Utrecht University

Małgorzata Kozak

Utrecht University
Assistant Professor

Małgorzata Kozak, Ph.D., is an Assistant Professor at Utrecht University, School of Law. She specializes in the European Union law and the competition law including private and public enforcement, compliance systems and vertical restraints. Małgorzata graduated from law at the University of Gdansk in Poland but also from EU law in Toulouse in France : Maîtrise in the European and International Law and DESS Juriste International obtained. She completed postgraduate studies in the European competition law at King’s College in London. Her Ph.D., secured in Toulouse, focused on the status of commercial agency agreements under the EU competition law. She has also over 8 years of experience as an advocate (radca prawny) enrolled to the Regional Bar in Gdansk and much longer experience in advising clients in competition law in Warsaw. She is also the author or co-author of several publications on antitrust regulations.

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Utrecht University
Utrecht University


563 Bulletin

Maciej Janik, Małgorzata Kozak The Polish Supreme Court examines a case of non-compliance with a decision of the Competition Authority finding an abuse of dominant position (PKP Cargo)


In the judgement of 7 March 2018 (III SK 6/17), the Polish Supreme Court (“SC”) examined the case of non-compliance with the decision of the President of the Office of Competition and Consumer Protection (“NCA”) on the abuse of a dominant position by PKP Cargo, Poland’s largest railway freight (...)

Maciej Janik, Małgorzata Kozak The Polish Supreme Court finds that a decision of the Competition Authority and the judgment of the Court of Appeal failed to establish a sufficiently precise relevant market definition to enable the finding of an abuse of dominance in the natural gas sector (PGNiG)


In the judgment of the Supreme Court (“SC”) of 10 January 2017, (III SK 61/15) concerning the alleged abuse of dominant position by PGNiG S.A. – a Polish natural gas company, the case was referred back to the Court of Appeal in Warsaw (“CA”). The SC found that neither the President of the Office of (...)

889 Review

Joanna Affre, Małgorzata Kozak Poland: Regulation on unfair contractual practices in the food retail sector – An answer to inefficient private enforcement or an example of good regulation?


The article focuses on relatively new law in Poland aimed at elimination of unfair commercial practices in relations between undertakings in the agricultural and food products supply chain, thus at protection of weaker players - farmers and small suppliers. The Act on counteracting the unfair (...)

Małgorzata Kozak Reform of the Polish competition law: Evolution or revolution?


Poland faces deep changes in competition law due to the fact of entry into force on January, 18th, 2015 of the legislative change to the Act of February 16th, 2007, on Competition and Consumers Protection. The amendment includes, among others, introduction of two-phase merger control procedure, (...)

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