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Olivier has substantial experience advising and representing investment funds, their directors and service providers, as well as investors, in a broad range of complex, high value cross-border disputes, in all pre-contentious and contentious matters before the Luxembourg courts.

Contributions

Memberships

Luxembourg Bar (List I), 2019
Ontario Bar, 2014
Quebec Bar, 2014
Paris Bar, 2016-2022
New York Bar, 2015-2022

Qualifications

Quebec Bar School, University of Ottawa (Canada), 2013
Bachelor of Common Law, J.D. (Cum laude), University of Ottawa (Canada), 2012
Bachelor of Civil Law, LL.L. (Summa cum laude), University of Ottawa (Canada), 2012
Master’s in Public International Law, LL.M. (With Distinction), University of Kent (Brussels, Belgium), 2008

What others say

Olivier Marquais is listed as Other key lawyer.
Legal 500 - EMEA (2024)
Olivier Marquais named "Key lawyer" in Dispute resolution
Legal 500 - EMEA (2023)
Olivier Marquais named "Key lawyer" in Fintech
Legal 500 - EMEA (2023)

Olivier Marquais

Counsel - Attorney at Law

olivier.marquais@loyensloeff.com

Luxembourg

French, English

<p>Olivier Marquais, counsel, is an attorney-at-law (Avocat à la Cour) in the Litigation & Risk Management Practice Group of our Luxembourg office. He focuses on investment funds, financial and commercial disputes (litigation and arbitration), and recognition and enforcement proceedings.</p>

Olivier has substantial experience advising and representing investment funds, their directors and service providers, as well as investors, in a broad range of complex, high value cross-border disputes, in all pre-contentious and contentious matters before the Luxembourg courts.