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Profile Picture

Gregory Marson

Gregory
Marson

Associate Attorney

CONTACT INFO

gmarson@gibsondunn.com

TEL:+33 (0) 1 56 43 13 00

FAX:+33 (0)1 56 43 13 33

Paris

16, avenue Matignon, 75008 Paris, France

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PRACTICE

Administrative Law and Regulatory Practice Antitrust and Competition Energy Environmental, Social and Governance (ESG) Government Contracts Power and Renewables Public Policy

BIOGRAPHY

​Grégory Marson is an associate in the Paris office of Gibson, Dunn & Crutcher, where he serves as a member of the firm’s Administrative Law and Regulatory, Litigation, Competition and Antitrust​ and Goverment Contracts Practice Groups.

Specialized in public economic law, his practice is focused on issues relating to state aid rules, competition law, government contracts, freedom of movement, energy related issues as well as infrastructure law. He holds particular expertise in matters regarding the rail, energy, banking and insurance sectors. He also advises companies in actions brought before the European Commission and regulatory authorities.

Grégory Marson has extensive experience representing and assisting both state-owned entities (such as the French State and governmental bodies) and private entities in their development, by providing solutions to compliance issues under various regulations.

In addition, he has provided assistance in administrative proceedings before all the administrative courts acting as counsel for both claimants and defendants.

Grégory has had experience in priority preliminary proceedings on the issue of constitutionality before the French Constitutional Council.

Grégory Marson is also a lecturer in administrative law and a member of the Research Center on Public Law at the University of Paris Ouest Nanterre La Defense. Grégory has a Phd in public economic law and authored several articles on administrative law and competition law issues in legal journals.

EDUCATION

Université Paris Ouest Nanterre La Défense - 2012 PhD with Summa Cum Laude

Université Paris Ouest Nanterre La Défense - 2001 DEA

ADMISSIONS

France - Avocat au Barreau de Paris

RECENT PUBLICATIONS

Client Alert - October 25, 2021 | The French Government Is Required to Take Measures to Compensate for Ecological Damage for Which It Is Responsible
Client Alert - June 23, 2021 | The Right to Breathe Clean Air: The European Judge Is Called Upon to Give a Decisive Ruling
Client Alert - February 26, 2021 | The Case of the Century – The French Administrative Court Issues a Groundbreaking Ruling on State Responsibility for Climate Change
Publications - September 12, 2019 | Domaine privé : Le Ministère de l’Économie et des Finances considère que les autorités gestionnaires du domaine privé doivent mettre en oeuvre “des procédures similaires à celles qui prévalent pour le domaine public”, à l’aune de l’arrêt Promoimpresa de la Cour de justice de l’Union européenne du 14 juillet 2016 (Réponse ministérielle)
Publications - January 1, 2019 | Conflit d’intérêt : Le Conseil d’État et le Tribunal administratif de Paris précisent, d’une part, que la méconnaissance du principe d’impartialité est intimement liée à la caractérisation d’un conflit d’intérêts, et, d’autre part, que le traitement d’une information privilégiée ne relève pas du champ d’application de ce principe (SIOM ; Excelsis)
Article - November 15, 2017 | Domaine public : Le Conseil d’État précise les conditions dans lesquelles une promesse de vente de biens relevant du domaine public pouvait être régulièrement conclue avant l’entrée en vigueur de l’article L. 3112-4 du CGPPP et indique que la réduction significative du périmètre d’une concession de service public en constitue une modification substantielle, en tant que telle illégale
Article - September 7, 2017 | Difficultés objectives: La Cour de justice de l’Union européenne considère qu’à défaut de clause prévoyant la possibilité d’adapter, même de façon importante, un marché public au cours de son exécution
Article - May 24, 2017 | Méthode de notation: Le Conseil d’État rappelle que le juge des référés précontractuels ne dispose pas du pouvoir d’annuler la procédure de passation d’un marché public de défense et qu’un pouvoir adjudicateur ne peut retenir une méthode de notation ayant
Article - June 1, 2016 | Contrôle des concentrations économiques
Article - February 1, 2016 | Conflit d’intérêt – Marché public
Client Alert - January 23, 2015 | 2014 Year-End French Law Update
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