bring about the Physical Destruction in Whole or in Part” Deliberately Inflicted on Religious Minority Groups’, 25 February 2021

  • The All-Party Parliamentary Group on Uyghurs, Coalition for Genocide and René Cassin, ‘Addressing the Many Faces of Complicity in Genocide’, 4 February 2021

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