Candidature in law,ULB 1974 (Belgium University); Completed the 1st year of the candidature in Economic Sciences, VUB 1975 (Belgium University); License in law, VUB 1978; Master of Comparative Law, University of Miami, FL 1979.

Member of the Brussels, Belgium, Bar since 1979; Member of the New York, NY Bar since 1997.

In addition to a vast experience in litigation before the Belgian Court, Patrick Van Leynseele has been involved, as leading or as co-counsel, in numerous international arbitration matters under the auspices of the ICC, Cepani (Brussels arbitration institute), AAA (American Arbitration Association), or ad hoc arbitrations; He frequently acts as either chairman or party-appointed arbitrator in arbitration panels; Accepted on the (revised 1997 and 2002) American Arbitration Association panel of Neutrals; Appointed in a Ministerial Decree of 21/06/2004 as expert arbitrator in cases relating to the energy sector in the Wallon Region; Listed in "European Legal Experts" (2005 ed.) (Compilation of lawyers' opinions on fellow professionals); Member of the CPR Institute in New York and its European Advisory Council.

Partner of Dal & Veldekens; Deputy Justice in the Court of Appeals of Brussels since 1998.

"Pour un modèle belge de la procédure de discovery", Journal des Tribunaux 1997, 225-232 (with Marc Dal) (article on the use of US discovery-type procedures in Belgian procedural law); "Current developments in EU telecommunications law" (World Telecom Law Report) 1997, (with Thomas Janssens); Coordinator and writer of a series of articles on mediation and other ADR techniques published in the Journal des Tribunaux 1999, 233 e.s. (with Florence Van de Putte); "Enseignements de l'expérience québécoise en matière de médiation civile et commerciale", Liège 2000; "Bemiddeling in België: het BBMC": article in Dutch relating to mediation in Belgium, with the BBMC as specific example, published in a collective book "Mediatie in handelsgeschillen" (Acco 2000); "Introduction au processus en matière civile et commerciale" (with Florence Van de Putte), published in a collective book "La médiation civile et commerciale" (La Charte 2000); "Mediace jako Doplnek (Ci alternative ?) Soudniho Procesu" (with Florence Van de Putte and Dr. Jur. Martina Dolezalova): introduction to mediation, published in Czech in Bulletin Advokacie, 2002, 8, p. 30-45; "La médiation, qu'est-ce?", Orientations août-septembre 2003, 3; "La médiation dans le code judiciaire" (with Florence Van de Putte), J.T. 2005, 297; "La structure de la loi du 21 février 2005 sur la médiation", in "La nouvelle loi sur la médiation", reports of the conference of CEPANI of 21/04/2005, Bruylant 2005, p. 19-4.

French, Dutch, English, Italian, Spanish, German.