Firm Profile > Jeantet > Paris, France

75116 Paris

Banking and finance: Bank regulatory Tier 2

Jeantet is particularly focused on contentious regulatory matters, notably representing Arkéa Direct Bank in litigation against the AMF Enforcement Committee. The department has longstanding relationships with French, foreign and multilateral banks, funds, insurance companies and investment service providers which also instruct it in non-contentious issues. Work of this type is typically centred around internal control systems, AML strategies and the distribution of banking products and financial instruments. Highly regarded in the field, Martine Samuelian leads the practice.

Practice head(s):


Responsible, tailored solutions, understanding of client’s business.

Available at any time.

Jeantet has a deep and hands-on approach to banking and finance work, with some key individuals having experience spanning decades. They have both a national and international approach to law and treat clients very seriously.

Key clients


Dispute resolution: Stock market litigation Tier 2

Jeantet’s Frank Martin Laprade defends several investment funds and shareholders facing AMF investigations on market abuse grounds as well as before court following condemnations by the AMF. Laprade also acts in several high-stakes disputes involving the derivative markets. Martine Samuelian is expert at assisting banks and financial institutions with regulatory compliance audits led by the AMF, including assistance with connected disciplinary proceedings.

Practice head(s):

Frank Martin Laprade; Martine Samuelian


‘Martine Samuelian is a very strong professional who has an excellent knowledge of banking and financial practice. Her work has been remarkable, particularly thorough and serious.’

Industry focus: Energy Tier 2

Jeantet is a growing player in the field of renewables greenfield projects and brownfield transactions in France. The firm is notably advising on development and financing aspects linked several of France’s landmark offshore renewables projects. Corporate partner Karl Hepp de Sevelinges and banking partner Jean-François Adelle are the key contacts, together with new hire Christophe Jacomin who joined in Fall 2020 from LPA-CGR avocats, bringing his complementary expertise in assisting financial institutions to the table. In Thierry Lauriol, the firm also offers high-level African expertise advising governments and leading companies with landmark oil, gas and mining work. Recently, he notably received a mandate from the African Development Bank to prepare a repertoire of oil legislations spanning all African jurisdictions.

Practice head(s):

Karl Hepp de Sevelinges; Thierry Lauriol; Christophe Jacomin

Other key lawyers:

Jean-François Adelle


‘Recognised team, very available, with competitive fees.’

‘Christophe Jacomin is a recognised professional whose interpersonal skills are remarkable.’

Key clients



Bpifrance Financement

EB – Sustainable Investment Management GMBH

African Development Bank

Minister of Petroleum, Mines and Energy of Islamic Republic of Mauritania

Industry focus: Food Tier 2

Jeantet's food and agribusiness practice continues to expand its breadth, advising leading manufacturers and professional associations on consumer, commercial, corporate, distribution, IP and contentious matters. Julia Bombardier is a key name to note in the team, assisting clients with the full range of regulatory matters, including labelling, unfair commercial practices, fraud, novel food issues, health and food safety. Indemnity litigation cases are another core line of work. The department also houses competition law expertise, with Loraine Donnedieu de Vabres-Tranié as the key contact.


Commitment, keeping abreast of the news.

Expert firm in its field of activity, serious and efficient.

Julia Bombardier made herself very available and efficient for our request/file. She is very invested and passionate and has given us great satisfaction in the context of her work.

Very great expertise in the field – great intellectual curiosity – dynamism – very good writing skills.

Key clients


Dispute resolution: Commercial litigation Tier 3

Jeantet has particularly strong expertise in commercial cases involving strong regulatory and antitrust issues. The versatile practice also acts for many leading companies in a broad range of other commercial litigation, including hard-fought disputes in the mass retail sector. The group is also involved in several high-stakes private enforcement cases and in high-profile cases in the energy sector, opposing leading energy providers. Another strong area of expertise is the representation of investment funds in shareholder conflicts, insolvency-related and other corporate disputes. Finally, the team also handles securities and banking-related matters. The practice's mediation experience complements its experience in court proceedings well. Xavier Pernot  and Loraine Donnedieu de Vabres-Tranié co-head the team. Florent Prunet is also involved.

Practice head(s):

Xavier Pernot; Loraine Donnedieu de Vabres-Tranié

Other key lawyers:

Florent Prunet


An efficient set of expertise and great follow-up and proactive support’.

‘The litigation team is able to address a wide range of litigation matters, beyond M&A or commercial litigation. The team has high-level knowledge and is client-oriented and practical.’

Key clients










EU, competition and distribution Tier 3

The sizeable and broad practice at Jeantet is strong in competition litigation before the FCA and the European Commission, and regularly handles cartel and abuse of dominance investigations, merger control cases, and distribution and consumer law. In recent years the team has been increasingly active in private enforcement actions and unfair competition cases for clients in regulated sectors such as telecoms, energy and transport. Loraine Donnedieu de Vabres-Tranié has extensive experience in high-profile litigation. Compliance specialist Thomas Picot advises clients in the transport, utilities and social housing sectors, while Florent Prunet focuses on energy and telecoms sectors.

Practice head(s):

Loraine Donnedieu de Vabres-Tranié

Other key lawyers:

Thomas Picot; Florent Prunet; Julia Bombardier


‘Great competence and availability.’

‘Florent Prunet, who knows the context well and assists us from the start. Florent’s work was highly effective!’

‘We work with Loraine Donnedieu de Vabres-Tranié and Florent Vever. On heavy litigation files in competition law. This team is distinguished by the excellence of the preparation of arguments and the practice of advocacy.’

‘Loraine Donnedieu de Vabres-Tranié and Florent Vever form a unique team. Florent very meticulous and sharp in the development of arguments, and Lorraine, with her mastery of public speaking and an unparalleled force of conviction.’

‘This team is particularly attentive and open to understanding the activity of the company it advises and its possibilities for development, in order to advise it in the most effective and creative way possible.’

‘This team, beyond its great competence, is at the same time very attentive, rigorous and creative, while keeping a simplicity of approach.’

Capital markets: equity capital markets Tier 4


Key clients

Hoffmann Green Cement Technologies

Maroc Telecom

Groupe Prologue (Prologue, M2i and O2i)

Equitis Gestion

Global Bioenergies


Euromedis Groupe

Alpha Blue Ocean

Yorkville Advisors

L1 Capital

Negma Group







Groupe Open

Mergers and acquisitions Tier 4

Key clients








GEA Group






















Tax Tier 4

Jeantet is recommended for transactional tax work and regularly advises on the structuring of M&A, private equity and real estate transactions handled by the firm. Small to mid-cap transactions are the group's mainstay, but the team also acts on larger deals and on equity capital markets transactions. The practice also regularly advises on real estate and other industrial assets-based transactions and offers expertise in property tax real estate structuring. The team is co-headed by Jean-Guillaume Follorou and Jacques-Henry de Bourmont, a recent arrival from LPA-CGR avocats in 2020. Counsel Gabriel di Chiara also contributes.

Practice head(s):

Jacques-Henry de Bourmont; Jean-Guillaume Follorou

Key clients



EB – Sustainable Investment Management GmbH

Milestones Investisseurs

Hoffman Green Cement

Bey Medias

Metropolitan Filmexport

TAT Group

LBO France

Equitis Gestion


Dispute resolution: International arbitration Tier 5

Practice head(s):

Thierry Lauriol; Ioana Knoll-Tudor


‘Unique commitment. The team is always available.’

Key clients


The firm: Jeantet advises companies and management in strategic areas of business law in connection with transactions and complex high-added-value cases, both as corporate and litigation counsel.

The firm’s knowledge of the economic, industrial and financial environment, proximity to decision-makers and know-how make it one of the leading French business law firms.

For four generations of lawyers, the strength of the Jeantet name has been the result of a constant striving for independence, an unfailing international outlook and an ongoing ability to play a leading role on the economic and legal scene.

Being able to quickly form multi-disciplinary teams to meet case requirements, which have frequently shifting parameters, is another of the firm’s strengths. The technical expertise of the firm’s lawyers is complemented by their co-operation with eminent academics, who are well-known specialists in their fields. The creativity that results from their co-operation is the hallmark of Jeantet’s methods and legal excellence.

Areas of practice: Jeantet advises managers, and French and foreign listed and unlisted companies, in connection with transactions and litigation matters with major issues at stake. In order to support clients in cross-border transactions or represent them in international disputes, Jeantet maintains close relations with the best independent law firms worldwide.

Jeantet has a presence in six countries worldwide with more than 120 lawyers. With offices in Morocco and Switzerland, Jeantet is the only institutional French law firm fully integrated in these three jurisdictions, with lawyers authorised to offer a full range of services.

In connection with the pursuit of its international development, Jeantet opened a new office in Moscow in 2016 and continues its expansion into Eastern Europe. This opening is an important step forward for Jeantet and a continuation of those of the Budapest and Kiev offices in October 2015. Jeantet is strengthening its international presence and is the most dynamic French law firm in Eastern Europe.

Department Name Email Telephone
Corporate Law/ Mergers and acquisitions Thierry Brun +33 (0)1 45 05 80 23
Corporate Law / Mergers and acquisitions Yvon Dréano +33 (0)1 45 05 80 15
Corporate Law/ Mergers and acquisitions Karl Hepp de Sevelinges +33 (0)1 45 05 81 12
Corporate Law / Mergers and acquisitions Philippe Matignon +33 (0)1 45 05 81 14
Corporate Law/ Mergers and acquisitions Vincent Netter +33 (0)1 45 05 80 15
Corporate Law/ Mergers and acquisitions Philippe Portier +33 (0)1 45 05 81 88
Corporate Law/ Mergers and acquisitions Anne Toupenay-Schueller +33 (0)1 45 05 80 23
Corporate Law/ Mergers and acquisitions Stephen Walters +33 (0)1 45 05 81 35
Capital markets and securities regulations Cyril Deniaud +33 (0)1 45 05 81 52
Capital markets and securities regulations Frank Martin Laprade +33 (0)1 45 05 81 52
Restructuring Bertrand Biette +33 (0)1 45 05 80 17
Restructuring Laïd Estelle Laurent +33 (0)1 45 05 80 17
Banking and finance Jean-François Adelle +33 (0)1 45 05 82 80
Banking and finance Christophe Jacomin +33 (0)1 45 05 81 65
Financial services regulation Martine Samuelian +33 (0)1 45 05 80 59
Commercial, Competition and European Law Loraine Donnedieu de Vabres-Tranié +33 (0)1 45 05 80 24
Commercial, Competition and European Law Thomas Picot +33 (0)1 45 05 80 24
Commercial, Competition and European Law Florent Prunet +33 (0)1 45 05 80 24
General business litigation Xavier Pernot +33 (0)1 45 05 81 68
International Arbitration Ioana Knoll-Tudor +33 (0)1 45 05 81 68
Energy, Mining & Infrastructures / International arbitration Thierry Lauriol +33 (0)1 45 05 80 83
Labour law Nicolas Mancret +33 (0)1 45 05 80 64
Tax Jacques-Henry de Bourmont +33 (0)1 45 05 81 88
Tax Jean-Guillaume Follorou +33 (0)1 45 05 81 14
Real estate Catherine Saint Geniest +33 (0)1 45 05 81 12
Technology, media and telecommunications Frédéric Sardain +33 (0)1 45 05 81 12
Photo Name Position Profile
 Jean-François Adelle  photo Jean-François Adelle Partner – Banking & Finance
 Bertrand Biette photo Bertrand Biette Partner – Restructruing & Insolvency
 Thierry Brun photo Thierry Brun Partner – M&A, Restructuring & insolvency, Private equity
 Cyril Deniaud photo Cyril Deniaud Partner – Listed Companies and Capital Markets Law, M&A, Stock market litigation
 Loraine Donnedieu de Vabres-Tranié  photo Loraine Donnedieu de Vabres-Tranié Partner – Commercial law, distribution and restrictive practices, Commercial litigation, distribution and…
 Yvon Dréano  photo Yvon Dréano Partner – M&A,  Private equity, Restructuring & insolvency, Corporate litigation, Insolvency litigation
 Jean-Guillaume Follorou photo Jean-Guillaume Follorou Partner – Tax law, Tax litigation
 Karl Hepp de Sevelinges photo Karl Hepp de Sevelinges Partner – M&A, Infrastructure, major contracts and projects, Private equity, Restructuring &…
 Christophe Jacomin photo Christophe Jacomin Partner – Banking & Finance, Finance Infrastructure, Energy
 Ioana Knoll-Tudor photo Ioana Knoll-Tudor Partner – Internatinal Arbitration
 Laïd Estelle Laurent photo Laïd Estelle Laurent Partner
 Thierry Lauriol photo Thierry Lauriol Energy and natural resources law – Arbitration, mediation and alternative dispute resolution – OHADA…
 Nicolas Mancret photo Nicolas Mancret Partner -Employment & Labour Law
 Frank Martin Laprade photo Frank Martin Laprade Partner – Listed companies and capital markets law, Stock market litigation, Corporate…
 Philippe Matignon photo Philippe Matignon Partner – Private Equity, M&A
 Vincent Netter photo Vincent Netter Partner – M&A, Private Equity, Restructuring & Insolvency
 Thomas Picot photo Thomas Picot Partner – Competition law and European law, Competition litigation, Consumer law, Consumer…
 Philippe Portier photo Philippe Portier Partner – M&A, Lobbying, public affairs and crisis management, Listed companies and…
 Florent Prunet photo Florent Prunet Partner – Commercial law, distribution and restrictive practices, Commercial litigation, distribution and…
 Catherine Saint Geniest photo Catherine Saint Geniest Partner – Real estate law, Real estate litigation
 Martine Samuelian photo Martine Samuelian Partner – Banking and finance (litigation & regulation), Business criminal law, Investment…
 Frédéric Sardain  photo Frédéric Sardain Partner – Intellectual property, Information technology
 Anne Toupenay-Schueller photo Anne Toupenay-Schueller Partner – M&A, Private Equity
 Stephen Walters photo Stephen Walters Partner – M&A, Private Equity
 Jacques-Henry de Bourmont photo Jacques-Henry de Bourmont Partner – Tax
Number of lawyers : 120
Contacts : Catherine Saint Geniest
Contacts : Karl Hepp de Sevelinges
Other offices : Budapest
Other offices : Casablanca
Other offices : Geneva
Other offices : Kiev
Other offices : Moscow