
The scope of Baker McKenzie Krzyzowski i Wspólnicy Sp.k.‘s practice includes cartel investigations, dawn raids and antitrust compliance advisory. The team also excels in competition and consumer litigation, from the initial investigations through to final judgment. Marcin Trepka heads the team, while Martyna Wurm has recently been promoted to counsel. Former team co-head Mikolaj Piaskowski departed the firm.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Marcin Trepka is an experienced and skilled lawyer. He is extremely responsive and inspires confidence, particularly when discussing potentially sensitive issues with management. He is also very well connected to regulators and the rest of Warsaw's competition practitioners.
- Baker McKenzie's competition practice has a strong focus on assisting clients with regulatory investigations, particularly in the context of Dawn Raids.
- ‘Strong team with wide portfolio of clients and matters.’
- ‘I have been working with Marcin Trepka for many years, in various scenarios, his expertise and dedication have always been invaluable for our joint work.'
- ‘One of the most experienced teams of consumer law.’
- ‘We have worked closely with Baker McKenzie Krzyżowski i Wspólnicy sp.k's Competition/Antitrust team, and their depth of expertise, responsiveness, and commercial acumen consistently stand out.'
Key clients
- MINOVA Ekochem SA
- MERIDA Polska sp. z o.o.
- TERG S.A.
- KIA Polska
- Eltrox sp. z o.o. (formerly E-commerce Partners sp. z o.o.) and the CEO
- TEMU (Whaleco inc.)
- Garmin Poland sp. z o.o.
- Vinted UAB
- PayPal Inc.
- The Walt Disney Company (Benelux) BV
- SHELL Polska sp. z o.o.
- Canal+ Polska S.A.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Practice head
Marcin Trepka
Other key lawyers
Martyna Wurm
