JUNIOR PROFILE

Penelope Nevill

UK Bar 2026

Twenty Essex

Ranked in 1 practice area

Public International Law

London (Bar)

9 years ranked

About

Provided by Twenty Essex

UK Bar

Practice Areas

Penelope is a specialist in public international law. Her practice focuses on disputes and transactional advice across a range of areas, including public international law; immunities; investor-State dispute resolution and related proceedings under the Arbitration Act 1996; law of the sea; climate change; environmental and wildlife law; territorial and maritime boundary disputes; and human rights, among others.

She regularly advises States and companies on complex matters involving international law and has appeared before the International Court of Justice, the International Tribunal for the Law of the Sea, the Court of Justice of the European Union and the European Court of Human Rights, as well as all levels of the English Courts, including the Supreme Court.

Penelope is also a member of the Attorney General's Public International Law 'A Panel'.

Career

Read a full summary of Penelope’s career on the Twenty Essex website

Chambers Review

Provided by Chambers

UK Bar

Public International Law - London (Bar)

Band 1

Individual Editorial

Penelope Nevill advises on all aspects of public international law and is recognised for her leading work on some of the field’s most complex cross-border matters. She has appeared in a wide range of significant cases, including high-profile proceedings before international courts and tribunals, investor-state arbitrations, and cases involving sovereign immunity and jurisdictional issues. She is also a Visiting Professor at King's College London teaching international law.

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Strengths

Provided by Chambers

Penelope is knowledgeable and able to refine the complex issues into accessible points. She is responsive and always available.
Public International LawUK Bar