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Mika Oinonen

Head of Competition and Regulatory, Finland

Mika practices mainly in the field of competition and regulatory. He has 15 years of experience from both the public and private sector with an extensive background in the Finnish Competition and Consumer Authority, working among others on merger control, authoring the FCCA's Merger Guidelines (2011) and contributing to various international working groups. Mika has also participated in the preparatory work of the Finnish Competition Act.

Mika holds a Doctor of Science (Business Administration) degree from the University of Tampere. His doctoral thesis EU Merger Control Discriminate Against Small Markets Companies? Diagnosing the Argument with Conclusions (Kluwer 2010) was nominated as the best doctoral thesis of jurisprudence of the year in Finland. He has published two books and a number of articles, blogs and writings in competition law. His most recent book, EU:n ja Suomen kilpailuvalvonta (The EU’s and Finland’s Competition Control) was published in 2016. Mika also holds adjunct professorships of Competition Law in two universities in Finland.

  • English
  • Finnish
  • Swedish
  • University of Tampere, Doctor of Science (Business Administration), 2008
  • University of Tampere, Licentiate of Science (Business Administration), a post-graduate degree, 2003
  • University of Helsinki, Master of Laws, 2002


  • Legal 500: EU and Competition Law, 2015 - 2018
  • Chambers & Partners: Competition/European Law, 2017 & 2018
  • Finnish Lawyers' Society Award for the best legal doctoral dissertation in Finland, 2009
  • Laudatur LL.M. thesis prize awarded by the Faculty of Law, University of Helsinki, 2002


Mika has authored several publications including:

  • Kilpailuoikeus ja itsesääntely elintarvikeketjun hyvän kauppatavan vastaisten käytänteiden torjunnassa (Competition law and self-regulation preventing unfair practice in food supply chains), Juhlajulkaisu Risto Nuolimaa 1948 – 2/6 – 2018. The Association of Finnish Lawyers, Helsinki 2018
  • EU:n ja Suomen kilpailuvalvonta (The EU’s and Finland’s Competition Control), Talentum Pro, Helsinki 2016
  • The New 30% Rule: a Viable Solution to Detrimental Buyer Power in the Finnish Grocery Retail Sector? European Competition Journal 04/2014; 10(1)

Prior Experience

  • 2015 to 2018, Head of EU, Competition and Public Procurement, Finnish law firm
  • 2013 to 2014, Senior Research Officer, Finnish Competition and Consumer Authority, Market Research Unit
  • 2011, Senior Short-Term Expert, Deutsche Gesellschaft für Internationale Zusammenarbeit GMBH
  • 2011 to 2012, Senior Research Officer, Finnish Competition Authority, Director General's (Mr. Juhani Jokinen) Staff
  • 2009 to 2010, Senior Research Officer, Finnish Competition Authority / Merger Control Unit
  • 2004, Assisting case handler/trainee, European Commission, DG Competition

Memberships And Affiliations

  • Finnish Lawyers’ Association
  • FIDE (International Federation of European Law) Finland
  • The Association of Finnish Lawyers
  • Finnish Bar Association
  • The Finnish Competition Law Association
  • Member of the Editorial Review Board at Oxford Competition Law (Oxford University Press)