Dr Marek Jezewski > Kochanski & Partners > Warsaw, Poland > Lawyer Profile

Kochanski & Partners
00-078 WARSAW

Work Department

Dispute Resolution Practice


Partner, Head of Dispute Resolution Practice


Marek specializes in international arbitration, particularly investment arbitration and international commercial arbitration. He is a member of the Arbitration Committee at the Court of Arbitration at the Polish Confederation of Private Employers Lewiatan for 2014-2017.

Marek gives lectures on International Economic Law, International Investment Law and EU Economic Law at domestic and foreign universities. He is the author of the leading Polish monograph on International Investment Law (Międzynarodowe Prawo Inwestycyjne). Marek is also the author of numerous publications, published both in Poland and abroad. For several years he represented Poland in the work of the United Nations Commission on International Trade Law (UNCITRAL) participating in works inter alia on the rules of transparency in international investment arbitration.

Marek represents clients in investment arbitration disputes under different sets of rules, including ICSID, UNCITRAL, SCC, ICC and others. He also has an ever growing reputation as an arbitrator.


Polish, English


The Toruń Bar of Advocates. The Society of International Economic Law, The International Law Association, The Chartered Institute of Arbitrators


Nicolas Copernicus University in Toruń (Master of Law, 2002), University of Cardinal Stefan Wyszyński in Warsaw (PhD, 2008)

Lawyer Rankings

Poland > Dispute resolution

(Leading individuals)

Marek JeżewskiKochanski & Partners

Kochanski & Partners has an impressively varied disputes practice, with specialists in commercial, financial and media disputes, civil litigation and international arbitration. Marek Jezewski  leads the international disputes group, with a solid background in public international law, and experience representing Polish SOEs in international arbitration. Michal König  heads the commercial arbitration and litigation team, often working alongside Jeżewski in infrastructure cases. Mateusz Ostrowski  leads the civil litigation group, while Agnieszka Chajewska  is the name for media litigation, often representing journalists and public figures in high-profile Polish freedom of speech cases. Andrzej Pałys  is another key member of the team with, focusing on financial institutions and disputes.