Sébastien Poncet

Delphine BRETAGNOLLE is a partner lawyer in the LYON office’s Employment – Social Security Law Department. Alongside standard services in labour law (in both advisory work and litigation), she has developed particular expertise in : advisory work and litigation during collective insolvency proceedings, mergers and acquisitions, company restructurings and reorganizations (company transfers, geographic and/or professional mobility plans, standardizing articles of association, collec...

Philippe DUMEZ is co-head of the LYON office’s "Merges & Acquisitions - Corporate law" Department. Alongside standard services in Corporate Law (equity financing), he works from the LYON office in : restructurings, mergers, company transfers, leverage operations (LBOs, OBOs and fundraising), supporting external growth, etc. drafting specific contracts (industrial subcontracting, distribution, sales of client lists) struggling companies : preventive procedures (conciliation, ad hoc a...

Delphine Monnier is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Delphine, who practices law in Lyon, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Delphine is held by other top lawyers in the same geographic and legal practice area.

Pauline Fourmaux is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Pauline, who practices law in Lyon, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pauline is held by other top lawyers in the same geographic and legal practice area.

Pierre-Jean FERRY is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Pierre-Jean, who practices law in Lyon, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pierre-Jean is held by other top lawyers in the same geographic and legal practice area.

Xavier DELSOL is the founder and co-head of the Non-Profit Organizations Department. He has developed recognized expertise in both advisory work and litigation in : taxation of associations and non-profit organizations organization, management and restructuring of associations and non-profit organizations collective worship law tourism law sports law culture law education law patronage and sponsorship. He works primarily for associations, foundations, endowment funds, mutual structures, profe...

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...

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.

Luc-Marie AUGAGNEUR holds a Diploma in Corporate Counsel from Lyon III University (Jean Moulin) and the Rhône-Alpes Law School (Lyon). He has been practicing law since 2003. In 2020, he joined Cornet Vincent Ségurel's Lyon office as Partner to bring his expertise in Competition, Distribution, Business Law Litigation, Economic Criminal Law and Digital Law. Luc-Marie has comprehensive experience in Marketing Law, Intellectual Property, as well as in IT, AI and Compliance. He assist...

Amaury DUMAS-MARZE is a partner within the « Distressed companies - Restructuring » department. Amaury assists distressed companies, administrators and judicial representatives, as well as rescuers. More specifically he works : with distressed companies : facing either preventive (ad hoc mandate, conciliation), or collective insolvency proceedings (safeguard, judicial recovery), with court-appointed receivers and trustees in the context of insolvency proceedings carried out under ...