Lelieur Isabelle

Expert in Aviation Business Law and Policy, LL.M., Attorney
Paris (France)
Isabelle Lelieur


In 1999 she graduated from Law Faculty of Toulouse University (France).

In 2000 she acquired the Master’s Degree in Air & Space Law (IFURTA) at the Law Faculty of the Aix-Marseille University (France).

In 2002 she acquired the LLM at the Institute of Air & Space Law at McGill (Montreal, Canada).

Teaching activity: 

From 2003 to present  she maintains a position as an academic speaker in aviation/airport business law and policy in Paris-La Sorbonne, Toulouse and Aix-en-Provence Universities, as well as for the Joint Aviation Authorities Training Organization (JAA TO) in Amsterdam.


From 2002 to 2007 she was a head of the legal department at the French Airport association.

From 2007 to 2017 she was a head of the legal department at VINCI Airports. Working for a worldwide major player of airport concession has brought Mrs Lelieur a large knowledge of strategic issues and challenges of airport investors, operators and their partners. She provided legal assistance related to airport concession contracts and airport operations, mainly in Europe and in Asia.

Admitted to the Paris Bar, she started in 2017 her own practice and then joined, as a Partner, in 2018 Chevrier Avocats law firm, a French law firm specialized in aviation. She represents and advices mainly airlines, airports, insurers, regulators and service providers, in France and worldwide, in business aviation law and policy. In particular, she deals with legal risk management, as well as contractual (PPP & private contracts), regulatory, competition and liability issues.

Currently, she is involved in the Global ACI-ICAO Airport Management Professional Accreditation Programme (AMPAP).

She is a member of the French Society of Air and Space Law (SFDAS) and the McGill Institute of Air & Space Law Alumni Association (IASL).

Lelieur Isabelle. Chapter "Airport Business & Regulation", Book “Routledge Handbook Public Aviation Law”, August 2016.
Lelieur Isabelle. Law and Policy of Substantial Ownership and Effective Control of Airlines – Prospects for Change” Ed. Ashgate, August 2003.
Lelieur Isabelle. Les accords Bilatéraux [Bilateral Agreements], Journal Spécial des Sociétés, Nov. 2017.
Lelieur Isabelle. L’affaire Ryanair et ses conséquences sur les aéroports [Ryanair business and its consequences on airports]. La Documentation Française, l’Europe des Transports, p.315, sept 2005.