Home / People / Sebastian Boyxen
Portrait of Sebastian Boyxen

Sebastian Boyxen


CMS Francis Lefebvre Avocats
2 rue Ancelle
92522 Neuilly-sur-Seine
Languages English, French, German

Sebastian specializes in tax law. Focusing on national and international corporate taxation, he mainly advises clients within group tax management, the tax structuring of investment projects, disposals, or internal reorganizations (mergers and spin-offs) as well as in the context of real estate transactions and the structuring of real estate investment funds.

He also assists executives with their income and wealth tax issues.

Sebastian has joined CMS Francis Lefebvre in October 2009.

more less

Memberships & Roles

  • Member of the Hauts-de-Seine Bar (since 2010)
  • Member of IACF
  • Lecturer in the Master 2 of Tax Law at the University of Paris 1 - Panthéon -Sorbonne (since 2020)
more less


  • Certificate of specialization in tax law, CNB (2021)
  • Bar admission (CAPA), EFB (2009)
  • Master in European Business (MEB), ESCP Europe, Paris / Madrid (2008)
  • Masters’s degree in Tax Law, University of Paris I – Panthéon-Sorbonne (2007)
  • Double Master’s degree in French and German Law (LL.M.), Universities of Paris I – Panthéon-Sorbonne (2006) and Cologne, Germany (2004)
more less


CMS Bur­eau Fran­cis Le­fe­b­vre ad­vises Givaudan Group as pre­ferred bid­der...
CMS Bur­eau Fran­cis Le­fe­b­vre ad­vised the Givaudan Group, glob­al lead­er in the fra­grance and fla­vour in­dustry, as the pre­ferred bid­der for the ac­quis­i­tion of 100% of the cap­it­al of So­li­ance from ARD (Agro...