DEROULEZ AVOCAT specializes in information law and personal data protection law.

Backed by recognized expertise, DEROULEZ AVOCAT has been assisting its clients for several years in a complex legislative and regulatory context to ensure their compliance with the GDPR, as well as supervise and secure their use of personal data or to help them develop innovative projects.

DEROULEZ AVOCAT also supports its clients in developing all their data-related projects (OPEN DATA, BIG DATA), in data governance and management, as well as the more specific questions related to their compliance with the GDPR.

With offices in Paris and Brussels, the law firm provides consulting and litigation services in France and abroad. The law firm works in both French and English.


The firm supports its clients with the following services:


GDPR Compliance →







DEROULEZ AVOCAT has also developed a service offering specializing in new technologies, particularly in the fields of blockchains, artificial intelligence and connected objects. The firm provides its expertise and experience in order to assist its clients when using these new innovative tools or as part of their digital transition.

BLOCKCHAIN LEGAL and DEROULEZ AVOCAT have joined forces to offer the first global offer dedicated to the legal support of companies administering or wishing to develop solutions in the blockchain field.

In an uncertain and unclear legal environment, BLOCKCHAIN COMPLIANCE provides an indispensable security and a 360-degree vision that translates into transversal advice (governance, contracts, IP / IT, RGPD, public relations) on all the topics of French and European law.


DEROULEZ AVOCAT was created by Jérôme Deroulez, a Lawyer at the Paris and Brussels Bars.

A former magistrate, Jérôme Deroulez has also served as an investigative judge. He was then in charge of European and international negotiations for the French Ministry of Justice. Counsel for the Permanent Representation of France in Brussels from 2009 to 2013, Jérôme Deroulez participated in the negotiations of European texts and international agreements in the field of personal data protection, private international law and judicial cooperation in penal matters. He has also acquired detailed knowledge of the French public administration.

Jérôme Deroulez has developed specific expertise in personal data law in France and Europe backed by his experience and practice. He accompanies clients in their compliance and data issues every day.

Jérôme Deroulez is a member of the Brussels and Paris Bar Legal Tech Incubators. He is also particularly involved in the Privacy Tech for which he is the general delegate. He is also a member of the French association of Data Protection Officers (AFCDP), the French Professional Group for BtoB Information and Knowledge (GFII) and the European Alliance for Artificial Intelligence (European Commission).

Publications in external journals

Past conferences & workshops

Animation d’un Atelier sur le DPO et les nouveaux métiers de l’avocat.
Campus du Barreau de Paris (3 juillet 2018)

Animation d’une formation à destination du Barreau de Paris sur le RGPD
Barreau de Paris (4 avril 2018)

Présentation du RGPD.
Petit déjeuner du pôle numérique et ville connectée
SIPPEREC (8 mars 2018)

Nos bureaux

26, avenue de la Grande Armée –75017 PARIS
Tél : 01 85 08 54 76

Deroulez Avocat
Avenue Louise, 109
1050 Brussels
Tel: +32 23 18 18 36

The law firm is open all year round from Monday to Friday 9 am to 8 pm