Department profile
Clifford Chance LLP

Competition/Antitrust

Europe Guide 2026 : Poland

Share profile

Clifford Chance LLP

Rankings

Chambers Review

Provided by Chambers

Competition/Antitrust - Poland

Band 1

What the Team is Known For

Clifford Chance remains one of the strongest practices in Poland for behavioural and consumer protection matters. The law firm represents clients in high-profile cartel investigations, as well as challenges to competition authority decisions and private enforcement damages actions. Its recent work also includes investigations into allegations of misleading advertising and greenwashing. The team further assists clients with merger clearance notifications. It often collaborates with the law firm's other departments on multidisciplinary matters.

View ranking table

Work Highlights

Provided by Chambers

  • Clifford Chance defended Holcim Polska in an investigation into the cement market.

Strengths

Provided by Chambers

  • The firm has very broad experience, a good understanding of antitrust issues and the ability to maintain good relations with officials.

    Competition/Antitrust respondentEurope

  • What sets Clifford Chance apart is, in particular, the comprehensive antitrust and consumer protection expertise, holistic and business-oriented approach and deep sectoral knowledge.

    Competition/Antitrust respondentEurope

  • We appreciate the strong capability and flexibility in finding solutions.

    Competition/Antitrust respondentEurope

  • The lawyers provide very analytic approach.

    Competition/Antitrust respondentEurope

  • The team is pragmatic, knowledgeable and business-oriented.

    Competition/Antitrust respondentEurope

Notable Practitioners

Provided by Chambers

  • Iwona Terlecka
    Iwona Terlecka

    Iwona Terlecka

    Iwona Terlecka moves into the top tier of the rankings on the back of her broad competition law practice that covers both behavioural and merger control mandates. She has notable experience representing clients in investigations into alleged cartels and other unfair commercial practices, as well as acting on subsequent appeals and private enforcement actions.

    • She is one of the most competent lawyers we work with.

      Competition/Antitrust respondentEurope

    • One of the most experienced competition lawyers in Poland, Iwona Terlecka is clear and coherent in strategic scenarios. She has deep knowledge and explains her view in a straightforward way. She listens carefully and is open for a dialogue.

      Competition/Antitrust respondentEurope

    • We appreciate her pro-business advice and pragmatic approach.

      Competition/Antitrust respondentEurope

    • Iwona Terlecka is the best-in-class competition lawyer with deep business knowledge.

      Competition/Antitrust respondentEurope

    • She is a top competition lawyer in Poland.

      Competition/Antitrust respondentEurope
    View profile
  • Marta Michałek-Gervais
    Marta Michałek-Gervais

    Marta Michałek-Gervais

    Marta Michałek-Gervais enters the rankings this year on the back of her work assisting clients with merger control filings. She has further experience in enforcement actions and competition compliance mandates.

    • She is really intelligent and asks good questions.

      Competition/Antitrust respondentEurope

    • We appreciate her high level of understanding and customer-oriented approach.

      Competition/Antitrust respondentEurope

    • Marta Michałek-Gervais handles complex questions with confidence and precision.

      Competition/Antitrust respondentEurope

    • She consistently demonstrates deep legal knowledge, sharp analytical skills and sound judgement.

      Competition/Antitrust respondentEurope

    • She is business-oriented and her contribution genuinely creates added value for my business.

      Competition/Antitrust respondentEurope
    View profile

Ranked Individuals at Clifford Chance LLP (2)

Poland

Clifford Chance LLP has rankings in the following guides

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership