Mathew Heim


Mathew Heim advises senior corporate executives and their outside counsel in managing legal, regulatory or political risks and crises, that run to the core of their business. He represents clients before international, European or national enforcers, governments, their administrations and politicians.

Throughout his career Mathew has advised parties involved in some of the most high-profile European anti-trust and merger cases, addressing the policy or political issues affecting these cases.

Mathew also provides public affairs and communications advice in the context of litigation before national and European courts.

Professional Experience

Mathew has spent over two decades guiding clients through their legal, regulatory or political challenges.

Most recently Mathew was Vice President and Counsel for Government Affairs at a US Fortune 500 technology company. In this capacity he was responsible for promoting and protecting the company’s interest in Europe. For nearly a decade Mathew was engaged in the interplay between intellectual property rights, industrial policy regulation and competition law. He was also involved in advising the company on significant international regulatory challenges outside of Europe, including the political, policy and communications aspects of mergers and acquisitions, antitrust investigations and litigation.

Prior to that, Mathew represented commercial interests during numerous European regulatory and legislative initiatives, as well as cases in the UK, France, Germany and Italy.

  • In the competition sphere, he has advised: 
    • on managing the political aspects or policy implications of Article 102 TFEU investigations on matters such as mobile roaming charges (excessive pricing), soft drinks (rebates), pharmaceuticals (compulsory licensing) and technology industries (compulsory licensing).
    • on mergers, he advised the parties on some of the most contentious cases of the time, such as Airtours/First Choice, that ultimately resulted in a review of the European merger control regime, Telia/Telenor, EMI/Time Warner, Carnival/P&O, Oracle/PeopleSoft and Google/DoubleClick, as well transactions in aviation, extraction and shipbuilding industries.
    • on communications challenges in Article 101 TFEU cases, such as cartel investigations in the Bitumen, Vitamins, and Banana sectors (a number of which involved dawn raids).
  • In high profile litigation situations Mathew advised on the communications strategies around supreme court cases on competition matters, phyto-sanitary import bans, commercial litigation, human rights, conflict diamonds, as well as marine and aviation disasters.
  • He has represented commercial interests before European and national political, governmental and regulatory bodies in numerous European policy and legislative initiatives, such as the European Audio-Visual & Media Services Directive and the Mobile Roaming Regulation, as well as competition regulations.

Appointments & Professional Affiliations:

  • Non-Governmental Advisor to the International Competition Network, appointed by the UK Competition and Markets Authority
  • Editorial Board Member of the IBA’s Competition Law International
  • Advisory Board Member of the Competition Law Forum at the British Institute of International and Comparative Law
  • Advisory Board Member of the Fordham Competition Law Institute
  • Member of the Bar Council Brexit Working Group
  • Member of the Honourable Society of Lincoln’s Inn and on the Committee of its EU Law Group


Mathew is bilingual in English and French and is fluent in Spanish and German.

Selected Articles and Contributions:

Mathew also writes and lectures regularly on European policy, law and politics ranging from judicial architecture and fundamental rights to competition and patent law.

Mathew has published over 40 articles on these subjects. Examples include:

  • ‘The Extra-Jurisdictional Effect of Competition Remedies’, Foreword for eConcurrences’ Special Edition on Extraterritoriality, May 2018.
  • Competition Enforcement in a Multi-Polar World; Issues in Institutional Design and Practice’, Competition Law International Special Edition 2015. Editor.
  • ‘The future of Patents and IPR in Electronic Communications’, Communications. & Strategies 2014. Co-Editor with Yann Meniere and Theon Van Dijk.
  • ‘Some Reflections on the Politics of Competition Policy’, Competition Law International, IBA Antitrust Journal, November 2011.
  • ‘Some Observations on the Treatment of Standardization Agreements in the EC Guidelines on Horizontal Cooperation Agreements’, Competition Policy International, February 2011.
  • ‘The appointment of Judges to Europe’s Supreme Court’, MLex Magazine, July-September 2010.
  • ‘Problems and Process: European Merger Control and How to Use It’, Journal of Public Affairs, Vol. 4, No. 1, 2004, pp 73-85.
  • ‘The Changing Environment in Cartel Enforcement and Cartel Defence after Regulation 1/2003’, Global Counsel, September 2004. With Carel Maske
  • ‘Settling European Anti-Trust Investigations’, Competition Law Journal, Vol. 3, Issue 4, 2004.
  • ‘A Charter of Rights for Europe’, with Hywel Ceri Jones and Cristina Pineda Polo, European Policy Centre Working Papers, 7 February 2003.
  • ‘The Impact of the Media on European Union Merger Decisions’, European Competition Law Review, 2003, Issue 2.