Born in 1965 in Liège, Belgium, Jean-Louis Dupont is a lawyer specialized in European law.

He was part of the legal team that led the Bosman ruling

Bosman ruling

Union Royale Belge des Sociétés de Football Association ASBL v Jean-Marc Bosman is a 1995 European Court of Justice decision concerning freedom of movement for workers, freedom of association, and direct effect of article 39 of the EC Treaty...

 (CJEU, 15 December 1995), which forced FIFA

FIFA

The Fédération Internationale de Football Association , commonly known by the acronym FIFA , is the international governing body of :association football, futsal and beach football. Its headquarters are located in Zurich, Switzerland, and its president is Sepp Blatter, who is in his fourth...

 and UEFA

UEFA

The Union of European Football Associations , almost always referred to by its acronym UEFA is the administrative and controlling body for European association football, futsal and beach soccer....

 to end the transfer system and the nationality quota within the EU.

He defends various persons and entities in the world of professional sport, especially in lawsuits related to European Law which oppose clubs or sportspeople and international federations.

Among others, Jean-Louis Dupont has represented and defended the interests of the following persons and organisations:

- David Meca

David Meca

David Meca Medina is a long distance swimmer from Spain, who has swum from mainland Spain to Ibiza among his exploits. He won gold at the 2005 FINA World Championships in Montreal for the men's open water 25 km.Meca took silver in the 5 km event at the 2000 World Championships in Hawaii...

-Medina and Igor Majcen

Igor Majcen

Igor Majcen is a retired male freestyle swimmer from Slovenia. He is a three-time Olympian, making his debut in 1988 for FR Yugoslavia....

, in the matter which led to the Meca-Medina ruling (CJEU, 18 July 2006) which establishes the primacy of European law over all regulations and decisions of the sports federations having an impact on the economical activity of any person in the sports world.

- The G-14

G-14

The G-14 was an organisation of European football clubs that existed between 2000 and 2008. It consisted of 14 teams initially, later expanded to 18...

 (the association made up of 18 top European football teams), conducting, among others, the “Charleroi case” which concluded in an agreement between FIFA and UEFA, whereby clubs receive compensation when players are provided for national teams and a co-decision power with regards to the financial and sport format of the UEFA Champions League and the European League.

- Yanina Wickmayer

Yanina Wickmayer

Yanina Wickmayer is a Belgian professional tennis player who is currently ranked world no. 22 and is the second-highest ranked female Belgian tennis player. She reached her career-high ranking of world no. 12 on 19 April 2010...

 and Xavier Malisse

Xavier Malisse

Xavier Malisse is a Belgian tennis player. Born in Kortrijk, Belgium, he is the only men's player from his country to have been ranked in the top 20 of the ATP tour. He is sponsored by Prince and Lotto. His nickname is "The X-Man"....

, as well as FC Sion

FC Sion

FC Sion is a Swiss football team from the city of Sion. The club was founded in 1909, and play their home games at the Stade Tourbillon. They have won the Swiss Super League twice, and the Swiss Cup in each of their twelve appearances in the final, the most recent being in 2011.The first team also...

, in some matters that open the debate of clubs and sportspeople having the right to turn to ordinary jurisdiction instead of having the obligation to turn exclusively to the Court of Arbitration for Sport

Court of Arbitration for Sport

The Court of Arbitration for Sport is an international arbitration body set up to settle disputes related to sport. Its headquarters are in Lausanne and its courts are located in New York, Sydney and Lausanne, Switzerland...

(CAS).

- Numerous clubs and sportspeople, including Real Madrid (and some of their players including Zidane, Raul and Beckham), Juventus, FC Porto, PSV Eindhoven, Liverpool, Olympique de Marseille, Olympique Lyonnais, Galatasaray, Fenerbahce, Standard de Liège, Gica Hagi, Philippe Mexes, Oguchy Onyewu, Sergi Conceicao, José Mourinho, Michel Preud’Homme, Eric Gerets, various professional cycling teams, Tom Boonen, Lance Amstrong, Alberto Contador, etc.

Between 1990 and 1998 he also worked for the European Commission in the establishment and the development of the cooperation between the EU and Cuba.

Jean-Louis Dupont is currently partner at Roca Junyent law firm (Barcelona-Madrid), in charge of the sports law department.