Public International Law
Allen & Overy advises national and international corporations, financial institutions, international organisations, governments and States on all contentious and non-contentious aspects of public international law. Our market-leading practice includes specialists in environmental law, regulatory compliance and risk management, dispute resolution, anti-bribery and corruption, anti-money laundering, public law, human rights and sanctions.
A&O’s public international law advisory work includes:
- The drafting and interpretation of international treaties and conventions
- Maritime, territorial and boundary rights
- State succession
- International sanctions regimes
- Privileges and immunities of States and international organisations
- Recognition of States and State succession
- Title to natural resources and international environmental law
- Use of force and international humanitarian law
- Space law
- Trade law
We also advise on contentious Public International Law matters, including State-to-State disputes under public international law, including boundary disputes, and have a market-leading investment treaty arbitration practice.
Our experts have acted as counsel before international courts and special tribunals, such as the Iran-US Claims Tribunal, and advised states on out-of-court strategies for dispute resolution, including before UN fora. We are also one of only a handful of law firms with experience of contentious World Trade Organisation proceedings.
Le nostre aree di specializzazione
Meet our lawyers
News and insights
Publications: 08 January 2024
Novità in tema di titolarità effettiva
Nella Gazzetta Ufficiale n. 236 del 9 ottobre 2023, è stato pubblicato il Decreto 29 settembre 2023 del Ministero delle Imprese e del Made in Italy (il Provvedimento) che attesta l'operatività del…
Publications: 14 December 2023
Whistleblowing: pronti al via?
Ai blocchi di partenza le nuove norme sul whistleblowing che dal 17 dicembre riguardano anche le aziende fra i 50 e i 249 dipendenti, già applicabili dal 15 luglio 2023 per gli altri soggetti.
Publications: 16 October 2023
Conversione in legge del Decreto Giustizia
Le novità in materia di reati ex D.Lgs. 231, turbata libertà degli incanti, reati ambientali e implicazioni pratiche sui Modelli Organizzativi degli enti.
Publications: 04 October 2023
Expert Talk: mediazione, i vantaggi e le novità
Intervista a Nicola Giudice, Responsabile del servizio di conciliazione della Camera Arbitrale di Milano.
Awards and achievements
- Tier One, Public International Law, Legal 500 UK 2022
- Band 1, Dispute Resolution, Global: Multi-Jurisdictional,, Chambers Global 2022
- International Arbitration Firm of the Year, Benchmark Litigation Asia-Pacific Awards 2020
- Leading firm (top tier) ranking in the “Leaders League” table for International Arbitration (Spain) 2022
- 24 lawyers ranked in Who's Who Legal: Arbitration 2024, including one Global Elite Thought Leader and nine Thought Leaders
Riconoscimenti
Strong track record in representing sovereign states and corporates in high-value investment treaty disputes. Considerable experience carrying out its own advocacy before courts and tribunals. Also adept at handling a number of other public international law matters, such as ECT claims, WTO cases, sovereign immunity concerns, and international treaty drafting and negotiation.
Chambers UK 2022, Public International Law
The team has incredible breadth and expertise in public international law. I have always been impressed by the quality of their work and their excellent reputation is well deserved
Legal 500 UK 2021, Public International Law
Allen & Overy LLP has superlative expertise across the full spectrum of public international law and related matters… Its 'outstanding and hardworking' team is experienced in state-to-state disputes before the International Court of Justice and tribunals under the jurisdiction of the Permanent Court of Arbitration, ICSID, the United Nations Convention for the Law of the Sea and other ad hoc bodies.
Legal 500 UK 2019, Public International Law
Has a great deal of experience acting for both claimants and respondents in investment treaty disputes…Wins further recognition for its thriving sanctions practice and expert advice on sovereign immunity, Energy Charter Treaty claims, WTO matters and EU law.
Chambers Global 2020, Public International Law
Highly regarded for its expertise in investment treaty arbitrations. Experienced in arbitrations acting both for and against sovereign states and government bodies.
Chambers Asia-Pacific 2020, International Arbitration, China
Highly rated for its skilful handling of investment treaty disputes on behalf of both sovereigns and investors.
Chambers Global 2019, Public International Law
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