Delphine Viennois

With a post-graduate diploma in business law and taxation from the University of Clermont-Ferrand, Pierre GUIGNAND has been a member of the Lyon bar since 2006.A lawyer with Ratheaux from 2006 to 2009, he joined Lamy & Associés in 2009 and became a partner in 2015.Pierre GUIGNAND also works in all areas of corporate law, particularly in domestic and international mergers and acquisitions, private equity and investment operations.

Jean-François DEFUDES is partner and co-head of the “Corporate taxation” department. His professional career has enabled him to acquire solid expertise in the following areas : Corporate and group taxation (restructuring, corporation tax, tax consolidation, VAT, local taxes, etc.) Mergers and acquisitions and restructuring operations (M&A) Taxation of executives (remuneration, capital gains, dividends, IFI) Tax audit and litigation International taxation Tax demateriali...

Mohamed Bouzenada is recognized by Best Lawyers as a leading attorney in restructuring and insolvency, and is a trusted advisor to companies and investors facing turnaround, restructuring, and insolvency challenges. He has extensive expertise in designing and implementing preventive, restructuring, and distressed asset solutions, including : Financial restructuring and complex renegotiation of banking, tax, and social security liabilities, including the implementation of financing solutions t...

Jean-Jacques Fournier is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Jean-Jacques practices law in Lyon, France Best Lawyers has recognized Jean-Jacques Fournier 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 Jean-Jacques Fournier is held by other lawyers.

Catherine Millet-Ursin is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits Law and Labor and Employment Law. Catherine practices law in Lyon, France Best Lawyers has recognized Catherine Millet-Ursin since 2018. 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 Catherine Millet-Ursin is held by other lawyers.

Pierre Jakob is a lawyer recognized by Best Lawyers in the practice areas of Government Relations Practice and Public Law. Pierre practices law in Lyon, France Best Lawyers has recognized Pierre Jakob 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 Pierre Jakob is held by other lawyers.

Pauline Ducoin is a lawyer recognized by Best Lawyers in the practice areas of Information Technology Law and Privacy and Data Security Law. Pauline practices law in Lyon, France Best Lawyers has recognized Pauline Ducoin 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 Pauline Ducoin is held by other lawyers.

Yann Bougenaux is an attorney with Oren Avocats in Lyon, where he focuses his practice on labor and employment law with a specialization in Workplace accidents and occupational diseases . He advises companies and organizational leaders on the legal issues that arise throughout the employment relationship, from hiring and contract drafting to workplace policies and dispute resolution. His work often involves guiding clients through the practical application of French labor regulations while he...

Mathieu Hugueville is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Mathieu practices law in Lyon, France Best Lawyers has recognized Mathieu Hugueville 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 Mathieu Hugueville is held by other lawyers.

Hugues Pélissier is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Hugues practices law in Lyon, France Best Lawyers has recognized Hugues Pélissier 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 Hugues Pélissier is held by other lawyers.