Marcin Mleczko

Office of Competition and Consumer Protection (Warsaw)
Civil servant

Marcin Mleczko is a case handler at the Polish Competition Authority in the Department of Competition Protection. Prior to joining the Polish Competition Authority, he worked in the competition department of WKB - Wierciński Kwieciński Baehr. Marcin graduated from the Jagiellonian University in 2016 (thesis title: "Procedural and systemic problems associated with the use of commitment decisions in the Polish competition law"). Currently he is a student of Competition Law Postgraduate Studies at the Institute of Law Studies of the Polish Academy of Sciences. Marcin also writes for and is a member of the Competition Law Association in Poland.

Linked author

University of Warsaw


1414 Bulletin

Marcin Mleczko The Polish Supreme Court provides guidance on setting fines for resale price maintenance and recognizes the privilege against self-incrimination in the national competition law (Polifarb Cieszyn – Wrocław)


Introductory remarks In its decision of 18 September 2006, the President of the Office of Competition and Consumer Protection (hereinafter referred to as the ’President of UOKiK’) imposed fines on Polifarb Cieszyn - Wrocław S.A. (hereinafter referred to as ’PCW’) Praktiker Polska, OBI, Castorama, (...)

Marcin Mleczko The US Court of Appeals for the Seventh Circuit considers potential discrimination between taxis and transportation network providers (Illinois Transport Association / City of Chicago)


Sharing and traditional economy: matter of substitutability ... between cats and dogs?* Sharing economy firms are disrupting traditional industries across the globe. As Tom Goodwin once put it: “Uber, the world’s largest taxi company, owns no vehicles. Facebook, the world’s most popular media (...)

Marcin Mleczko The Polish Supreme Court quashes the judgment of the Court of Appeal regarding inadequate explanation of the factual basis of the decision issued by the Competition Authority (The National Chamber of Notaries)


In its decision of 19 April 2010, the President of the Office of Competition and Consumer Protection (hereinafter the “Polish Competition Authority”) imposed a fine on the National Chamber of Notaries for anticompetitive conduct. The Polish Competition Authority found that the National Chamber of (...)

533 Review

Send a message