Joachim Piotrowski

Joachim is a Senior Associate in the Competition team. He advises clients on a range of competition law matters, including merger control, foreign direct investment, regulatory compliance and investigations. 

Joachim has in-depth experience of UK, EU and Polish merger control proceedings and advises clients on competition regulations and merger control requirements. His experience includes advising on merger control investigations in front of the CMA and the European Commission,  preparing CMA briefing papers, acting on Phase 1 and Phase 2 merger control investigations in front of the Polish Competition Authority (UOKiK), as well as handling multi-jurisdictional merger control filings.

As a regular advisor on the UK National Security and Investment regime, Joachim has helped a number of clients secure unconditional clearance decisions. He is a lead lawyer at OC advising clients on how to navigate the complex FDI landscape and has vast experience in proceedings in front of the UK Investment Security Unit.

Joachim has a strong interest in the application of competition law in professional sport and is a core member of Osborne Clarke's Sport Group. He has published several articles on the topic and commented for a number of UK and international news outlets, including The Telegraph, LawInSport, Off The Pitch, TalkSport and Dagens Nyheter.

Joachim joined Osborne Clarke LLP in March 2021 from a leading international law firm's London office. Prior to that Joachim graduated with LL.B. from King's College London, following which he completed his LL.M. at the University of Pennsylvania Law School where he has simultaneously studied at the Wharton Business School. Joachim has also successfully completed a postgraduate degree in Polish and EU Competition law at the Institute of Law Studies of the Polish Academy of Sciences (INP PAN).

Joachim is a co-author of a book on the legal regulations governing the use of artificial intelligence - the UK chapter of the Law Over Borders Comparative Guide on Artificial Intelligence.  He has a strong interest in tech regulation, digital transformation and the new regulatory landscape affecting the operation of online platforms, and has advised on the CMA's market study into online platforms and digital advertising.

Joachim is a member of the Competition Section of the Law Society of England and Wales.

Joachim Piotrowski is attentive to detail, and able to provide convincing reasoning, justifying proposed approach or solutions.

EU and Competition, The Legal 500 (London, 2023)

Joachim Piotrowski is proactive, attentive and oriented to providing efficient legal advice on the matter at hand.

EU and Competition, The Legal 500 (London, 2024)