Maciej Antoniak > DWF Poland Jamka Sp.k > Warsaw, Poland > Lawyer Profile

DWF Poland Jamka Sp.k
WARSAW, 00-066

Work Department

Dispute Resolution and Arbitration Department


Local Partner, Head of White Collar Crime at DWF Poland


Maciej Antoniak is an advocate and member of the Litigation Department at DWF Poland, as well as head of the White Collar Crime Team and member of the Compliance Department at DWF Poland.

Maciej has extensive expertise in international and domestic infrastructure projects and disputes. He has acted for contractors, employers, designers and consultants on many high-profile projects, including strategic infrastructure. He has extensive experience in management of claims, negotiating contracts and advising with respect to their performance or termination.

Moreover, Maciej advises companies in criminal compliance area and proceedings related to business crimes. His experience and practice include in particular advising companies and organizations on the preparation of internal regulations, rules of procedure and compliance procedures. He also specialises in developing strategies in the field of enterprise management in crisis situations.

He represents managers and the members company bodies’ in all levels of criminal proceedings, acting both as a counsel as well as representative of subsidiary prosecutors.

Maciej conducts lectures in criminal law and economic compliance at the Warsaw School of Economics.


Polish, English, French, Italian


Advocate – The Warsaw Bar Association


University of Warsaw – Master of Laws
Jagiellonian University in Cracow – Postgraduate, ICC Arbitration and ADR Training Programme
Polish Academy of Sciences – Ph.D., Law, Civil Procedure
Jagiellonian University in Cracow – Postgraduate, Business Criminal Law
SGH Warsaw School of Economics – Postgraduate, Commercial Companies Law and Management

Lawyer Rankings

Poland > Construction

The practice at DWF Poland Jamka Sp.k handles the entire life cycle of construction projects, including road and rail, energy investments, offices, shopping centres, hotels and resorts, mixed-use and residential developments and warehouses,  as well as related disputes. The team also has expertise in investor and governmental requirements regarding design and construction processes, liability, warranty and regulatory requirements. Litigation experts Maciej JamkaRafał Morek and Maciej Antoniak  and transactions specialist Joanna Wojnarowska are the practice heads. Piotr Kunicki  is also a key player who is strong in public procurement.

Poland > Dispute resolution

DWF Poland Jamka Sp.k is mainly focused on international proceedings and international law-related issues, with experience in arbitrations across a wide variety of European venues and EU litigation including before the European Court of Human Rights. The arbitration offering is particularly well developed, comprising expertise in investment, commercial and sports cases. On the litigation side, lawyers excel in construction, public procurement and IP matters. Maciej Jamka has experience of bilateral investment treaty arbitration and jointly heads the department with fellow arbitration specialist Rafał Morek. Piotr Kunicki is an expert in public procurement litigation; and Maciej Antoniak is the firm’s white-collar criminal defence specialist.

Poland > White-collar crime

The white-collar and criminal compliance team at DWF Poland Jamka Sp.k is led by Maciej Antoniak, who is supported by senior associates Lukasz Gembis and Michał Szumbarsi. The group advises clients from the mining, construction, telecommunications, aviation and entertainment industries on crisis management and internal investigations, as well as representing companies acting as injured parties in criminal proceedings, implementing anti-corruption rules, and acting as defence counsel.