• Catholic University of Leuven, J.D.
  • Catholic University of Leuven, Ph.D


  • Belgium and before the European Court


  • Dutch (Fluent)
  • English (Fluent)
  • French (Fluent)

Jules Stuyck

Senior Counsel

Jules Stuyck is a senior counsel in Crowell & Moring's Brussels office and is a member of the firm’s Antitrust & Competition and Product Risk Management groups. Jules is an experienced litigator, focusing on European competition law, intellectual property, and market practices. He counsels clients on state aid, the customs union, free movement, public procurement, trademark and trade practices law, media law, and environmental law.

Jules is a leading authority on Belgian and European antitrust/competition law, offering more than three decades of experience as a practitioner, government adviser, and law professor. He has advised on European sales law and has on several occasions been invited by the European Parliament’s Committee on Internal Market and Consumer Protection to offer his perspective on unfair trading practices, consumer law, sales law, and internal market issues.

Legal Rankings

  • Personally ranked in Chambers Europe for Competition law.
    • “a well-respected figure” with a “long-standing presence in the Belgian competition sphere” and a “broad experience of aspects across competition and trade law” (2020)
    • “a brilliant lawyer” and a “delightful person” (2019)
    • “Clients appreciate that his ‘very proactive, good knowledge of our business produces very accurate advice’” (2018)
    • “very thorough, easy to work with and adapts well to changes in a litigation. His first-class strategic legal thinking is also an extremely precious asset.” (2017)
  • Recommended in Legal 500 EMEA for Belgian and EU and Global Competion. 
    • “has over three decades of experience in the competition arena as a competition practitioner, government adviser and law professor.” (2020)


Jules graduated in law from the Catholic University Leuven, where he also obtained his Ph.D on "Aggressive Sales Methods" (a comparative study of the law of the original 6 Member States of the European Community) in 1975.

Speaking Engagements

Jules is regularly invited as a speaker by the Belgian bar association, and by professional and governmental organizations, and universities both in Belgium and abroad.


Jules is a leading academic in Belgian and EU competition and consumer law. He has many major publications to his name. For more details see Highlights, News & Knowledge.


Professional Activities and Memberships

Jules is an emeritus professor of top European universities: KU Leuven (Catholic University Leuven) (BE) and Raboud Universiteit Nijmegen (NL). He is a guest professor at Université Panthéon-Assas Paris 2 (FR), and former guest professor at Central European University Budapest (HU). He is chair of the SELDIA (the direct selling association) Code Administrator.

Representative Matters

  • Jules represented the Belgian authorities in the first important follow-on claim for damages against members of a cartel (that had previously been condemned by a Decision of the European Commission).
  • Jules acted recently for an important operator of the sharing economy against incumbents that tried to hinder the activity with an action for unfair competition in Belgian courts.
  • He represented a Belgian airline in a state aid case  triggered in a Belgian court by a competitor.
  • He assisted several European agencies before the General Court of the EU in cases regarding public procurement.


Speeches & Presentations

  • "Comment lutter contre les pratiques commerciales déloyales entre entreprises?" LIDC 2019 International Congress on Innovation and Modernization of Competition and IP Law, Paris, France (November 7-10, 2019). Panel Member: Jules Stuyck.
  • "Implicaties van de richtlijn voor het Belgische recht," Nieuw Economisch Recht in B2B Relaties, KU Leuven et Intersentia, Leuven and Kortrijk, Belgium (October 17 and November 14, 2019). Speaker: Jules Stuyck.
  • 13th Annual Conference in Brussels of the Global Competition Law Centre of the College of Europe (Bruges), (January 25-26, 2018). Speaker: Jules Stuyck.
  • "A Presentation on European Law for a Committee of the Flemish Parliament on a Proposal for a Law Concerning the Use of Languages in Labor Relations," (July 13, 2017). Presenter: Jules Stuyck.


  • "Commercial and Economic Law in the European Union," 2nd ed., Kluwer Law International, Alphen a/d Rijn, p 268 (2019). Author: Jules Stuyck.
  • "Belgium," The Fathers and Mothers of Consumer Law and Policy. The Foundational Years 1950-1980, H.-W. Micklitz – E. Hondius – T. van Mierlo – T. Roethe (eds), European University Institute, pp 83-97 (2019). Author: Jules Stuyck.
  • "Handelspraktijken en contracten met consumenten," 5e efd., Kluwer, Mechelen, XXIX + 684 p (2019). Co-author (with B. Keirsbilck) Jules Stuyck.
  • "Le droit belge et l’influence du droit français," Dossier : Les pratiques commerciales à l’heure européene, Revue Lamy de la concurrentce, N° 80, pp 27-30 (February 2019). Author: Jules Stuyck.
  • "De nieuwe Belgische wet met betrekking tot misbruik van economische afhankelijkheid, onrechtmatige bedingen en oneerlijke marktpraktijken tussen ondernemingen: een eerste commentaar," SEW-Tijdschrift voor Europees en Economisch Recht, nr. 9 (2019). Co-author (with B. Kiersbilck): Jules Stuyck.
  • "L’arrêt de la Cour de Justice dans l’affaire Europamur, en matière de vente à perte, confirme son ordonnance dans l’affaire Euronics Belgium," Droit de la Consommation-Consumentenrecht, nr. 2, p. 78-88 (2018). Author: Jules Stuyck.
  • "L'Incidence du droit de l’union européenne sur les réglementations nationales régissant les ventes a perte," Journal de Droit européen, p. 254-259 (2018). Author: Jules Stuyck.
  • "De Belgische wet houdende hervorming van het ondernemingsrecht: een decisieve stap in de modernisering van het economisch recht," SEW-Tijdschrift voor Europees en Economisch Recht, nr. 9 (2018). Author: Jules Stuyck.
  • "De begrafenis van de koopman; enkele inleidende beschouwingen over de nieuwe wet tot hervorming van het ondernemingsrecht," Tijdschrift voor Belgisch Handelsrecht, 315-326 (2018). Author: Jules Stuyck.
  • "Economic Law European Union," monograph International Encyclopedia of Law, Kluwer, 256 p. (2017). Co-Author (with E. Vannieuwenhuyze and P. Sabbadini): Jules Stuyck.
  • "The Role of Preliminary References in the Uniform Application of EU Competition Law," The Consistent Application of EU Competition Law, Substantive and Procedural Challenges, A. Almășan & P. Whelan ‘(eds.), Springer (2017). Author: Jules Stuyck.
  • "The Unfair Commercial Practices Directive: Full Harmonisation, Scope and Key Notions," Marketing and Advertising Law in a Process of Harmonisation, Vol. 70, pp. 65-84 (2017). Author: Jules Stuyck.
  • "Latest State Aid Enforcement Developments in the Domestic Ambit," n A. Looijestijn-Clearie – C. Rusu – M. Veenbrink, Boosting the Enforcement of EU Competition Law at the Domestic Level, Cambridge Scholars Publishing, Newcastle upon Tyne, 90-108 (2017). Co-Author (with P. Sabbadini): Jules Stuyck.
  • "The Court of Justice and the Unfair Commercial Practices Directive," CML Rev. 52, 721-752 (2015). Author: Jules Stuyck.
  • "Divergence and Convergence in the Case Law of the Court of Justice of the EU on Import and Export Restrictions," Privat- und Wirtschaftsrecht in Europa. Festschrift für Wulf-Henning Roth zum 70. Geburtstag, München, Beck, 625-638 (2015). Author: Jules Stuyck.
  • "Handelspraktijken (Trade Practices Law Handbook)" 4th ed., in Beginselen van Belgisch Privaatrecht, Mechelen, Kluwer, XXVI + 586 p. (2015). Author: Jules Stuyck.
  • "Consumer Concepts in EU Secondary Law," in Fabian Klinck & Karl Riesenhuber (eds), Verbraucherleitbilder, Berlin, De Gruyter, 115-135 (2015). Author: Jules Stuyck.
  • "Neuere Entwicklungen im belgischen Lauterkeitsrecht," GRURInt, 899-904 (2015). Author: Jules Stuyck.
  • "Commercial Practices," second revised edition, Larcier, Brussels, XVI + 371 p (2015). Editor (with Gert Straetmans) and Co-Author: Jules Stuyck.
  • "Politique européenne de la consommation," JurisClasseur Europe Traité, 1/2013, 3rd ed. (2013). Author: Jules Stuyck.
  • "The Transformation of Consumer Law in the EU in the Last 20 Years," Maastricht Journal of European and Comparative Law, Volume 20, Number 3, 385-402 (2013). Author: Jules Stuyck.

Client Alerts & Newsletters

Press Coverage

Firm News & Announcements

April 27, 2020 Legal 500 EMEA Recommends Crowell & Moring in 11 Practice Areas and Recognizes 13 Lawyers
April 9, 2020 Chambers Ranks Seven Lawyers and Four Practice Groups in 2020 Europe Guide
April 16, 2019 Legal 500 EMEA Recommends Crowell & Moring in 11 Practice Areas and Recognizes 14 Lawyers
March 21, 2019 Chambers Ranks 7 Crowell & Moring Lawyers and 6 Practice Groups in 2019 Europe Edition
April 25, 2018 Legal 500 Europe, Middle East & Africa Recommends Crowell & Moring in 11 Practice Areas and Recognizes Three Individuals
March 13, 2018 Chambers Ranks Six Lawyers and Six Practice Groups Among Best in 2018 Europe Guide
September 6, 2017 Leading Antitrust and Advertising Lawyer Jules Stuyck Joins Crowell & Moring’s Brussels Office