Peter Mezei

Dr. Péter Mezei LL.M.

Associate
Fehérváry Horányi Kovács Baker & McKenzie Ügyvédi Iroda

Biography

Péter Mezei is a senior attorney in the Antitrust & Competition Practice Group of the Budapest office, advising clients on all areas of EU and Hungarian competition law. He has nearly 20 years of experience in defending clients in antitrust cases before the Hungarian Competition Authority, the European Commission and both before EU and Hungarian courts. Péter also regularly advises clients in EU and Hungarian merger clearance procedures, as well as internal compliance investigations, including multijurisdictional document review projects.

Before joining Baker McKenzie, from 2007 to 2018, Peter worked at another international law firm in the positions of junior associate and then senior associate / manager, and from 2014 to 2018, he also served as head of the firm's competition law practice.

Péter gained extensive experience in several industries, in particular retail and FMCG, pharmaceuticals, automotive, energy, public utilities and public services. He has a deep understanding of the specific antitrust and commercial issues in distribution, as he regularly advises clients on vertical restrictions, unfair commercial practices (UCP), unfair trading practices (UTP) and abuse of buyer power, as well as in the field of consumer protection.

His recent experience includes advising major automotive suppliers in regard of vertical issues, advising pharmaceutical companies on parallel trade and distribution issues; performing a full-scale internal antitrust audit at a large industrial manufacturer, representing a major energy infrastructure company in a cartel investigation, as well as representing a major retail chain in several UCP cases before the HCA and courts.

Representative Legal Matters

  • Representing an energy infrastructure company in a cartel investigation.
  • Representing a retail chain in several UCP cases before the HCA and courts.
  • Representing a pharmaceutical company in an antitrust investigation.
  • Full-scale internal antitrust audit at a large industrial manufacturer.
  • Advising several pharmaceutical and automotive companies in the implementation of new distribution models.
  • Advising a global food and agribusiness group in a multijurisdictional merger case.

Professional Honors

  • Leading Associate, Legal 500 EMEA, 2026

Professional Associations and Memberships

  • Budapest Bar Association (BÜK) – Member
  • Hungarian Competition Law Association (MVE) – Member
  • International League of Competition Law (LIDC) – Member
  • Hungarian Corporate Compliance Society (MVCT) – Member

Admissions

  • Hungary (2011)

Education

  • Pázmány Péter Catholic University (Post Graduate Studies - Competition Law Expert LL.M. ) (2009)
  • Pázmány Péter Catholic University (Juris Doctor) (2007)

Peter’s professional studies and publications have been published in both domestic and foreign legal journals (Magyar Jog, European Competition and Regulatory Law Review (CoRe), Yearbook of Antitrust and Regulatory Studies (YARS), New Journal of European Criminal Law). He has also been a speaker at various professional forums of numerous institutions (Hungarian Competition Law Association, LIDC, Hungarian Lawyers Association, PPKE-JÁK).