Marion Coiffier

Pierre-Marie Boya is a Private Equity M&A partner and a member of the Firm’s Private Capital industry group. Pierre-Marie’s practice focuses primarily on highly regulated industries, including technology and healthcare, as well as energy and infrastructure. His clients include private equity sponsors, venture capital firms, and public and private companies, which he supports throughout the full life cycle of their investments. Pierre-Marie advises clients on a wide range of co...

Vanessa holds a specialty certificate in Intellectual Property (trademark law, design law, literary and artistic property, computer and telecommunications law). She trained at the University of Pantheon-Assas. She holds a D.E.A. in Corporate Law from the University of Paris Dauphine and a D.E.S.S. in International Trade Law. She also studied Intellectual Property in London at the University of Queen Mary and Westfield College. Vanessa worked as an Associate Lawyer for the law firm Hirsch for ...

Stéphanie Schweitzer is a lawyer recognized by Best Lawyers in the practice areas of Leisure and Licensing Law, Maritime Law and Transportation Law. Stéphanie practices law in Paris, France Best Lawyers has recognized Stéphanie Schweitzer since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Stéphanie Schweitzer is held by other lawyers.

Gaëlle Saint-Jalmes is a lawyer recognized by Best Lawyers in the practice area of Regulatory Practice. Gaëlle practices law in Paris, France Best Lawyers has recognized Gaëlle Saint-Jalmes since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Gaëlle Saint-Jalmes is held by other lawyers.

Bertrand Barrier has acquired a solid experience in Mergers & Acquisitions and assists international clients in their investment projects. With 20 years of international experience, Bertrand is also involved in the development of large-scale projects and infrastructures, mainly in developing countries, and has developed significant experience in the field of renewable energy.

Arnaud Moquin is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Arnaud practices law in Paris, France Best Lawyers has recognized Arnaud Moquin since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Arnaud Moquin is held by other lawyers.

Pierre Linais is a member of the Litigation, Arbitration and Mediation department. He represents many French and foreign clients in pre-litigation and litigation matters, particularly in the banking, insurance, transportation, construction and energy sectors. His main practice areas are corporate commercial and operational litigation, financial litigation and enforcement proceedings. He also has specific experience in industrial claims and complex proceedings in which judicial experts are app...

Philippe Portier is in charge of Corporate Finance/M&A, Corporate Compliance/CSR and Public Affairs/Lobbying. He is a specialist in corporate governance, executive remuneration (Say on Pay) and compliance (anti-corruption programmes, due diligence plans, etc.) and contributes to the work of the Institut Montaigne, Fondation Croissance Responsable and the IFA. From 2012 to 2021, he chaired the Association des Avocats Lobbyistes (AAL).

Timothée Gagnepain is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Reorganization Law. Timothée practices law in Paris, France Best Lawyers has recognized Timothée Gagnepain since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Timothée Gagnepain is held by other lawyers.

Marie-Hélène Tonnellier is a lawyer recognized by Best Lawyers in the practice areas of Advertising Law, Information Technology Law, Intellectual Property Law, Media Law, Privacy and Data Security Law and Technology Law. Marie-Hélène practices law in Paris, France Best Lawyers has recognized Marie-Hélène Tonnellier since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professiona...