Nathalie Allen is an experienced international arbitration lawyer specialising in both international commercial arbitration and investor state disputes. Nathalie represents clients before key arbitral institutions including ICC, LCIA, SCC, ICSID and AAA, and in arbitrations conducted under the UNCITRAL Rules, ICSID and under foreign investment laws. Nathalie has also acted in many arbitrations governed by a variety of different jurisdictions.
Nathalie frequently appears before international tribunals on diverse procedural issues, interim measures, jurisdiction, and merits, as well as enforcement, set aside, and annulment proceedings. She also advises clients on strategies, options, and tactics in anticipation of potential disputes. Nathalie has particular experience in finance, telecommunications, manufacturing, gambling, insurance, construction and energy.
She has been described as an "extremely impressive" arbitration lawyer who is "very bright and experienced". Peers comment that she has "always shown a quick understanding of legal issues". Nathalie has frequently been recognised by Who's Who Legal and Global Arbitration Review as a "Future Leader in International Arbitration". Nathalie was also recognised as a Rising Star for International Arbitration in Legal 500 and was described as "very smart, diligent and experienced in working on multi-jurisdictional disputes", and has won the Euromoney Women in Law Rising Star for Litigation award. Nathalie was also included in the Legal 500 International Arbitration Powerlist.
Nathalie has spoken and published extensively on topics relating to international arbitration, arbitrator challenges, treaty changes, confidentiality, enforcement and climate change.
Nathalie is qualified in England and Wales, and is a native speaker in French and English, fluent in Spanish and speaks Italian to a high level. Prior to joining Addleshaw Goddard in 2020, Nathalie worked in the London office of another leading international law firm.
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