Karine Etienne

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...

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

Maud Perilli is a lawyer recognized by Best Lawyers in the practice areas of Insolvency and Reorganization Law and Labor and Employment Law. Maud practices law in Lyon, France Best Lawyers has recognized Maud Perilli 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 Maud Perilli is held by other lawyers.

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

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.

Laurent BUTSTRAËN is co-head of the Non-Profit Organizations Department. He has developed recognized expertise in : legal and tax aspects of the incorporation and operation of associations and non-profit organizations (legal audits, tax, incorporation of structures relating to the implementation of complex projects, etc.) contractual undertakings (drafting of contracts, transactions, etc.) due diligence legal and tax audits, design and implementation of the reorganization and restructuri...

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.

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

Emmanuel KAEPPELIN is co-head of the "Merges & Acquisitions - Corporate law" Department. Alongside standard services in corporate law (repeat advisory work and company management), he has developed more specific expertise in the following areas : company transfers and acquisition audits (acquisitions on behalf of French or international groups) equity financing and company restructuring (LBOs, MBOs, fundraising, mergers, demergers, partial asset transfers, agreements between partners, etc...