Firm Profile > McDermott Will & Emery AARPI > Paris, France

McDermott Will & Emery AARPI
75007 PARIS

Industry focus: Healthcare and life sciences Tier 1

McDermott Will & Emery AARPI is an excellent choice for strategic M&A, venture and partnerships transactions in the healthcare sector. The firm advises a large client base, made up of established pharmaceutical groups, biotech companies and investors, and manages a high volume of transactions. Practice head Emmanuelle Trombe and Anthony Paronneau are the key contacts.

Practice head(s):

Other key lawyers:

Key clients



Innate Pharma

Vivet Therapeutics

Pierre Fabre

DBV Technologies



Yukin Therapeutics

Keen Eye

Kurma Partners


Advent Biotechnology

PDCLine Pharma

Administrative and public law Tier 3

McDermott Will & Emery AARPI's five-lawyer team has strong regulatory expertise, especially when it comes to tackling key matters in the energy, telecoms and transport sectors. The practice assists several major state-owned companies, as well as leading French and international operators. The firm is notably assisting a foreign new entrant in connection with the opening of the French regional railway sector market. It is also handling a strategic regulatory dispute in the telecoms area. Finally, the practice also advises on public sector procurement contracts. Sabine Naugès and Laurent Ayache co-head the practice.

Practice head(s):

Key clients

Action Logement Groupe


Arriva Plc


Corsica Ferries



Ideal Industries

IPC Petroleum




Banking and finance: transactional work Tier 3

McDermott Will & Emery AARPI works predominantly in the growing European fund finance market and on the French acquisition and leveraged finance mid-market. It has specialist expertise in key areas, notably equity bridge financing and private equity deals. The practice is driven by sole partner Pierre-Arnoux Mayoly, who is ably supported by senior associate Shirin Deyhim. Mayoly is a key practitioner for lenders and borrowers active in the equity bridge market in Paris. He counts Tikehau Capital and Citi Bank among his clients.

Practice head(s):

Key clients

Five Arrows Direct Lending

Tikehau Capital


Andera Partners

RBC Royal Bank

Citi Bank

Dispute resolution: Commercial litigation Tier 3

McDermott Will & Emery AARPI  handles product liability and commercial cases for major French and international companies. The practice also acts in litigation relating to shareholder conflicts and the termination of managers. Practice head Alexis Werl and Aymeric Discours are recommended.

Dispute resolution: White-collar crime Tier 3

McDermott Will & Emery AARPI handles handling fraud, corruption and doping cases, as well as matters related to the political sphere. Practice head Alexis Werl represents major financial institutions, corporations, former members of the French government, top executives and private investors.

Practice head(s):

Key clients

Crédit Immobilier de France

Insolvency Tier 3

McDermott Will & Emery AARPI's Timothée Gagnepain assists debtors, buyers, creditors and shareholders. Gagnepain acts in French restructuring and insolvency proceedings and regularly advises on cross-border cases. He also assists private equity funds and industrial companies with the takeover of distressed companies and handles related litigation. He was recently involved in several landmark cases.

Practice head(s):

Key clients


Groupe Rougier

Groupe Grégoire

Bpifrance Financement

Groupe Almage

Ballouhey SAS

Bpifrance Investissement

Prudentia Capital

Amundi Private Equity Funds


Compagnie Marco Polo

Weber Automotive

Soleytanche Freyssinet

Comité National Olympique et Sportif Français

Private equity: LBO Tier 3

McDermott Will & Emery AARPI

Key clients

Montefiore Investment







Péchel Industries

Activa Capital

Quilvest PE


Eurazeo PME


Argos Wityu


Antin Infrastructure

Platina Partners


Five Arrows Private Equity


MBO Partenaires




Galiena Capital


IK Investment Partners


Hana Group

Atlas For Men





Group Label


Tax Tier 4

Led by Antoine Vergnat, McDermott Will & Emery AARPI's tax practice has particular strength in advising on the structuring of M&A and private equity transactions in which the firm is involved. The team assists investment funds and several pharmaceutical and healthcare companies. It is adept at handling cross-border tax matters, often involving a US component, and has expertise in capital markets deals. The team also provides standalone tax advice to companies on tax restructuring and litigation.

Practice head(s):

Key clients


DBV Technologies



Vivet Therapeutics


Innate Pharma




The firm: McDermott Will & Emery partners with leaders around the world to fuel missions, knock down barriers and shape markets. Our team works seamlessly across practices, industries and more than 20 locations to deliver highly effective—and often unexpected—solutions that propel success. More than 1,200+ lawyers strong, we bring our personal passion and legal prowess to bear in every matter for our clients and the people they serve.

Areas of practice: The Paris office plays an important role for the firm internationally, helping French businesses strengthen their positions domestically, throughout Europe, the Middle East, Africa and around the world. The Paris lawyers also advise foreign and multinational investors, companies and financial institutions seeking to enter the marketplace in France. As part of an international network of collaborative lawyers, McDermott’s professionals share ideas on trends and key developments in law and on the numerous industries in which its clients operate, resulting in seamless, multidisciplinary service to its clients.

The team advises clients across numerous areas of law, including corporate, mergers and acquisitions, private equity, securities and listing transactions, corporate restructuring and bankruptcy law. The team represents clients in a wide range of industry sectors including, but not restricted to, energy (with an emphasis on projects in Africa), tour operating and telecommunications. The Paris energy practice is a dedicated team of lawyers with a strong sector focus on energy, oil and gas, and related areas such as natural resources and commodities. The team advises energy producers and traders in the US, Europe, Africa, the Middle East and Asia. The Paris lawyers also counsel clients on matters involving general commercial law, with a focus on the pharmaceutical, life sciences, medical device, biotech and healthcare industries. The dispute resolution lawyers advise on international arbitration and public law, and counsel on behalf of companies in civil, criminal and administrative matters. The employment practice advises businesses on issues such as termination, discrimination, harassment, restrictive covenant breaches, strikes and other collective conflicts, and counsels clients on the labour and employment aspects of domestic and transnational commercial matters. Furthermore, the Paris lawyers advise on the full range of EU competition issues, litigation and international tax issues. With a diversified business practice, the firm represents a wide range of commercial, industrial and financial enterprises, including publicly traded and privately held companies.

The Paris team and individual lawyers are recognised for the quality, consistency and creativity of their legal counsel. As part of a global, full-service law firm, the lawyers of the Paris office are prepared to help clients wherever their business interests take them.

Department Name Email Telephone
Corporate Jacques Buhart
Corporate Jonathan Wohl
Corporate Thibaud Forbin
Corporate Bertrand Delafaye
Corporate Nicolas Lafont
Mergers and acquisitions Thibaud Forbin
Mergers and acquisitions Bertrand Delafaye
Antitrust and competition Jacques Buhart
Tax Antoine Vergnat
Employment Jilali Maazouz
EU competition Jacques Buhart
Litigation Alexis Werl
Litigation Laurent Ayache
Public law, regulatory and government strategies Sabine Naugès
Energy, project finance, Africa Jean-Claude Petilon
Private equity Henri Pieyre de Mandiargues
Private equity Carole Degonse
Health, life sciences Emmanuelle Trombe
Health, life sciences Anthony Paronneau
Banking and finance Pierre-Arnoux Mayoly
Intellectual property Laura Morelli
Privacy & Cybersecurity Romain Perray
Capital Markets David Revcolevschi
Capital Markets Bertrand Delafaye
Photo Name Position Profile
Mr Grégoire Andrieux  photo Mr Grégoire Andrieux Grégoire Andrieux is a partner, he focuses on domestic and international mergers and…
 Laurent Ayache  photo Laurent Ayache Laurent Ayache is a partner and co-head of the Regulatory Practice in…
Mr Jacques Buhart  photo Mr Jacques Buhart Jacques Buhart is a partner, he focuses his practice on cross-border mergers…
Ms Carole Degonse  photo Ms Carole Degonse Carole Degonse is a partner, she focuses her practice on leveraged buyout (LBO)…
Ms Shirin Deyhim  photo Ms Shirin Deyhim Associate Shirin Deyhim focuses her practice on structured finance transactions; in particular…
 Aymeric Discours photo Aymeric Discours Partner Aymeric Discours represents clients in general mergers and acquisitions, and commercial…
 Timothée Gagnepain photo Timothée Gagnepain Partner Timothée Gagnepain focuses his practice on complex restructurings and insolvencies, both…
Mr Lionel Lesur  photo Mr Lionel Lesur Lionel Lesur is a partner, he advises domestic and international companies from a…
Mr Jilali Maazouz  photo Mr Jilali Maazouz Jilali Maazouz is a partner, focusing his practice on labor and employment,…
Mr Pierre-Arnoux Mayoly  photo Mr Pierre-Arnoux Mayoly Partner Pierre-Arnoux Mayoly focuses on structured finance matters, in particular in the…
 Sabine Naugès photo Sabine Naugès Sabine Naugès is a partner, her practice focuses on all aspects of…
Mr Anthony Paronneau  photo Mr Anthony Paronneau Anthony Paronneau is a partner, he advises clients on all aspects of corporate and…
Mr Henri Pieyre de Mandiargues  photo Mr Henri Pieyre de Mandiargues Henri Pieyre de Mandiargues is a partner, he focuses on private equity transactions,…
Ms Emmanuelle Trombe  photo Ms Emmanuelle Trombe Partner Emmanuelle Trombe represents pharmaceutical, medical device and bio-pharmaceutical companies globally in…
Mr Antoine Vergnat  photo Mr Antoine Vergnat Partner Antoine Vergnat focuses his practice on advice to French and non-French…
 Alexis Werl photo Alexis Werl Partner Alexis Werl regularly represents local and international corporations, high-net-worth and politically…
Number of lawyers : 1200
at this office : 71
All main business languages
Strategic alliance with MWE China Law Offices
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