Gauthier Vannieuwenhuyse

Gauthier Vannieuwenhuyse


Email [email protected]​

Phone +33 1 53 67 47 47

Fax +33 1 53 67 47 48

LanguagesEnglish, French, German

Practice groupLitigation, Arbitration, and Employment

“Gauthier Vannieuwenhuyse is very competent, outgoing, sympathetic and available. It is very pleasant to work with this kind of person, who does not hesitate to set the pace and take time to clarify certain subjects.”

Legal 500 EMEA 2022

As a counsel in our International Arbitration Group, Gauthier Vannieuwenhuyse focuses his practice on commercial and investment treaty arbitration.


He brings extensive experience of arbitration under the rules of the ICC, LCIA, ICSID and UNCITRAL, acting for companies from diverse industries as well as on behalf of States and international organizations. Gauthier has particular experience in arbitration in the Technology, Media and Telecommunications, energy, and pharmaceutical sectors, with a focus on emerging markets, particularly in the Middle East and Africa. He also regularly acts in arbitration-related Court proceedings including annulment proceedings before the Paris Court of Appeal.

Prior to joining Hogan Lovells, Gauthier was an associate in the international arbitration team at a major international law firm. He also publishes regularly on topical issues in international arbitration.


Awards and recognitions


Recommended Lawyer
Legal 500

Education and admissions


LL.M. International Business Law, University College London

Masters in Public International Law and International Organisations, Université Paris I Panthéon-Sorbonne

LL.B. in French and German Law, Université Paris X Nanterre / Universität Potsdam


ICC French Commission on Arbitration and ADR

Silicon Valley Arbitration & Mediation Center

ASA below 40




Bar admissions and qualifications


Representative experience

Representing a Central European Agency in a 700 million USD ICC arbitration arising from a petroleum cost recovery dispute relating to the biggest onshore oilfield in Europe.

Representing a media conglomerate against a Lebanese company in parallel ICC arbitrations and court proceedings concerning breaches of agreements relating to their business in the Middle East.

Representing a company specialized in the design and delivery of broad-based telecommunications in an LCIA arbitration against a major telecommunications company in Cameroon. 

Representing a telecommunication company in an ICC arbitration proceeding involving contractual claims relating to a mobile virtual network operator contract.

Representing a steel producer in annulment proceedings before the Paris Court of Appeal against a state-owned company in the heavy industry sector.

Representing a Dubai-based school in annulment proceedings before the Paris Court of Appeal launched further to an arbitration regarding a land lease contract for the premises of a school in Dubai. 

Advising a market-leading telecom tower infrastructure company in pre-arbitration negotiations against a French telecom company in the Democratic Republic of Congo.

Representing an oil and gas company in an ICC arbitration brought against it and three other companies concerning corporate law issues.

Representing a technology firm in LCIA and ICC arbitrations against its North African contractor regarding engineering contracts for oil exploration in North Africa.

Representing a central Asian state in an UNCITRAL arbitration brought by a Canadian mining company under the Energy Charter Treaty relating to uranium mining licenses.

Representing a French multinational company in ICC arbitration against an American company regarding a contract for the supply of equipment for an aluminium plant.

Representing a North African State entity in ICC arbitration proceedings and in court proceedings in relation to several of its investments.

Representing an African company in ICC arbitration proceedings in relation to the renovation of a hotel.

Representing a Guernsey company in annulment proceedings against an arbitral award before the Paris Court of Appeal.

Advising a Mexican state-related entity in relation to the freezing of its assets in a European country.

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