Mr Mateusz Ostrowski > Kochanski & Partners > Warsaw, Poland > Lawyer Profile

Kochanski & Partners
00-078 WARSAW

Work Department

Litigation Practice


Partner, Head of Litigation Practice


Mateusz heads the litigation, compliance & investigations practices at Kochański & Partners, specializing in civil, press and commercial law disputes as well as white-collar crime.

In his litigation practice, Mateusz has also been involved in media, pharmaceutical, healthcare and capital markets law proceedings​​.

Via the Financial Services sector, Mateusz represents the largest banking institutions in the country and leads a team of experts dedicated to developing litigation strategies as well as assisting parties asserting and receiving claims arising from contractual obligations and compensatory payments.

Mateusz advises on and is involved in conducting corporate disputes relating to financial instruments and the liability of members of company bodies. He also advises on IP disputes, as well as those relating to acts of unfair competition, acts to the detriment of companies, and use of confidential information in securities trading, including stock exchange crime and market abuse.

Mateusz is interested in matters relating to bankruptcy and restructuring proceedings, as well as ​​enforcement against financial instruments.

Mateusz is a recommended lawyer in the Legal 500 EMEA 2020 rankings for litigation, in addition to bankruptcy and restructuring proceedings.


Polish, English


The Warsaw Bar of Advocates


Łazarski University of Commerce and Law in Warsaw, the faculty of Law (Master of Law, 2009)

Lawyer Rankings

Poland > Dispute resolution

Kochanski & Partners has an impressively varied disputes practice, with specialists in commercial, financial and media disputes, civil litigation and international arbitration. Marek Jezewski  leads the international disputes group, with a solid background in public international law, and experience representing Polish SOEs in international arbitration. Michal König  heads the commercial arbitration and litigation team, often working alongside Jeżewski in infrastructure cases. Mateusz Ostrowski  leads the civil litigation group, while Agnieszka Chajewska  is the name for media litigation, often representing journalists and public figures in high-profile Polish freedom of speech cases. Andrzej Pałys  is another key member of the team with, focusing on financial institutions and disputes.