Elizabeth Oger-Gross

Nigeria in an ICSID arbitration brought by the Korean National Oil Corporation (KNOC) and its two 75%-owned African subsidiaries under the Korea-Nigeria BIT.
An African state in two ICC arbitrations resulting from a multibillion-dollar hydropower project.
A subcontractor in a dispute against the main EPC contractor in relation to a refinery project in France.
A leading European gas buyer in an arbitration over supply disruptions relating to the war in Ukraine.
An African owner of an LNG plant in a New York-seated arbitration against a major construction company.
An investor in the power sector in a West African country in a CCJA arbitration.
A leading European buyer of gas concerning certain contract interpretation issues, both the pre-arbitration and arbitration phases of the dispute.
A Middle Eastern seller of gas in a price review arbitration under a long-term gas supply contract.
An African state in am LCIA arbitration pertaining to the privatization of an aluminium smelter company.
Nigeria in an ICSID arbitration regarding an investment in the mining sector.
The Nigerian National Anti-Doping Committee (NADC) in a CAS arbitration brought by the World Anti-Doping Agency (WADA) stemming from an alleged failure to address several requirements for its anti-doping program following an audit carried out by WADA in late 2022.
The central bank of an African state in an intellectual property dispute.
An African state in a dispute before a U.S. court relating to enforcement of an arbitral award against the state.
A Nigerian oil company in a dispute with certain of its directors and shareholders, litigated in the English and Canadian courts.
An African oil company in a dispute with its joint-venture partner in connection with an oil concession in West Africa.
An African state-owned entity in two arbitrations under the OHADA regime in relation to a port concession.
An African state in connection with enforcement proceedings against its assets in France.
An African state in connection with negotiations with a cryptocurrency company.
A Saudi oil services company in an arbitration related to a contractual dispute over a joint venture.
A Saudi oil services company in a Singapore-seated arbitration regarding certain acts of fraud.
A European energy company with regard to a contractual dispute with a supplier in East Africa.
An African, Middle Eastern-owned company, in a successful ICC arbitration, with an African state, in connection with public works contracts, as well as enforcement proceedings in numerous jurisdictions worldwide and annulment actions.
The French subsidiary of a U.S. company in a dispute regarding the construction of a plant in France and including issues related to the extension of an arbitration clause to non-signatories.
The main contractor in a series of related ICC arbitrations against the employer relating to a major infrastructure project in Central America.
A Middle Eastern consortium on a dispute with the employer in connection with a construction project to build hangars in Saudi Arabia.
A European mining services company in a dispute with a West African supplier.
A Middle Eastern developer in four related ICC arbitrations in Paris involving a dispute with a contractor concerning a major land remediation project in the Middle East, as well as ancillary court proceedings in the United States.
A mining company on potential ICSID arbitration in a dispute with an African state.
Several leading European buyers of gas on price revisions under various long term gas supply contracts.
Two leading European construction companies in two ICC arbitrations regarding the construction of a hydroelectric project in Chile and including issues regarding the involvement of a non-signatory corporate parent.
A national energy company in Eastern Europe in an ICC arbitration concerning the construction of a nuclear power plant.
A European owner in relation to a high-profile, multibillion-dollar ICC arbitration in respect of the design and construction of a nuclear power plant.

Ranked, Dispute Resolution: International Arbitration, Chambers Global and 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
Leading Partner, Dispute Resolution: International Arbitration (France), Legal 500 EMEA, 2022-25 “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
Recommended, Lexology Index: Arbitration, France, 2017-26 Hailed by peers as an “exceptional lawyer” who is able to “focus on the details and handle cases with much rigour.” 2020
“Excellent,” “draws praise for her strategic and commercial advice” 2019
Recommended, Lexology Index: Construction, France, 2019-25 “Brings significant value to clients as an ‘excellent thinker’ and is ‘very well-spoken with exceptional writing skills.’” 2020
“A very smart and clear-thinking lawyer” who is applauded by sources for her “exceptional writing skills.” “She is very knowledgeable with respect to the legal and the strategic and technical aspects of large scale construction disputes.” 2019
Leading Lawyer, International Arbitration, Leaders League’s
Décideurs Magazine, 2025
Recommended, International Arbitration, Option Droit & Affaires, 2025Private Practice Powerlist – Arbitration France
Legal 500, 2023
Up & Coming Lawyer, Dispute Resolution: International Arbitration, Chambers France, 2018-20 “Commitment and passion.” “Quick understanding of complex technical matters.”
“Very intelligent and has wide experience.” “Skill at getting to the core of the issues, and her ability to cut away details that are of limited importance.”
“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
“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
Hailed by peers as an “exceptional lawyer” who is able to “focus on the details and handle cases with much rigour.” 2020
“Excellent,” “draws praise for her strategic and commercial advice” 2019
“Brings significant value to clients as an ‘excellent thinker’ and is ‘very well-spoken with exceptional writing skills.’” 2020
“A very smart and clear-thinking lawyer” who is applauded by sources for her “exceptional writing skills.” “She is very knowledgeable with respect to the legal and the strategic and technical aspects of large scale construction disputes.” 2019
“Commitment and passion.” “Quick understanding of complex technical matters.”
“Very intelligent and has wide experience.” “Skill at getting to the core of the issues, and her ability to cut away details that are of limited importance.”

“Changes of circumstances as a price modifier”, Gas and LNG Price Arbitrations 3rd edition, Co-Author, November 2026 (with Michael Polkinghorne and Fabiana Pardi Otamendi); “Working with Juniors,” International Arbitration in Practice, chapter 38, Kluwer Law International, Co-Author, March 17, 2025 (with Menalco J. Solis); “Relief for unforeseeable changed circumstances in LNG,” Liquefied Natural Gas, The Law and Business of LNG 4th edition, Co-Author, October 2024 (with Michael Polkinghorne); “Damages and the Legal and Economic Merits of Getting the ‘Right Fit’,” organized by NERA Economic Consulting during Paris Arbitration Week, Author, March 20, 2024; “New Arbitration Regime Comes into Force in Nigeria,” White & Case Client Alert, Co-Author, 21 June 2023 (with Tolu Obamuroh, Tania Singla) also published on Thomson Reuters Practical Law, July 5, 2023; “Contrôle de la Compétence,” The Paris Journal of International Arbitration (Cahiers de l''Arbitage), Co-Author, July 2022 (with Elena Sevila Sanchez); “Ethiopia Modernizes Arbitration Framework,” White & Case Client Alert, Co-Author, May 4, 2021 (with Tolu Obamuroh); “Conflit de lois applicable à l''exception d''estoppel soulevée par le non-signataire de la clause compromissoire : apports et interrogations de l''affaire Setty en droit américain,” The Paris Journal of International Arbitration (Cahiers de l’Arbitage), Co-Author, July 2020 (with Nelson Dijoux Coquillas); “Climate Change Disputes Take Center Stage at Paris Arbitration Week (PAW),” White & Case Client Alert, Co-Author, July 27, 2020 (with Kirsten Odynski, Nika Larkimo, Dianny Wahyudhi); “Paris Court of Appeal refuses to set aside ICC award against non-party (Kabab-Ji v Kout Food Group),” Lexis®PSL, Co-Author, July 16, 2020 (with Niels Aujouannet-Kelner); “Dallah Revisited: The French and English Courts in Conflict Again Regarding Arbitral Jurisdiction Over Non-Signatories,” White & Case Client Alert, Co-Author, July 9, 2020 (with Paul Brumpton, Bryony Withers, Niels Aujouannet-Kelner); “Hardship and Climate Change,” Energy, Oil & Gas, Co-Author, Summer 2020 (with Kirsten Odynski and Marièle Coulet-Diaz); “Hardship and climate change: How to draw-up climate-resilient contracts,” Business Green, Co-Author, May 4, 2020 (with Kirsten Odynski and Marièle Coulet-Diaz); “The role of ICC arbitration in resolving climate change disputes,” White & Case Client Alert, Co-Author, January 2020 (with Kirsten Odynski, Michael Polkinghorne, Mark Clarke, Salma Selim); “Rethinking hardship clauses in times of changing climate,” Environmental Law & Management, Co-Author, January 2020 (with Kirsten Odynski and Marièle Coulet-Diaz); “Energy Sector Investment Protection in West Africa,” African Lax & Business, Co-Author, June 7, 2019 (Bylined by Robert Wheal, Elizabeth Oger-Gross and Bachir Carl Sayegh, with additional research by Opeyemi Longe); “Projecting energy sector investors in West Africa: The Energy Protocol of the Economic Community of West African States seeks to attract power-sector investment,” Africa Focus, Co-Author, Spring 2019 (with Robert Wheal and Bachir Sayegh); Book review of “Commercial Arbitration Law and Practice in Nigeria through the Cases” by Adedoyin Rhodes-Vivour, Arbitration International, Co-Author, October 2017 (with Charles Nairac); “Enforcement of awards in France—a dual system (Ryanair v Syndicate of Charente Airports),” Lexis PSL Arbitration, Co-Author, May 2017 (with Anaïs Harlé); “Compensatory Damages Principles in Civil and Common Law Jurisdictions – Requirements, Underlying Principles and Limits,” The Guide to Damages in International Arbitration, chapter 1, GAR, Co-Author, 2016 (with Clare Connellan, Angélica André and Heather Clark); “Mid-year review 2016 - arbitration developments in France,” Lexis PSL, Interviewee, July 2016 (interview with Anaïs Harlé); “Structural support, not a bridge: The role of amicus curiae opinions in investment arbitration,” Liber Amicorum en l''Honneur de William Laurence Craig, Co-Author, 2016, pp. 289-308 (with Michael Polkinghorne); “Arbitration procedures and practice in France: overview,” PLC, Co-Author, March 2016 (with Anaïs Harlé); “Litigation and enforcement in France: overview,” PLC Global Guide to Dispute Resolution, Co-Author, January 2016 (with A. Harlé, A. Pitchouguina and E. Valette); Dispute Resolution, Co-Author, January 2016 (with Anaïs Harlé, Anastasia Pitchouguina and Elodie Valette); “Gravitas: Persuasion and Legitimacy,” TDM, Author, July 2015; “The Long Arm of the Law,” Commercial Dispute Resolution, Author, May 24, 2013; “How resort to US courts – with US discovery – can backfire on a US party to an international arbitration,” Co-Author, July 29, 2010 (with Christopher Seppälä); “A bar to privilege,” Legal Week, Co-Author, Jan. 28, 2008 with John Willems)
SEPTEMBER 26, 2025

“Arbitrating in a Time of Conflict,” 12th East Africa International Arbitration Conference, Speaker,
SEPTEMBER 26, 2025
“Early Careers in Arbitration: from Internships to Long-Term Opportunities,” The Arbitration Event Tracker webinar, Speaker,
SEPTEMBER 24, 2025

“Food and Energy Security in Africa,” conference in Lagos, Speaker,
NOVEMBER 20, 2024
“Women in infra” panel on “AI and Infrastructure Disputes” during Paris Infraweek, Speaker,
NOVEMBER 7, 2024
“Dispute resolution in complex litigation,” panel during the 3rd ICC Dakar Arbitration and ADR Day, Speaker,
SEPTEMBER 11, 2024
“What to remember from 2023 in matters of litigation, arbitration and criminal business law,” White & Case Webinar, Speaker,
FEBRUARY 26, 2024
“Arbitrating in Africa and with African Parties,” webinar ARBinBRIEF, Speaker,
DECEMBER 6, 2023
“Battle of the African Seats,” LACIAC, Speaker,
NOVEMBER 23, 2023
“Risks of US litigation for French entities,” Cercle Montesquieu Grand Ouest, Speaker,
NOVEMBER 16, 2023
“Quantum and damages in arbitration,” Netherlands Arbitration Institute Annual General Meeting, Speaker,
SEPTEMBER 14, 2023
“A discussion of the English High Court Decision in Republic of Sierra Leone V. SL Mining Ltd – A Case in Time GAP Journal Series,” Delos, Speaker,
JULY 6, 2023
“Le Contrôle des Sentences Arbitrales par la Chambre Internationale de la Cour d''Appel de Paris,” Paris Place d''Arbitrage during Paris Arbitration Week, Speaker,
MARCH 30, 2022
ICC Institute Assessment for Damages Training,
SEPTEMBER 21, 2021
“Technology and Innovation in Arbitration,” 8th E.A International Arbitration Conference, Speaker,
AUGUST 28, 2020
Roundtable discussion and experience sharing, Paris Arbitration webinar during Paris Arbitration Week, Speaker,
JULY 8, 2020
“A special regime for climate change disputes?,” Paris Arbitration Week, Speaker,
JULY 7, 2020
Panel discussion on the different countries responses in dealing with construction delays as a result of the COVID-19 crisis, the SCL Astra/ESCL Online Webinar, Speaker,
JULY 2, 2020
“Virtual Hearings: How Best to Proceed,” Nigerian Bar Association, Speaker,
JUNE 3, 2020
“Cross-Border Dispute Resolution,” Gaia Women Club Lagos Digital Workshop, Speaker,
MAY 19, 2020
“Contractual Caps on Damages, Including Limitations on Consequential or Indirect Damages,” Juris Conference – Eighth Annual Damages in International Arbitration: Traditional vs Non-Traditional Approaches, Emerging Trends, Methods and Techniques, Speaker,
November 2019
“Dispute Funding in International Arbitration,” East Africa International Arbitration Conference, Speaker,
August 2019
“Provisional Measures in International Arbitration,” RDAI/Queen Mary, Paris Arbitration Week, Speaker,
April 2019
“Games of Seats: Arbitral institutions in Africa and the quest for ascendancy,” White & Case, Paris Arbitration Week, Speaker,
April 2019
“Beyond the Pale: Inclusive Representation of African Practitioners in International Arbitration,” Annual Conference CIArb Nigeria Branch, Speaker,
November 2018
“Lex extractiva and arbitral jurisprudence,” Conference of the Société Internationale de Droit Extractif SIDE), Speaker,
September 2018
International Arbitration Conference, Speaker,
August 2018
“The Evolution of International Arbitration,” 2018 International Arbitration survey launch, Speaker,
June 2018
“Supporting the arbitral process,” 3rd ICC Africa Regional Arbitration Conference, Speaker,
June 2018
“Arbitration in Natural Resources and Energy” and “Fair Play: unconscious influences in appointments and in the use of evidence in international arbitration,” Mauritius Arbitration Week, Speaker,
May 2018
“Hardship and Price Review Clauses,” BBSPA Regulatory and Trading Seminar, Speaker,
April 2018
“Gas pricing arbitrations and res judicata,” Harvard International Arbitration Law Students Association, Speaker,
January 2018
“Economics of Gas Development,” Gas Options North & West Africa Conference, Speaker,
November 2017
“In-house Perspective on the Use of International Arbitration and ADR in Resolving Corporate Disputes,” Lagos Court of Arbitration In-House Counsel Forum, Speaker,
November 2017
“Business Outlook in Africa and Dispute Resolution,” Casablanca Arbitration Days 2017, Speaker,
November 2017
“Gas price disputes: When is there arbitration, and how does it work in practice?,” BBPSA Regulatory and Trading Seminar, Speaker,
October 2017
“Addressing tough questions in international arbitration,” 5th East Africa International Arbitration Conference I-Arb Africa), Speaker,
September 2017
“When Doing Good Goes Bad: Resolving Impact Investment Disputes,” IILGW – Grunin Center conference Legal Issues in Social Entrepreneurship and Impact Investing in US and Beyond New York University School of Law), Speaker,
May 2017
“Reforming Arbitration Law and Practice in Africa—An Update,” 2nd ICC Africa Regional Arbitration Conference, Speaker,
May 2017
“BITs in West Africa: negotiations and alternatives,” West Africa International Arbitration Conference I-ARB), Speaker,
April 2017
“Recent trends in energy-related investment disputes,” Energy Transitions Conference University of East Finland), Speaker,
March 2017
”The Inter relationship between Effective Systems of Dispute Resolution & Economic Development,” November 2016: Commercial Arbitration Law and Practice in Nigeria through the Case Book presentation), Speaker,
February 2017
“Arbitrability under Nigerian Law: New Areas of Concern,” Lagos Court of Arbitration Young Arbitrators Network LCA-YAN), Speaker,
November 2016
“Abuse of Process in International Arbitration and the Unwillingness of Counsel to Accept the Outcome of Arbitration in Sub-Saharan Africa - Damaging the brand,” ICC Africa Regional Arbitration Conference, Speaker,
June 2016
“2015 International Arbitration Survey: Improvements and Innovations in International Arbitration.” White & Case, Speaker,
May 2016
“Familiarizing administrators with International Arbitration.” Institut Marocain des Administrateurs IMA), Speaker,
April 2016
“The Importance of Efficiency and Economy in International Arbitration.” Hot Topics in the Practice of International Arbitration Harvard Law School), Speaker,
April 2015
APRIL 1, 2015
“Treaties in international arbitration – Relevance in Eastern Africa,” East Africa
“Force Majeure and Hardship in Petroleum Agreements,” Global Energy Arbitration: Current Issues and Trends Georgetown International Arbitration Society, Georgetown Arab Lawyers’ Organization), Washington, D.C., Speaker

Complex Litigation

International Arbitration

Elizabeth Oger-GrossElizabethOger-Gross

REPRESENTATIONS de

RECOGNITION de

“Very thorough and efficient in examining witnesses.” 2017

“Excellent,” “draws praise for her strategic and commercial advice” 2019

“A very smart and clear-thinking lawyer” who is applauded by sources for her “exceptional writing skills.” “She is very knowledgeable with respect to the legal and the strategic and technical aspects of large scale construction disputes.” 2019

Décideurs Magazine, 2025

Legal 500, 2023

“Very intelligent and has wide experience.” “Skill at getting to the core of the issues, and her ability to cut away details that are of limited importance.”

“Very thorough and efficient in examining witnesses.” 2017

“Excellent,” “draws praise for her strategic and commercial advice” 2019

“A very smart and clear-thinking lawyer” who is applauded by sources for her “exceptional writing skills.” “She is very knowledgeable with respect to the legal and the strategic and technical aspects of large scale construction disputes.” 2019

“Very intelligent and has wide experience.” “Skill at getting to the core of the issues, and her ability to cut away details that are of limited importance.”

NEWS & THOUGHT LEADERSHIP de

PUBLICATIONS de

PAST ENGAGEMENTS de