Jonathan’s clients are wide-ranging and include sovereign States (seven different States in the last eight years), UK Government departments (e.g. Foreign, Commonwealth and Development Office, Department for Business and Trade, Cabinet Office), businesses and multinational corporations, high-net worth individuals and private parties (e.g. Viorel Micula, Marsha Lazareva), NGOs, civil society groups and international organisations. He has experience acting in cases before a variety of courts and tribunals, including:
Jonathan’s international practice includes all aspects of public international law and international arbitration. He acts for States and private parties in cases ranging from investment disputes to disputes concerning territory, the use of transboundary rivers and overseas territories law. In addition to his international litigation practice, Jonathan has notable expertise acting as legal counsel/legal adviser to States during high-stakes international negotiations and significant advisory projects, including in matters ranging from the negotiation of BITs and FTAs to maritime boundaries and constitutions.
Jonathan’s domestic practice covers the full spectrum of commercial disputes, from civil fraud to shareholder disputes, product liability and contract claims. He has broad sectoral experience including in respect of banking and finance, mining, pharmaceuticals/healthcare, aviation and insurance. Group and multi-party claims comprise an increasingly significant part of Jonathan’s domestic practice, particularly where cases concern parent company liability, ESG or civil liability for alleged transnational torts and human rights abuses committed abroad.
Jonathan has notable experience (both before domestic and international courts and tribunals) in cases of private international law/conflicts of laws, environmental law and public law/human rights. His work frequently includes cases at the intersection of these areas (e.g. sanctions, civil damages claims against Government and ESG claims). He has acted in, among other matters:
The legal directories describe Jonathan as a “highly sought after practitioner”, with an excellent ability to see both the “bigger picture of an issue” while also providing “precise and thoughtful” legal advice. Jonathan has further been described as having a “quick, sharp intelligence” and “a wonderful ability to see to the heart of the matter and to explain the key questions and process clearly, bringing the team and the clients together.” Clients have additionally praised Jonathan for “always thinking two steps ahead”, for being an “excellent technical lawyer” and a “persuasive and charming advocate”.
For additional details of Jonathan’s practice, please see the tabs below.
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Jonathan has a broad commercial practice covering all aspects of commercial disputes, from civil fraud to the sale and supply of goods and services, shareholder disputes, product liability, sanctions, environmental harm, personal injury and arbitration enforcement. He has wide sectoral experience, including in respect of banking and finance, mining, pharmaceuticals/healthcare, aviation and insurance.
Group and multiparty actions comprise an increasingly significant part of Jonathan’s commercial practice, particularly where cases involve jurisdiction challenges, questions of foreign law or parent company liability for transnational torts/torts committed abroad. For further details on Jonathan’s group and multi-party experience, see the tab below.
Jonathan has notable experience (both before domestic and international courts and tribunals) in cases of private international law/conflicts of laws, environmental law and public law/human rights. His work frequently includes cases at the intersection of these areas (e.g. sanctions and civil damages claims against Government).
For further details on Jonathan’s experience in these areas, please see the tabs below.
Example cases include:
Group and multi-party actions comprise an increasingly significant part of Jonathan’s practice, particularly where cases involve jurisdiction challenges, questions of foreign law or parent company liability for transnational torts/torts committed abroad (both environmental claims and human rights claims).
Jonathan has acted in jurisdiction challenges concerning cases with facts arising in, among others, Anguilla, Korea (Republic of), Spain and South America. He has also acted in cases involving aspects of Anguillan, Bermudian, Cypriot, Caymanian, German, Greek, Falkland Islands, Iraqi, Korean, Kuwaiti, Mauritian and Spanish law.
Example cases include:
Jonathan’s practice includes environmental law cases both before international courts and tribunals and domestic courts. His instructions are varied and range from acting for States in public international law disputes regarding the use of international watercourses, to acting for parties in transboundary environmental tort claims and environmental claims raising questions of public law.
Example cases include:
Jonathan has a broad international arbitration practice that includes commercial arbitration, investment disputes and international trade. He acts as counsel for commercial parties, private individuals and States in arbitrations under the LCIA, ICC, ICSID, UNCITRAL, AAA rules etc and in arbitration related court proceedings before the English courts. He further acts for States as legal counsel/legal adviser in respect of the negotiation of BITs and FTAs.
Example cases include:
Jonathan’s public and human rights law practice includes both international human rights law and domestic human rights / public law.
Internationally, Jonathan’s cases span the full range of international human rights law, from fair trial rights to same-sex marriage rights. Jonathan has notable expertise in cases before UN Special Procedures (such as the Working Group on Arbitrary Detention, Special Rapporteurs, UN Reprisals mechanisms), as well cases before the UN Human Rights Council Universal Periodic Reviews and the European Court of Human Rights.
Before the domestic courts, Jonathan’s practice includes human rights claims under the Human Rights Act as well as general public law claims. His practice further extends to sanctions, civil damages claims against Government and questions relating to the UK overseas territories, in respect of which he has significant experience acting for the Foreign, Commonwealth and Development Office.
Example cases include:
Jonathan has a substantial public international law practice spanning all areas of public international law (e.g. law of the sea; the law of treaties; immunities; State responsibility; international criminal law; international environmental law; international organizations).
In addition to his international litigation practice, Jonathan has notable experience as legal counsel/legal adviser to States during high-stakes international negotiations and significant advisory projects, including in matters ranging from the negotiation of BITs and FTAs to maritime boundaries and constitutions.
Example cases include:
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