Jean-Paul Teissonnière

Edouard Sarrazin is an Antitrust partner and a member of the Firm's Private Capital industry group. Edouard advises on French and EU competition law, as well as FDI and State aids matters. His practice encompasses both advisory and contentious work, with particular experience in complex competition investigations and mutijuridictional merger control procedures. Edouard has extensive experience representing clients in high-profile cartel investigations and related competition proceedings. He r...

Bruno Deffains is a lawyer recognized by Best Lawyers in the practice areas of Corporate Governance and Compliance Practice and Product Liability Litigation. Bruno practices law in Paris, France Best Lawyers has recognized Bruno Deffains 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 Bruno Deffains is held by other lawyers.

Yamina Zerrouk is a lawyer recognized by Best Lawyers in the practice areas of Administrative Law, Construction Law, Environmental Law, Public Law and Real Estate Law. Yamina practices law in Paris, France Best Lawyers has recognized Yamina Zerrouk since 2019. 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 Yamina Zerrouk is held by other lawyers.

Lionel is the founder and managing partner of Galion Société d'Avocats , a Paris-based law firm advising French and international clients in Employee Benefits Law and Labor and Employment Law . He advises companies on individual employment relations , employment litigation, dispute resolution, corporate transactions, reorganizations and restructuring matters . Lionel also assists clients with Alternative Dispute Resolution (ADR), including mediation. Admitted to the Bar in 1997,...

Clarisse Bouchetemblé is a lawyer recognized by Best Lawyers in the practice area of Mergers and Acquisitions Law. Clarisse practices law in Paris, France Best Lawyers has recognized Clarisse Bouchetemblé since 2024. 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 Clarisse Bouchetemblé is held by other lawyers.

Guillaume Brajeux is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation, Insurance Law, Litigation, Maritime Law, Product Liability Litigation and Transportation Law. Guillaume practices law in Paris, France Best Lawyers has recognized Guillaume Brajeux since 2014. 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 Guillaume...

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...

Gaëlle Le Quillec is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation and International Arbitration. Gaëlle practices law in Paris, France Best Lawyers has recognized Gaëlle Le Quillec since 2014. 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 Le Quillec is held by other lawyers.

Benjamin May is a leading tech & IP attorney. He assists companies in complex litigation and transactions, on a cross-border basis. His majors are intellectual property, patents litigation, technology and data. He has leading sector expertise in financial services and fintechs, as well as in life sciences and healthcare. Benjamin is one of the creators of an AI risk management platform. Benjamin is regularly recognized in most international guides and rankings, including Legal 500 (Tradem...

Maria acts as lead counsel in investor-state and commercial arbitration and litigation across a variety of industrial sectors, including oil and gas, renewable energy, utilities, infrastructure, banking, aviation and manufacturing. She also serves as arbitrator.