Sébastien Cellier

Dominique Chapellon-Liedhart is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Dominique, who practices law in Lyon, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dominique is held by other top lawyers in the same geographic and legal practice area.

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...

Frédéric SUBRA is co-head of the LYON office’s "Wealth law & taxation" and "Corporate taxation" Departments. Alongside standard services in tax law (repeat advisory work and litigation management), he has developed recognized expertise in : taxation linked to mergers and acquisitions and more generally to company restructurings and transfers taxation of groups of companies, tax consolidation, global consolidation tax audits during closures of accounts or acquisitions, ...

Nicolas Chavrier is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Nicolas, who practices law in Lyon, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicolas is held by other top lawyers in the same geographic and legal practice area.

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...

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.

Caroline Camière is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Caroline, who practices law in Lyon, France, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Caroline is held by other top lawyers in the same geographic and legal practice area.

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...

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 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...