Lakatos, Köves and Partners' competition team deals with a variety of merger control, FDI, cartel, and unfair commercial practice investigations. Leading the practice is Iván Sólyom, who draws on over two decades of experience in regulatory, antitrust, and competition litigation as well as private enforcement proceedings, and Eszter Ritter, who advises multinational clients on cross-border mandates. Ádám Máttyus brings over 25 years of experience in FDI screening and EU foreign subsidiary regulations. Another key team member is Adrienn Mándoki, who handles high-stakes investigations and compliance matters.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'The law firm’s extensive experience was evident from the start — they immediately knew how to proceed and clearly outlined the possible outcomes in advance. Their responses are always very quick, and their work and communication are consistently professional.'
  • 'Eszter Ritter provided swift and comprehensive support. They communicated with ease, explained the situation clearly to colleagues without a legal background, and worked together in a highly dynamic and efficient way.'
  • 'Eszter Ritter's deep legal expertise is a tremendous asset, and we were consistently impressed by her exceptional responsiveness. Her inquisitive nature drives her to thoroughly understand every facet of a case, which allows her to devise creative, yet legally-sound, solutions to complex problems.'
  • 'The team offers sophisticated and commercially astute services. These services effectively blend international best practices with profound local regulatory knowledge. What makes this practice unique is the high level of partner involvement. Direct and easy access to the firm's leading experts guarantees strategic oversight on all crucial mandates.'
  • 'Ivan Solyom has expertise and dedication that have been invaluable to our us and our clients. He consistently delivers top-notch legal advice, always with a quick and pragmatic approach.'
  • 'Experienced partners and senior lawyers.'

Key clients

  • GE Healthcare
  • Mastercard Europe SA
  • Mattoni Group (including its Hungarian subsidiary Szentkirályi Magyarország Kft.)
  • COLAS S.A.
  • Indotek Group
  • Auchan Hungary

Work highlights

Advised a global confectionary, snacking and petcare business on various consumer and compliance law topics in 2024-2025.
Advised GE Healthcare in litigation challenging a competition authority decision relating to alleged bid-rigging.
Advised Auchan Hungary in an ongoing cartel investigation relating to vertical arrangements with the supplier affecting most of the retail player.

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading associates

Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Practice head

Iván Sólyom; Eszter Ritter

Other key lawyers

Ádám Máttyus; Adrienn Mándoki