Since 2018, Mateusz has been advising clients in multinational and complex commercial disputes and criminal proceedings. He has represented clients from various sectors before common, administrative and arbitration courts – as well as before law enforcement agencies and regulatory authorities. He has also assisted in a number of internal corporate investigations.
Before joining the firm, he worked in the litigation departments of renowned international and Polish law firms.
![Image of Mateusz Kosowicz](/_next/image?url=https%3A%2F%2Fedge.sitecorecloud.io%2Fallenoveryllp1-aoshearmanwe0db-production-ecf3%2Fmedia%2Fproject%2Faoshearman%2Faoshearman%2Fpeople-profile%2Fkosowicz_mateusz-3042539_web.jpg%3Fh%3D854%26iar%3D0%26w%3D1366&w=1200&q=75)
Mateusz Kosowicz
Associate
Mateusz specializes in commercial disputes, white-collar crime and investigations.
Expertise
Experience
Representative matters
A foreign airline in numerous (EUR10m) administrative proceedings for the imposition of fines in connection with the transmission of PNR data.
An international company from the telecommunications industry in a criminal case concerning the disruption of a public tender. An international company from the agricultural sector in a complex criminal case involving fraud and acting to the detriment of a creditor. An international company from the alcohol industry in criminal proceedings regarding the promotion of alcohol on social networking sites.
A foreign bank in a EUR12m case against the shareholders of a bank's debtor for compensation for preventing the enforcement of the claims. An international insurer in EUR1m disputes arising from an aircraft accident. An international company from the waste management sector in a complex internal investigation and a case of infringement of personal rights, as well as in a dispute over remuneration under a public-private partnership agreement. A foreign airline in civil disputes in the area of aviation law.
A Polish bank in EUR1m real estate disputes.
A Polish investment fund in a EUR10m dispute over the restructuring of a company's debt an international bank in a criminal case for the seizure of funds on suspicion of money laundering.
Pro bono
Leadership Positions And Professional Affiliations
- Member, Warsaw Bar
Qualifications
Academic
Languages