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Mathias Dantin

Mathias Dantin

Of Counsel

Mathias specialises in the infrastructure sector and other regulated industries, including notably energy.



Mathias advises clients on public law and highly specific regulatory issues, as well as on transactional matters (analysis and drafting of concession agreements, EPC, O&M, PPAs, etc), both in France and internationally. He also defends the interests of our clients before the administrative courts in France and the courts of the European Union, as well as on the African continent (with the support of local counsel).

Mathias has published a number of articles in the energy sector and has co-authored the France chapter of the firm's European Energy Handbook since 2013. 

He is recognised by Legal 500 EMEA 2018 (France) as a “Next Generation Lawyer” for Energy / Project Finance. Who’s Who Legal 2018 says that Mathias is a “highly knowledgeable regulatory expert with deep expertise in the energy sector. Clients describe him as 'a very skilled lawyer' and commend his 'excellent communication skills and ability to clarify complex legal issues'." Mathias is also described by respondents in Who's Who Legal 2017 as "very solutions oriented and always demonstrates a high level of integrity".

He is member of the following organisations:

  • American Bar Association (International Energy and Natural Resources Committee)
  • Association Française du Gaz 
  • French Association for Energy Economics
  • International Bar Association
  • Syndicat des Energies Renouvelables

Mathias’ experience includes advising:

  • EDF, International Finance Corporation and Government of Cameroon on the development of the Nachtigal Hydroelectric Project (420MW) in Cameroon
  • DONG Energy on its successful bid for three sites (total capacity 1500MW) in France's first offshore wind tender round, including the joint venture agreement with EDF Energies Nouvelles and supply agreements with Alstom and other parties to the tender
  • Marguerite Fund on its investment in the FTTH (Fiber-to-the-Home) concession project in Alsace (France) - European Telecoms Deal of the Year 2017 –  Alsace High Speed Broadband PPP
  • a major oil and gas company on over 20 disputes against the French State and local authorities relating to its hydrocarbon exploration licences and mining permit applications
  • an 11-bank syndicate on €650 million in refinancing of a portion of the construction costs for the Georges Besse uranium enrichment plant, owned by Areva subsidiary SET - Industry Deal of the Year, Europe, PFI Awards 2014 and European Power Deal of the Year, IJGlobal Awards 2014


  • Co-author of the French Chapter in "Legal Aspects of EU Energy Regulation", Second Edition, Edited by Peter Cameron and Raphael Heffron, Oxford University Press
  • Co-author of "Vent de colère – wind feed-in tariff order 2008: illegal state aid interest recovery", Case Commentaries, Environmental Liability – Law, Policy and Practice, Lawtext Publishing, Issue 1 Volume 24 2016
  • Author of the chapters dedicated to Burkina Faso, Cameroon, Côte d'Ivoire, Mali, Morocco and Tunisia in the 2017 Year in Review, American Bar Association –  International Energy and Natural Resources Committee
  • Author of the chapters dedicated to Cameroon, Mali and Morocco in the 2016 Year in Review, American Bar Association –  International Energy and Natural Resources Committee



Mathias is admitted to the Paris and New York Bars. He holds an LL.M from the University of Minnesota, Professional Master's degrees in Business law/tax and a Master 1 in public business law from the Magistère Droit Public de Affaires, University of Lyon III.
Mathias is a Visiting Lecturer at the Master 2 dedicated to energy regulation at the University of Aix-Marseille.