Marcin Ciemiński specialises in disputes before state courts and arbitral tribunals, including commercial disputes, public procurement, intellectual property, damages and healthcare cases.
Marcin is also responsible for handling matters concerning white-collar crime, criminal investigations, compliance and crisis management. He advises healthcare and life sciences clients on regulatory issues. As an assistant professor, he lectures in commercial law at the Warsaw University.
Contact details
- Clifford Chance, Warsaw
- +48224299515
- Email me
- Speaks Polish, English and German
- Practice area Intellectual property, Regulatory enforcement & white collar, Litigation, dispute resolution & risk management
- Sector Consumer goods & retail, Healthcare, life sciences & chemicals
Career & qualifications
-
British Centre for English and European Legal Studies, Warsaw University – Cambridge University 1999
- University of Regensburg (Germany), Socrates-Erasmus scholarship, Faculty of Law 2000
- Warsaw University, Faculty of Law and Administration 2002
- Joined Clifford Chance 2002
- Admitted as an advocate (adwokat) in Poland 2005
- Warsaw University, Faculty of Law and Administration – PhD 2012
- Partner since 2012
Professional bodies
- Member of the Warsaw Bar Association (ORA w Warszawie)
Awards and citations
- "Marcin Ciemiński is a very good litigator."
Chambers Europe 2026, Litigation: Elite – Poland - "Marcin Ciemiński is a true problem solver."
Chambers Europe 2026, Litigation: Elite – Poland - "Marcin Ciemiński acts on a range of litigations, including commercial cases, mass litigations and damages claims. His client base consists of banking clients, financial institutions and strategic investors."
Chambers Europe 2026, Litigation: Elite – Poland - "Marcin Ciemiński is a great lawyer with high level of conversational skills, great strategist and planner, as well as being highly likable."
Chambers Europe 2026, White-Collar Crime & Corporate Investigations – Poland - "Marcin Ciemiński is a highly regarded, top-tier lawyer who provides excellent services."
Chambers Europe 2026, White-Collar Crime & Corporate Investigations – Poland - "Marcin Ciemiński advises clients on allegations of money laundering and bribery. He is also noted for his expertise in bid rigging investigations and distribution fraud cases."
Chambers Europe 2026, White-Collar Crime & Corporate Investigations – Poland - "Marcin Ciemiński and Łukasz Piergies are unique in Poland, characterised by outstanding competences and deep knowledge of the law, especially its practical application in resolving court disputes."
Legal 500 EMEA 2024: Dispute Resolution – Poland