Joanna Kornaszewska > Dentons > Warsaw, Poland > Lawyer Profile


Work Department

Criminal Litigation and Internal Investigation


Joanna Kornaszewska is a senior associate in Dentons’ Warsaw office and a member of Criminal Litigation and Internal Investigation practice team. She specializes in criminal law, in particular in the area of white collar crime, having represented both companies and individuals in a broad array of cases involving fraud, asset stripping, bribery, public procurement irregularities, criminal fiscal proceedings and many others. She also has unique experience coordinating multi-prong disputes, in which she represents companies in parallel civil and criminal proceedings.

Joanna also has vast experience in coordinating internal investigations including both routine compliance audits and crisis response to specific allegations, including project structuring, electronic evidence reviews, personnel interviews and formulating post-review recommendations. As part of the internal investigation practice, she has assisted in a number of multinational proceedings under the US Foreign Corrupt Practices Act, as well as domestic compliance investigations, in particular in the healthcare, pharmaceutical, automotive and real estate industries.


With Dentons since 2012


Polish, English


Admitted to the Polish bar (2017)


University of Warsaw, 2013, Master of Laws, Faculty of Law and Administration
University of Warsaw, 2012, Center for American Law Studies in association with the University of Florida

Lawyer Rankings

Poland > White-collar crime

The criminal litigation and internal investigations team at Dentons handles the spectrum of business-related criminal proceedings, including in relation to cybercrime, fraud and corruption The group also has extensive knowledge in anti-money laundering issues. As well as its contentious practice, the team is strong for compliance issues, where counsel Marcin Świderski takes the lead. Senior associate Joanna Kornaszewska is noted for her criminal defence work, as well as her pro bono practice focusing on freedom of expression and anti-hate speech issues. The group sits within the litigation department and is coordinated by Anna Maria Pukszto.