Elizabeth Oger-GrossElizabethOger-Gross
Partner, Complex Litigation & Arbitration
Elizabeth Oger-Gross est associée au sein du département Arbitrage international à Paris. Elle conseille ses clients dans le cadre de différends commerciaux complexes et de litiges en matière d'investissement, avec une expérience couvrant de nombreux secteurs d'activité et une expertise significative dans les domaines de l'énergie et de la construction. Elle possède notamment une solide expérience dans la représentation d'États souverains et de parties opposées à des États souverains.
Le Nigeria, dans le cadre d''un arbitrage CIRDI (ICSID) engagé par la Korean National Oil Corporation (KNOC) et deux de ses filiales africaines détenues à 75 %, sur le fondement du traité bilatéral d''investissement (TBI) entre la Corée et le Nigeria.
Un État africain dans le cadre de deux arbitrages CCI relatifs à un projet hydroélectrique d''une valeur de plusieurs milliards de dollars.
- Classée en Dispute Resolution : International Arbitration, Chambers Global et Chambers France, 2021-26 “Elizabeth Oger-Gross is well regarded for her expertise in African cases [and] mostly acts in energy and construction disputes.” 2026 “Elizabeth Oger-Gross has great intuition and attention to detail.” 2026 “I have never seen someone dominate the room in such a way, she was so on top of it.” 2026 “She has stellar oral advocacy.” 2026 “Elizabeth Oger-Gross is a great lawyer who is very bright.” 2025 “I find Elizabeth Oger-Gross excellent. She is very dynamic, pragmatic and client-oriented.” 2025 “Elizabeth Oger-Gross is extremely responsive and always has a problem-solving mindset.” 2025 “I find Elizabeth Oger-Gross fantastic. She is extremely smart, understands issues very quickly and takes everything into account when she is facing a problem.” 2025 “Elizabeth Oger-Gross stands out to me as a very active, good lawyer in this area.” 2025 “Elizabeth is very smart and talented.” 2024 “She is a very good lawyer with good advocacy skills.” 2024 “She is brilliant and pays detailed attention to her client''s causes.” 2022 “Elizabeth Oger-Gross’ New York law knowledge is exceptional, and her ability to address the audience in different ways to suit their legal knowledge is very persuasive.” 2022
“Elizabeth Oger-Gross is reported by market sources to be ‘a great technician’ and a ‘strategist,’ with interviewees also highlighting her for being ‘able to take a step back.’ She is regarded for her expertise on African cases and mostly acts on energy and construction disputes.” 2022
- Reconnue en tant que Leading Partner, Dispute Resolution: International Arbitration (France), Legal 500 EMEA, 2022-26 “Elizabeth Oger-Gross demonstrates great attention to detail and promptness in responses.” 2024 “Elizabeth Oger Gross demonstrates great attention to detail and promptness in responses.” 2020
“Very thorough and efficient in examining witnesses.” 2017
“Changes of circumstances as a price modifier”, Gas and LNG Price Arbitrations 3ème edition, Co-Autrice,
November 2026
- “Arbitrating in a Time of Conflict,” 12th East Africa International Arbitration Conference, Speaker, 26September 2025
- “Early Careers in Arbitration: from Internships to Long-Term Opportunities,” The Arbitration Event Tracker webinar, Speaker, 26September 2025