Gide Loyrette Nouel A.A.R.P.I > Brussels, Belgium > Firm Profile

Gide Loyrette Nouel A.A.R.P.I

Belgium > Customs, trade, WTO and anti-dumping Tier 2

Gide Loyrette Nouel A.A.R.P.I fields a team comprising experienced trade lawyers, many of whom have held previous senior positions within the EU Commission. The group works acts for a broad cross-section of high-profile Belgian and international entities on a range of EU and WTO proceedings. The practice is noted for its capabilities acting on behalf of EU exporters, lodging complaints against alleged unfair practices and challenging the use of trade defence measures by third countries. The practice is jointly led by Olivier Prost, a highly experienced adviser and litigator in the international trade space, and Anna Claudia Coelho Dias, a specialist in trade defence instruments and international regulatory frameworks. Clément Bouvarel is similarly noted for his knowledge of EU trade defence instruments and WTO law.

Other key lawyers:


‘Very good expertise in some specific EU/WTO legal practice such as trade defence.’

‘Good reliability and availability of partners, associates and junior assigned to the case. In particular, we have worked very well with Olivier Prost, who provided a very qualitative legal support on our topics.’

‘Great legal expertise and experience in the field, recognized by clients and public institutions. Continuous effort to innovate.

‘Exceptional competence and professionalism, quick response and total availability in listening and support from Olivier Prost, Anna Dias, and Clement Bouvarel.’

‘Very professional, interactive and knowledgeable. It is a diverse team with various backgrounds which also brings by itself a lot of strength which I saw in the team.’

Key clients

Saint Gobain PAM

Total S.E.


Marangoni SpA

ECGA (European Carbon and Graphite Association)

GrafTech France SNC, GrafTech Iberica SL

Showa Denko Europe GmbH

Tokai Erft Carbon GmbH

Government of Morocco and OCP

Comité Européen des Fabricants de Sucre (CEFS)

Cosun Beet Co.

Südzucker AG

Alstom S.A.

Danish Aquaculture Organisation

Work highlights

  • Acting for ArcelorMittal European mills in an anti-dumping investigation initiated by the Turkish trade authorities concerning the import of hot rolled flat steel products from the EU.
  • Represented the Moroccan government in an anti-subsidy investigation on phosphate fertiliser, ensuring that duties imposed to OCP were significantly lower than those imposed on Russian exporters.
  • Representing Saint Gobain PAM in multiple EU trade defence proceedings to ensure a level playing field against unfair imports from Asia.

Belgium > Competition: EU and global Tier 5

Gide Loyrette Nouel A.A.R.P.I advises its international client base on the full range of competition issues, encompassing cross-border merger control, state aid issues, cartel cases, and sectoral and behavioural investigations. The team includes a variety of sectoral and jurisdictional expertise, and is headed up by Laurent Godfroid, Stéphane Hautbourg, Benoît Le Bret, Olivier Prost, Ségolène Pelsy and Anna Claudia Coelho Dias.


‘Very versatile across different practice areas, especially where these overlap. Deep experience in the field of mergers and state aid, but also regulation like financial or transport. That helps them see the broader context and bring new approaches to the table.’

‘Benoit Le Bret – very well connected, multi-disciplinarian. Stephane Hauptbourg – pre-eminent state aid lawyer.’

‘Gide Loyrette Nouel are not only top level experts in trade legal matters but they learn about your own industry to be able to offer you the best-tailored maid advice.’

‘Excellent technical knowledge but also excellent market and sectoral knowledge. A first class team.’

‘Benoit Le Bret is exceptional. Benoit knows the answer sometimes before you even knew you had a question.’

Ségolène Pelsy: Her work has been flawless, she has delivered what was needed consistently on time. I commend her knowledge, technical skills and case management skills, as well as her global strategic vision and interpersonal skills.

Key clients

PKN Orlen

Air-France KLM


SNCF / Thalys

Agence des Participations de l’État (APE) / EDF


Orange Poland

Orange SA

United Group


Veolia Environnement

French State / APE

Naval Group

BGC (betting and gambling council) former RGA (remote gambling association)

Twenga S.A.


BGC (Betting and Gaming Council)

EGBA (European Gambling Association)





Work highlights

  • Advised Orlen on its merger with Lotos.
  • Advising United Group on all competition issues across Europe.
  • Advised Air France-KLM on the urgent liquidity support mechanism dedicated to Air France finalised with the French state and banking institutions.

A pioneer in competition and international trade law with the establishment of its Brussels office over 50 years ago, Gide never stopped developing its competition and European Union regulatory law know-how and is now considered as a market leader. Gide Brussels numbers some 30 lawyers and legal advisers drawn from ten different nationalities, including five partners (Olivier Prost, Benoît Le Bret, Stéphane Hautbourg, Laurent Godfroid and Ségolène Pelsy), two counsels (Anna Dias and Romain Rard) as well as former high officials of the European Commission. The team works closely with all other offices of the firm, in particular in Europe, the United States, Africa, and Asia.

Gide Brussels has in-depth knowledge of the procedures behind drafting and implementing EU regulations, making it the perfect partner for successfully representing the interests of its clients. Our lawyers specialise in all major business sectors (transport, energy, telecommunications, financial services, media, agri-food) and main fields of regulatory intervention (public tenders, EU financing, product or foodstuff safety, health, environment, climate etc.).

Over the years, we have acquired considerable experience and significant expertise enabling us to offer tailored and innovative solutions to competition issues encountered by our clients, including anti-competitive agreements, abuse of dominant position, merger control and State aids.

The pursuit of excellence drives Gide Brussels in international economic law proceedings, combating unfair practices such as dumping and public subsidies. Additionally, Gide Brussels is a recognised legal contact for companies, institutions and governments alike on new globalisation regulatory topics, including public tenders, services, investments, regulatory obstacles, export control, intellectual property protection and trade secrets, both in multilateral procedures and bilateral agreements.

Gide Brussels supports its clients throughout the European law creation process: upstream during negotiations at the European Parliament, which is increasingly involved in decision-making, as well as before the European Commission and the Court of Justice of the European Union.

Merger control
State aid
International trade and WTO
Anti-dumping and subsidies
Export control and embargo
EU regulatory and advocacy
EU tax rules
Financial services
Digital services
Energy and environment
Media and telecoms
Anna Claudia Coelho Dias photo Anna Claudia Coelho DiasAnna Claudia Coelho Dias specialises in international trade law and in European…
Laurent Godfroid photoMr Laurent GodfroidLaurent Godfroid is a partner in Gide’s Brussels office, admitted to the…
Benoît Le Bret  photoMr Benoît Le Bret Benoît Le Bret has recognised experience in competition law, particularly in the…
Ségolène Pelsy photoMs Ségolène PelsyAdmitted to the Paris Bar in 2008, partner Ségolène Pelsy specialises in…
Olivier Prost  photoMr Olivier Prost Olivier Prost has been a partner at Gide’s Brussels office since 2002.…
Number of lawyers : 550
at this office : 20
Contacts : Laurent Godfroid (
Contacts : Stéphane Hautbourg (
Contacts : Benoît Le Bret (
Contacts : Olivier Prost (
Contacts : Ségolène Pelsy (
Contacts : Anna Claudia Coelho Dias (
Contacts : Romain Rard (
Contacts : Thanos Gekas (
Other offices : Algiers
Other offices : Beijing
Other offices : Cairo
Other offices : Casablanca
Other offices : Istanbul
Other offices : London
Other offices : New York
Other offices : Paris
Other offices : Shanghai
Other offices : Tunis
Other offices : Warsaw