Sergey Ermolenko
PhD in Law

Sergey Ermolenko manages projects in the field of competition regulation, including advice on advertising and competition laws, coordination of transactions with the antimonopoly body within the framework of M&A projects, legal advisory on public procurements, client representation in disputes before antimonopoly bodies and arbitration courts.

Sergey advises on projects at the intersection of public and private initiatives and ensures competition compliance of private projects aimed at obtaining positive public result but being able to affect competition.

Besides his wide experience of working in legal consultancy, Sergey also has experience in providing actual support to different business processes, including participation in litigations on a wide range of issues (real estate, corporate disputes, bankruptcy, debt collection), carrying out all the registration actions required by government authorities as well as support in enforcement proceedings.

The Legal 500 EMEA 2021 rating marks Sergey among the best lawyers in Russia in Competition and Employment.

Sergey is recommended by the Best Lawyers 2022 rating in the Information Technology Law and Mergers and Acquisitions Law practices.

The “Pravo.Ru-300” 2020 rating names S. Ermolenko among the best lawyers in the practices of Antitrust Law, Corporate Law / Mergers and Acquisitions, and Kommersant 2021 — in Digital Economy / Fintech practice.

Major projects:

  • defending rights to a fishing asset worth over RUB 9 bn in a judicial dispute with the Federal Antimonopoly Service, which tried to deprive the company of fishing quotas;
  • representing a client in a judicial dispute over the invalidation of the alienation of nine trademarks (including international trademarks), including representing before the Supreme Court of the Russian Federation;
  • representing before arbitration courts in a precedent-setting dispute with the Federal Antimonopoly Service of Russia to legitimate the credit sale advertising practice;
  • representing Actavis in judicial disputes totalling over RUB 1.6 bn and settling disputes with employees;
  • defending a client in a series of cases on challenging the acquisition of an oil company worth over RUB 1.1 bn;
  • supporting the acquisition of an operating oil company valued at RUB 1.3 bn by a private investor from one of the largest oil and gas groups, including developing a deposit management operating agreement and an oil product transportation agreement;
  • coordinating with the FAS of Russia a transaction between Gazprom Dobycha Urengoy and Gazprombank on setting up Gazprom Resurs Nortgaz, a joint venture with the authorized capital exceeding RUB 46 billion;
  • supervising the project on the development of the legal structure of the loyalty programme for the Mir payment system;
  • advising a Chinese investor on competition issues and public procurements related to greenfield construction in Russia of an enterprise producing high-speed trains;
  • consulting on competition issues for the acquisition of nine LPG supply entities (developing a transaction scheme, communicating with the Federal Antimonopoly Service of Russia, preparing documents to get transactions approved) (transaction amount – $100 m);
  • developing a procurement system for a joint venture established by a state-owned company to ensure simultaneous transparency of procurement procedures and flexibility of the system allowing for the selection of proposals with the highest quality;
  • routine advising for large pharmaceutical companies (Actavis), as well as air companies (Cathay Pacific) in the field of advertising law;
  • legal support of public procurements for a large Russian IT Company, including preparation of complaints to the FAS of Russia and taking part in their processing in Moscow and other regions;
  • legal support of an investment project under which a large investment fund planned to invest in a regional network of clinics in the Perm Krai;

    settling and collecting a debt for the benefit of a foreign pharmaceutical company within the framework of bankruptcy procedures and enforcement proceedings.

Practice areas

Competition, legal support of transactions, support of economic activities, representing clients before government authorities and courts, debt collection


2013 Kutafin Moscow State Law Academy; PhD in Law

2009 Kutafin Moscow State Law Academy (diploma with distinction)

Professional community

Member of the Competition Experts Association



Sector experience
  • Industrial production and engineering
  • Pharmaceuticals, healthcare
  • IT / TMT / Technology
  • Investment activities