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Anna Cudna-Wagner
Partner

Anna Cudna-Wagner

Head of Dispute Resolution, Poland

Languages
  • Polish
  • English
Social media

Anna has many years of experience in representing business clients in civil and commercial disputes before the common courts, the Supreme Court, arbitration tribunals and the Court of Justice of the European Union.

She specialises primarily in disputes relating to the banking sector and competition law. Anna has represented entrepreneurs from the banking sector in class action proceedings, in disputes regarding forward transactions (including currency options, CIRS, IRS) and in numerous proceedings related to credit products (both corporate and retail).

In competition law disputes, Anna represents entrepreneurs in private enforcement proceedings regarding compensation for violations of competition law, in court proceedings against the decisions of the President of the Office of Competition and Consumer Protection and in proceedings before the President of the Office of Competition and Consumer Protection.

Anna's experience also includes representing entrepreneurs in interim proceedings, both on the part of the entity applying for interim measures and on the defending side.

Anna also represents clients in proceedings before the Court of Justice of the European Union, including preliminary rulings.

The international rankings Chambers and Partners and The Legal 500 recommend Anna in the area of dispute resolution.

Awards & Recognitions
01
  • Quote
    Anna Cudna-Wagner has the knowledge to provide effective consultancy in a dynamically changing and uncertain legal environment.
    Chambers, 2022

Relevant experience

  • Banks in preliminary proceedings before the Court of Justice of the European Union;
  • mBank in disputes regarding forward transactions;
  • mBank and Bank Millennium in private enforcement disputes for damages for alleged violation of competition law;
  • mBank and PKO BP in class action proceedings;
  • Banks and entrepreneurs from other sectors (e.g. telecommunications) in proceedings before the President of UOKiK and in appeal proceedings against decisions of the President of UOKiK.

Memberships & Roles

  • 2005, District Chamber of Legal Advisers in Warsaw
  • 2021, Member of the Business Council at the Management Faculty, University of Warsaw
  • 2016, arbitrator entered in the list of arbitrators of the Court of Arbitration at Lewiatan Confederation
  • 2022, arbitrator entered in the list of arbitrators of the Court of Arbitration at Polish Bank Association

Lectures list

  • Lecturer in civil procedure law at the Chamber of Legal Advisers in Warsaw since 2009

Education

  • University of Warsaw, Faculty of Law and Administration, Master’s Degree.
  • University of Warsaw & Cambridge University, British Centre for English and European Law.
Practice Areas

Insights by Anna

Green claims in focus

16 Apr 2026

CMS European Class Action Report 2025

29 Jul 2025 2 min read

CMS International Disputes Digest – 2024 Summer Edition

23 Jul 2024 2 min read

CMS Class Actions video series

15 Apr 2024 1 min read
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