Mr Marcin Trepka > Baker McKenzie Krzyzowski i Wspólnicy Sp.k. > Warsaw, Poland > Lawyer Profile
Baker McKenzie Krzyzowski i Wspólnicy Sp.k. Offices

Varso Tower
ul. Chmielna 69
Warsaw 00-801
Poland
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Mr Marcin Trepka

Position
Marcin Trepka is a partner and co-leader in Warsaw office’s Antitrust & Competition practice. He specializes in Polish and EU competition law as well as consumer law. He regularly represents clients before the competition authorities, Polish and EU courts of law and the Polish Supreme Court.
In addition, Marcin is active in the development of international competition law policy. He serves as the Co-Chairman of the Cartels&Leniency Task Force of the ICC Commission on Competition in Paris. He also serves as the Non-Governmental Advisor to the International Competition Network.
Languages
English, Polish
Memberships
- Warsaw Bar Association – Member
- ICC Commission on Competition in Paris – Co-Chairman of the global Cartels&Leniency Task Force
- ICC Commission on Competition in Poland – Vice-president
Education
- Polish Academy of Science (Post Graduate Diploma in Competition Law) (2012)
- Lazarski University in Warsaw (Master of Arts) (2009)
Lawyer Rankings
Poland > Competition/antitrust
(Hall of Fame)Deemed a ‘go-to competition team’, Baker McKenzie Krzyzowski i Wspólnicy Sp.k. is particularly well-regarded for full-service contentious work, assisting clients from the initial cartel investigations and dawn raids, down to competition and consumer litigation. The team is well-equipped to provide advice on antitrust compliance, merger clearance and EU grants expertise . The expansive team is jointly led by Marcin Trepka, who specialises in Polish and EU competition law, regularly representing clients in both domestic and EU courts, and Mikołaj Piaskowski, who also displays competency representing clients in proceedings, however, specialising in merger control. Elżbieta Buczkowska departed the firm in December 2024.
Lawyer Rankings
Top Tier Firm Rankings
- Capital markets
- Competition/antitrust
- Dispute resolution
- Intellectual property
- Investment funds
- Tax
- TMT