News 24 Jun. 2021
Curtis successfully defends foreign states' procedural privileges in the UK Supreme Court
News 23 Jun. 2021
Ibrahim Elsadig joins Curtis as Partner in Dubai
News 09 Aug. 2021
Curtis, Mallet-Prevost, Colt & Mosle enters into association with Chevalier Law in Singapore.
Event 23 Apr. 2021
Partner Borzu Sabahi to speak on Damages, Enforcement and Annulment of Arbitral Awards at Executive Training Program hosted by the Government of India and the Indian Institute of Foreign Trade
Event 07 Sep. 2021
Simon Batifort and Andrew Larkin Speak at the European Society of International Law’s 2021 Annual Conference
Client Alert 06 Sep. 2021
Disclosure of Beneficial Ownership in 2021 – Luxembourg Perspectives – Alert 5 of the Series
Partner Elisa Botero Speaks on Panel within Framework of Colombia's 4th National Arbitration Competition
News 30 Aug. 2021
Curtis Returns to SCOTUS in Historic Sequel on the Rights of Citizens in Puerto Rico
News 16 Aug. 2021
Curtis Establishes Presence in Saudi Arabia
News 26 Jul. 2021
Curtis' Private Client Group and Attorneys Recognized in the 2021 Chambers High-Net-Worth Guide.
Client Alert 24 Jun. 2021
U.S. Insight: Update on Virtual Notarization (Executive Order 202.7) During the COVID-19 (Coronavirus) Pandemic (Updated: June 24, 2021)
U.S. Insight: Update on Virtual Witnessing (New York Executive Order 202.14) During The COVID-19 (Coronavirus) Pandemic (Updated: June 24, 2021)
Paris Managing Partner
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Geoffroy Lyonnet is based in Paris and regularly handles Kazakhstan-related international arbitration, particularly in the oil and gas sector. One source declares that "he is remarkable - I have never seen a cross-examination as successful as his."
Geoffroy Lyonnet is best known for his work on investor-state disputes. He also acts on ICC rules commercial arbitrations and co-ordinates subsequent enforcement actions with local counsel. Interviewees say that he is "thoughtful and knowledgeable."
Known for his advocacy, Geoffroy Lyonnet serves as both lead counsel and arbitrator and was instrumental in the Kazakhstan Oil Field case.
Geoffroy Lyonnet is recognised in the market for his strong cross-examination skills. He is experienced handling investor-state arbitrations and commercial arbitrations, with notable activity in oil and gas sector disputes.
Sources say: "He has shown outstanding profundity in the analytical work done."
Geoffroy Lyonnet est également très expérimenté.
"really outstanding, effective and impressive." His practice focuses on commercial and investment arbitrations, and he is a favourite with clients: "He's personable, likeable and comes across as someone who talks good sense."
Geoffroy Lyonnet is ‘on top of all relevant details.’
Commercial Disputes - Arbitration
Mergers and Acquisitions
Energy (Oil & Gas)
News 17 Dec. 2020
Curtis Brings in Bichot & Associés in Paris
News 15 Dec. 2020
Kazakhstan Secures US$1.9 Billion in Settlement of Arbitral Dispute
Chambers Global 2015