Margrit is a Solicitor-Advocate and a Managing Associate in the International Arbitration Practice at Mishcon. Margrit is qualified to practice in England and Wales.
Margrit has significant experience acting for clients in complex, high profile, multi-jurisdictional and high-value arbitrations under most major arbitral rules (ICC, LCIA, DIFC-LCIA, ICSID, UNCITRAL, Swiss Rules) and in ad hoc proceedings. She also has experience representing clients in arbitration-related English court proceedings.
Margrit's practice spans a broad range of sectors, notably the energy, infrastructure and consumer sectors. Margrit has acted for corporate clients, States and State-owned entities in commercial and investor-State proceedings. She has also appeared before an international tribunal in State-to-State proceedings.
Margrit regularly advises on issues of public international law, including in the ESG space. Her advisory experience in business and human rights includes advising a Latin American state on the implications of a draft of the UN Treaty on Business and Human Rights; advising a major industrials company on its compliance with national and international human rights standards; and providing strategic litigation advice to an NGO.
Margrit has an academic interest in international law. She held academic research positions during her LLM in Public International Law at Leiden University, where she conducted research into topical issues in investment law and interstate litigation. For a project on corruption and human rights law, she also reviewed historic OECD documents, and researched decisions of the Inter-American Court of Human Rights and the Inter-American Commission on Human Rights.
As a British, German and Argentine national, Margrit's outlook is inherently international. Margrit is an active member of the firm's Latin America & Iberia and German desks. Fluent in English, German and Spanish, she also speaks intermediate Portuguese and French, and basic Italian.
In 2022, Margrit was ranked by Legal 500 as a key lawyer in International Arbitration and Public International Law. She has also been described as "superb" and "always across all details of the case and very hard working" (Legal 500, 2021).
Key Experience
- Acted for a government entity in a dispute with a contractor arising under a PFI contract.
- Acted for a multinational oil and gas company in an ICC arbitration arising under an LNG sale and purchase agreement.
- Acted for a client in State-to-State proceedings before an international tribunal in The Hague.
- Acted for a national oil company in a complex contractual dispute brought against it for tens of billions of US dollars concerning gas sales.
- Acted for a state in an arbitration brought under the OIC Treaty relating to an investment in the oil sector.
- Acted for an investor in ICC proceedings brought under the Cyprus-Poland Bilateral Investment Treaty.
- Advised a Latin American state on the implications of a draft of the UN Business and Human Rights Treaty.
- Acted for an investor in an ICSID claim brought under the Egypt-Netherlands Bilateral Investment Treaty.
- Acted for a client in parallel arbitration and litigation proceedings arising under a Cost-Sharing Agreement in the beverage alcohol industry.
- Acted for a client in an arbitration under the ICC Expedited Procedure Provisions.
- Acted in litigation and arbitration proceedings that arose out of the 1MDB scandal.
- Acted for two subsidiaries of a Hong Kong multinational company in parallel proceedings in the London High Court and DIFC-LCIA arbitration proceedings concerning a multi-million international sale of goods claim.
- Acted for two companies in a dispute arising under a Cooperation Agreement relating to various upstream and downstream oil projects in a north African state.
Career History
Managing Associate, Mishcon de Reya LLP
Consultant, Simmons & Simmons LLP
Senior Associate, Eversheds Sutherland (International) LLP
Associate, Eversheds Sutherland (International) LLP
Trainee, Eversheds Sutherland (International) LLP
Leiden University, LLM in Public International Law
London School of Economics, Summer School Course in International Litigation and Arbitration
The College of Law, Graduate Diploma in Law and Legal Practice Course
Exeter University, MA in International Relations and BA in Politics and Spanish
Articles and Publications