Lily Kengen

Lily specialises in contract law and in civil and commercial litigation, including arbitration. She acts as counsel in judicial and arbitration proceedings, as administrative secretary to arbitral tribunals (ICC, CEPANI, ad hoc,…) and also as an arbitrator.

She is a member of CEPANI and of the Steering Committee of CEPANI40. She also holds the C-Build certification from CEPANI.

Since 2020, Lily has been an assistant lecturer in Economic and European law at the University of Mons (2020-2024) and at the Free University of Brussels (since 2023). 

Lily has been a lawyer at the Brussels Bar since 2016. Prior to working at Hanotiau Tossens Goldman, Lily joined Tossens Goldman Gonne in 2019 after working for a top-tier law firm in Brussels.

Lily is involved in the following cases:

• Representation of a Belgian company specialised in business management in CEPANI arbitration proceedings concerning the termination of a management contract with the company for which it served as managing director, and the consequences of this termination
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• Representation of the Belgian subsidiary of a global energy market leader in a dispute against its subcontractor, a multinational Belgian company, regarding the termination for fault of a contract related to modernization work on certain components of nuclear sites
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• Representation of a Belgian company in enforcement proceedings of a CEPANI arbitration award in Belgium against another Belgian company, a subsidiary of an international group engaged in the trade of petroleum products (including obtaining an exequatur order, conservatory attachments, garnishment proceedings, opposition to attachments, etc.)
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• Representation of a Belgian company in setting aside proceedings initiated by the opposing party against a CEPANI arbitral award, both in interim measures seeking suspension of the award’s enforcement and on the merits of the case
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• Representation of the Federal Holding and Investment Company in multiple investments, including an investment in an Indian fund and in Euronext

• Sole arbitrator in CEPANI arbitration proceedings concerning the performance of a supply contract in the watchmaking sector
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• Sole arbitrator in CEPANI arbitration proceedings concerning the performance of a service contract and the non-payment of invoices

2015 – Master in International and European law – KULeuven

2014 – Erasmus at the University of Edinburgh

2013 – Bachelor in Law – Free University of Brussels

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Brussels Bar

• French
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• English
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• Dutch (passive)

• Belgian

• Assistant Lecturer in Economic and European law at the Free University of Brussels (2023-)
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• Arbitration Lunch Match Ambassador for Brussels, Belgium (2024-)
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• Assistant Lecturer in Economic and European law at the University of Mons (2020-2024)

• Member of CEPANI 
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• Member of the CEPANI40 Steering Committee
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• Member of CEPANI40

• D. Chochitaichvili and L. Kengen, « Les tribunaux arbitraux et la Cour de justice de l’Union européenne : un dialogue impossible ? Réflexions autour du renvoi préjudiciel », b-Arbitra, 2025/1

• J.-F. Tossens and L. Kengen, « Ten years after the Belgian Law of 24 June 2013 on arbitration », b-Arbitra, 2024/2

• L. Kengen, « La fin d’un contrat entre entreprises à durée indéterminée : quelques conséquences pratiques et financières et analyse au regard de certains contrats réglementés », in A. Vandenbulke (dir.), Contrats entre entreprises : questions choisies, Commission Université-Palais, Vol. 223, Liège, Anthémis, 2023

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