Marcin Ziarkowski

Senior Associate

Marcin advises on a wide range of intellectual property matters.
His main areas of interest are patent law, copyright law, pharmaceutical law and IP/IT aspects of M&A transactions, including in the IT, ecommerce and new technologies sectors.


Representative matters

OLX Global, a global network of trading platforms, on IP aspects of the acquisition of Obido, owner of the leading real estate platform connecting housing developers and clients in Poland.

Dover Corporation (Fortune 500-ranked company), an American conglomerate manufacturer of industrial products, on IP aspects of the acquisition of Solaris Laser, a world-leading manufacturer of industrial Fiber and CO2 laser coding, marking and engraving systems.

The Green Organic Dutchman Holdings, a Canadian cannabis research and development company, on IP aspects of the acquisition of HemPoland, a Polish manufacturer and marketer of organic CBD oils and extracts.

Asmodee Group, publisher of board, card and role-playing games and a member of Eurazeo group, on IP aspects of the acquisition of Rebel Polska, a board game distributor and publisher.



Warsaw Bar Association, 2021, Advocate


Intellectual Property Postgraduate Studies, Warsaw University, 2017

MA, Faculty of Law, Łódź University, 2016

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.