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Marcin Trepka

Fax +48.22.653.4250
Marcin Trepka is a member of the global Antitrust, Competition and Trade Regulation practice at K&L Gates. He spearheads the competition team in Warsaw.

He specializes in Polish and EU competition law including restrictive agreements, abuse of dominant market position by large network companies, merger control and state aid. He represents clients before the competition authorities as well as courts of law.  He also has unique experience in preparing and implementing compliance programs in businesses operating in the financial, pharmaceutical and energy sectors.

Additionally, Marcin Trepka has served as the Vice-President of the International Chamber of Commerce (ICC) Antitrust Commission in Poland since 2013. 


  • Recognized in Legal 500 (2014) in Competition/Antitrust Law (Tier 3)
  • Recognized in Chambers Europe - Europe's Leading Lawyers for Business (2013) for energy and natural resources in Poland. The rank confirmed he "enjoys a growing reputation in the field of wind energy" and receives "extensive praise from clients".

Professional/Civic Activities

  • Vice-President of the International Chambers of Commerce (ICC) Antitrust Commission in Poland, 2013 - current
  • Visiting - Lecturer of energy law at Warsaw University of Life Sciences, Faculty of Production Engineering, Renewable Energy Technologies, spoke on "Reasons for legal disputes between investors and energy enterprises interconnection of RES", 2012-2013

Speaking Engagements

  • How to prepare for a dawn raid of an Antitrust Authority and the Financial Supervision Authority” workshops carried out within the “Operating & Compliance Risk project, Warsaw April 10-11, 2014”.
  • How to deal with a regulatory overload. Compliance in practice”, workshops on building a robust antitrust compliance programme in a financial institution, 5th Congress of the Association of Stock Exchange Issuers, Jachranka, March 4-5, 2014.
  • Development and implementation of antitrust compliance policy in financial institutions”, workshops for representatives of banks and insurers, Warsaw, February 10-11, 2014.
  • Antitrust dawn raid in your company”, training for managers and members of security and compliance departments within symposium: “Discovery of abuses and risk identification in a company”, Warsaw, May 21-23, 2013.
Antitrust & Trade Regulation
  • Advised a leading insurance institution in Poland in preparation and implementation of complex competition compliance program.
  • Advised French capital group in the merger clearance proceeding and obtaining unconditional competition authority’s approval on acquisition business from facility management sector in Poland.
  • Advised leading Scandinavian financial institution on competition issues connected with selling its assets in Poland, including in merger clearance proceeding on obtaining competition authority’s approval on acquisition its assets by the buyer.
  • Advised a leading producer of construction chemicals for the mining industry in a precedent antitrust case alleging bid rigging.
  • Advised the Polish Wind Energy Association on compliance of Polish support scheme of green certificates for renewable energy sources with EU State Aid regulations, including whether this scheme is a State Aid and should be noticed to the European Commission.
  • Preparation and implementation from scratch of an innovative compliance policies as well as providing a professional training program in this regard for major companies operating on the Polish pharmaceutical market.
  • Advised a leading Polish cement producer in the biggest cartel case in antitrust law in Poland.
  • Advised a major bicycle and sports equipment distributor in Poland in antimonopoly proceedings alleging price-fixing.
  • Advised a leading investor in renewable energy in litigation against a major electricity grid operator in Poland regarding abuse of dominant position by imposing burdensome contractual conditions and preventing competition on the relevant market.
  • Advised young Polish fashion brands from the Apparel & Footwear sector in matters related to private enforcement of competition law, unlawful competition issues, preventing unfair market practices as well as creation of pricing policies.
  • Advised the Polish Wind Energy Association in preparation of comments and proposals in the legislative process for new laws (Law on Renewable Energy Sources) in relation to the impact of the laws on competition on the energy market.
  • Advised power trading companies on matters related to applying pricing policies in compliance of the applied policy with competition law as well as on abuse of dominant market position and agreements infringing competition law.
  • Advised a multinational consortium in connection with tender proceedings related to the development of the second metro line in the city of Warsaw.
  •  Advising PGE Polska Grupa Energetyczna S.A. on the hitherto largest transaction of acquiring a portfolio of operating wind farms in Poland of a total capacity of 140 MW.
  • Advised foreign and domestic investors in connection with offshore wind power plant projects in Poland of a total capacity exceeding 2000 MW, including obtaining offshore permits under the new Maritime Areas Act and during a competitive procedure.
  • Advised a coal mine in negotiations on a long-term coal supply agreement of approx. EUR 2.5 billion.
  • Successfully represented power trading and power generating companies in litigations before the Court of Competition and Consumer Protection in cases regarding the imposition of a fine for failing to purchase electricity from renewable energy sources ("green certificates") as well as from CHP ("red certificates").
  • Advised a leading European power company on developing a green field Combined Cycle Natural Gas Power Plant project of a total capacity of 1000 MW in Poland.
  • Advised investors in disputes before the President of the Energy Regulatory Authority concerning tariffs, wind farm grid interconnection as well as concerning the obligation of power generating utilities to maintain fuel reserves.