János Vajda specializes in competition law, advertising law, litigation law, banking and capital market regulatory matters.


Throughout his career János gained extensive experience in competition law matters, litigations, banking and capital market regulatory matters. János lectured at the Eötvös Loránd Faculty of State and Legal Sciences in seminars on financial law for 7 years.


He is fluent in English.

"It is a very good team with excellent leaders. All the colleagues’ knowledge is extraordinary. They are members – and leaders – of several industrial associations."

Legal500 2021, Competition


"They are service-minded, outstandingly good professionals, have an insight into doing business and have confident expertise and extensive knowledge of regulatory and case law, both locally and in the EU."

Legal500 2021, Competition


The team "knows our business and our industry very well, which is an important prerequisite to give ad hoc and valuable competition law advice."

Chambers Europe, 2021, Competition/Antitrust Department


One interviewee highlights that the lawyers "are so internationally minded - they really are able to think like international clients do."

Chambers Europe, 2020, Competition Department


Szecskay Attorneys at Law is praised for its 'tailored, fast and pragmatic support'.

Legal500, 2019, Competition Department



  • Legal500, 2023 - 2015, Competition: Tier 2




  • Competition Law Firm of the Year, 2016 - Wolters Kluwer Lawyers Awards Hungary


Competition Law Compliance Program

23. 01. 2018. Anikó Keller, Miklós Boronkay, János Vajda, Gábor Faludi Jr., Bence Molnár Sz., Gusztáv Bacher, Judit Budai

Bar Memberships:


  • Budapest Bar Association (since 2008)


Other memberships:


  • Hungarian Advertising Association
  • Hungarian Advertising Self-Regulatory Board
  • Maastricht University, MA, legal psychology (2020- …)
  • Károli Gáspár University, BA psychology (2017-2020)
  • Budapest College of Communication and Business, Public Relations Communication (2009)
  • J.D., Eötvös Loránd University, Faculty of Law (2004, Summa cum laude)