Portrait de Patrick VAN LEYNSEELE, Avocat associé - DALDEWOLF

Global Chambers – DISPUTE RESOLUTION: LITIGATION – Belgium – 2023

Patrick Van Leynseele of DALDEWOLF has experience advising clients from the pharmaceutical, automotive and logistics industries. He is particularly noted for his expertise acting as a mediator.

Global Chambers – DISPUTE RESOLUTION: LITIGATION – Belgium – 2022

Global Chambers – DISPUTE RESOLUTION: LITIGATION – Belgium – 2022
‘Patrick Van Leynseele of DALDEWOLF is a highly regarded mediator, with sources saying that “every time we need a mediator in a big case with international clients, I would pick Patrick Van Leynseele.” He has experience advising clients from the pharmaceutical, automotive and logistics industries.’

Global Chambers – DISPUTE RESOLUTION: ARBITRATION – Belgium – 2020
‘Sources describe Patrick Van Leynseele as « an absolute star in mediation » and a « mediation guru. » He focuses on contractual and corporate disputes.’

Global Chambers – DISPUTE RESOLUTION – 2019
‘Patrick VAN LEYNSEELE of DALDEWOLF focuses on alternative dispute resolution and is lauded by sources as “a really good mediator’

Legal 500 – DISPUTE RESOLUTION – 2020

Leaders League – ARBITRATION – Excellent

Best Lawyers – ARBITRATION and MEDIATION – Lawyer Of The Year – 2020

Patrick Van Leynseele is a member of the Brussels (1979) and New York (1997) bars. He is a partner at DALDEWOLF. He is a member of the Corporate and Finance team. He co-heads the Arbitration, Complex Litigation and Mediation team. He is a member of the Italy Desk and the US Desk.

Patrick has developed a real expertise in corporate and commercial law and is one of the most sought after commercial mediators in Belgium. He assists Belgian and especially foreign clients in various transactions, both as a negotiator and as a litigator. He is regularly appointed as arbitrator in international disputes. His experience as a problem solver has naturally led him to the field of ADR, and more particularly to mediation, the development of which he has pioneered in Belgium. Patrick has notably intervened in the Parliament during the discussion of the bill on mediation. Member of various Belgian and international ADR centres, his mediation practice focuses on commercial disputes and shareholder conflicts.


  • Shareholders’ agreements
  • Corporate structures and venture capital
  • Agency and distribution agreements
  • Contracts
  • Arbitration and mediation


  • Member of the Brussels and New York Bars
  • Visiting Professor at EDHEC (Lille)
  • Distinguished Member of the International Academy of Mediators (of which he is the only Belgian member)
  • Member of AIGLI (Associazione Internazionale dei Giuristi di Lingua Italiana)
  • Member of the Board of CEPANI
  • Editorial Board of TMD Nederlands-Vlaams Tijdschrift voor Mediation en conflictmanagement
  • Former deputy judge at the Brussels Court of Appeal
  • Former member of the Council of the Brussels Bar


  • Law Degree, VUB (1978)
  • LL.M. in Comparative Law, University of Miami, USA (1979)



  • « Conseiller, concilier, plaider – Le devoir « oublié » remis à l’honneur », in Le Pli Juridique, 2019/3, p. 56
  • « La médiation et la conciliation dans la gestion des relations individuelles du travail », with O. Moreno, in  La gestion des relations sociales, collective book, Wolters-Kluwer, 2019
  • « De plaats van alternatieve geschillenregeling in het WVV », in L’arbitrage et les sociétés, Proceedings of the CEPANI conference of 14 Nov. 2019, Wolters-Kluwer, 2019, p. 71
  • «  La loi du 18 juin 2018: l’appel à la médiation ou le Waterloo de la médiation volontaire? »,  in Journal des tribunaux, 2018, p. 877
  • “Enforceability of mediation clauses in Belgium and the Netherlands”, with E. van Beukering-Rosmuller, in T.M.D., 2017(21)/3, p. 37
  • « La médiation interentreprises en Belgique », in Lettre des Médiations, No 4 (Nov. 2017), p. 8
  • “Mediation en advocatuur: compatible of bedreiging?”, in Today’s Lawyer, May 2017, p. 15
  • “Rechters en mediation in België: eindelijk een sterke push ?”, in T.M.D., 2016(20), p. 23
  • « Réflexions sur le rôle du juge dans l’envoi en médiation », in Journal des tribunaux, 2016, p. 202
  • « Médiation facilitative ou évaluative : devons-nous changer de point de vue ? », in Journal des tribunaux , 2014, p. 609