Arkadiusz Matusiak

Associate Poland


Arkadiusz has an unprecedented rate of success - he has lost only one case in his entire career.

Arkadiusz is a Senior Associate in our Dispute Resolution Group, based in Warsaw

With over 15 years of professional experience, Arkadiusz specialises in criminal cases.  He represents clients before the common courts, both in civil and criminal cases, and also provides assistance during negotiations. His criminal trial experience covers dozens of cases, including fraud, IP and unfair competition criminal cases.

For many years he has supported companies on trade secrets issues, advising on effective, enforceable policies and solutions that help minimise risks and company losses. Arkadiusz also has extensive experience in protecting trade secrets in public procurement proceedings. He was involved in several cases of breach of trust and disclosure of trade secrets. In criminal and civil proceedings,  he has represented both injured parties and companies accused of stealing trade secrets and using someone else's IP in their business activity.

Arkadiusz has been engaged in some of the biggest criminal cases in recent years in Poland and successfully prosecuted the country's largest fraud case (over EUR 65 m in value). 

For many years he held management positions in the State Prosecutor's Office, including Prosecutor in the Warsaw District Prosecutor's Office in the Department for Organised Crime and Corruption, where he directly handled the most important investigations led by the Police, Central Bureau of Investigation, Internal Security Agency and Central Office of Anti-corruption.

Prior to that, he was a customs inspection officer, where he cooperated closely with OLAF. He is currently an OLAF expert for negotiated settlements.

Arkadiusz lectures at the Łazarski University (Warsaw) in the Department of Criminal Law. He is also a lecturer in postgraduate studies on public procurement.   

He studied law at the Maria Curie-Skłodowska University in Lublin, Poland. He has also completed postgraduate studies in Organised Crime and Terrorism, and Human Resource Management at the University of Warsaw.

Arkadiusz works in Polish and English.              

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