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Public International Law

We are adept at advising and representing states, corporations, international organisations, non-governmental organisations and individuals across the full spectrum of public international law.

The breadth and depth of our experience is unparalleled, and we have acted for and advised over 40 sovereign states and international organisations on the complex and far-reaching effects of public international law for decades. Our team advise on many areas of international law, including issues of sovereign immunity, investment disputes, for and against governments on expropriation, fair and equitable treatment standard, discrimination and denial of justice claims, many of which are high-profile and/or politically-sensitive cases. Our team also have experience in high level negotiations, treaty drafting and law-making.

Our renowned practice includes specialists in dispute resolution, regulatory and compliance, anti-bribery and corruption, anti-money laundering, trade and sanctions.

Experience/deals

  • All
  • Africa
  • Latin America
  • Middle East
  • UK & Europe
  • Acted for a regional infrastructure development authority

    Acted for a regional infrastructure development authority in three international arbitrations concerning national roads projects in East Africa. Successfully obtained favourable awards in disputes with Indian and Egyptian contractors.

    Africa

    Acting for a South American conglomerates’ subsidiary and its international counterpart

    Acted for a South American conglomerates’ subsidiary and its international counterpart in their claim against a trading entity, concerning a cross-border dispute and claims against the government of a Latin American country.

    Latin America

    Acting in a number of arbitrations relating to defence contracts

    Acting in a number of arbitrations relating to defence contracts and relating to ministries of defences of European countries.

    UK & Europe

    Acting for a European government in an arbitration

    Acting for a European government in an arbitration brought by a group of investors concerning the termination of a healthcare concession. The dispute involves numerous aspects of international law and EU law considerations.

    UK & Europe

    Advised a company in the oil and gas industry on sanctions regimes

    Advised a company in the oil and gas industry on sanctions regimes in various jurisdictions worldwide, including providing guidance on a significant bid for emergency repair and maintenance services for a gas pipeline from Russia to Turkey.

    UK & Europe

    Advising a government defence entity

    Advised a government defence entity, an institute of social studies and law, and a national military organisation lawfare, on reparations, enforcement of judgments, and asset tracing. This work was all undertaken pro bono.

    UK & Europe

    Defending enforcement

    Defending the enforcement against sovereign assets, representing a Middle Eastern state 

    Middle East

    Involved in various law reform projects

    Involved in various law reform projects within major international organisations, including the Energy Charter Treaty, ICSID and UNCITRAL and advising on national implementations

    UK & Europe

    Represented a Brazilian contractor

    Represented a Brazilian contractor and its UK entity in two arbitration claims against a West African government in relation to its infrastructure projects.

    Latin America

    Representing a Middle Eastern country in arbitration

    Successfully represented a Middle Eastern country in an arbitration against a petroleum company regarding the termination of a Production Sharing Agreement in an oil and gas project.

    Middle East
  • Acted for a regional infrastructure development authority

    Acted for a regional infrastructure development authority in three international arbitrations concerning national roads projects in East Africa. Successfully obtained favourable awards in disputes with Indian and Egyptian contractors.

    Africa
  • Acting for a South American conglomerates’ subsidiary and its international counterpart

    Acted for a South American conglomerates’ subsidiary and its international counterpart in their claim against a trading entity, concerning a cross-border dispute and claims against the government of a Latin American country.

    Latin America

    Represented a Brazilian contractor

    Represented a Brazilian contractor and its UK entity in two arbitration claims against a West African government in relation to its infrastructure projects.

    Latin America
  • Defending enforcement

    Defending the enforcement against sovereign assets, representing a Middle Eastern state 

    Middle East

    Representing a Middle Eastern country in arbitration

    Successfully represented a Middle Eastern country in an arbitration against a petroleum company regarding the termination of a Production Sharing Agreement in an oil and gas project.

    Middle East
  • Involved in various law reform projects

    Involved in various law reform projects within major international organisations, including the Energy Charter Treaty, ICSID and UNCITRAL and advising on national implementations

    UK & Europe

    Acting in a number of arbitrations relating to defence contracts

    Acting in a number of arbitrations relating to defence contracts and relating to ministries of defences of European countries.

    UK & Europe

    Advised a company in the oil and gas industry on sanctions regimes

    Advised a company in the oil and gas industry on sanctions regimes in various jurisdictions worldwide, including providing guidance on a significant bid for emergency repair and maintenance services for a gas pipeline from Russia to Turkey.

    UK & Europe

    Advising a government defence entity

    Advised a government defence entity, an institute of social studies and law, and a national military organisation lawfare, on reparations, enforcement of judgments, and asset tracing. This work was all undertaken pro bono.

    UK & Europe

    Acting for a European government in an arbitration

    Acting for a European government in an arbitration brought by a group of investors concerning the termination of a healthcare concession. The dispute involves numerous aspects of international law and EU law considerations.

    UK & Europe

Geopolitical risks and sanctions

Helping you keep up to date with the latest sanctions developments that may affect your business.

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Our Public International Law team

Loukas Mistelis
Loukas Mistelis

Partner

Nadia Darwazeh
Nadia Darwazeh

Partner

John Whittaker
John Whittaker

Partner

Ben Knowles
Ben Knowles

Partner & Chair of the Global Arbitration Group

Lee Bacon
Lee Bacon

Partner

Ivan Urzhumov
Ivan Urzhumov

Partner

Léonor d'Albiousse
Léonor d'Albiousse

Associate

Prakash Pillai
Prakash Pillai

Partner, Clyde & Co Clasis Singapore | Managing Director, Clasis LLC

Junxiang Koh
Junxiang Koh

Director

Georg Scherpf
Georg Scherpf

Counsel

Saskia Wolters
Saskia Wolters

Associate