Matheson LLP

Partner in the Competition and Regulation Group

Calum Warren is a partner in the Competition and Regulation Group.  Prior to joining Matheson, Calum worked at leading international law firms in Brussels and London.

Calum advises on all aspects of Irish and EU competition and regulatory law including merger control, competition compliance and investigations, sector regulation, public procurement, state aid and general EU law.  Calum has also gained in-depth experience in a range of sectors including financial services, telecommunications and media (TMT), agri-business, energy, manufacturing, healthcare, food & beverages and transport.

Calum specialises in advising on and managing clearance strategies for M&A transactions before the Competition and Consumer Protection Commission (CCPC) and the European Commission, including transactions subject to in-depth Phase 2 investigations and remedies negotiations.  His previous roles in Brussels and London also enable Calum to bring considerable multi-jurisdictional perspective to his advice.

Calum also specialises in managing competition investigations before the CCPC and the European Commission, including representation during on-site inspections (‘dawn raids’), whistle-blower applications and follow-on litigation before the Irish and EU courts.  Calum also has significant expertise in advising on competition compliance issues, including competitor collaborations, the competition aspects of distribution arrangements and technology transfer / IP arrangements and internal compliance programmes (including ‘dawn raid’ preparedness).

Calum contributes articles to leading international legal publications and speaks regularly on EU competition issues.

Qualified as a solicitor in Ireland King’s College, London (Post-Graduate Diploma in Economics for Competition Law) Ludwig-Maximilians-Universität (LMU), Munich (LL.M. in European and International Business Law) Trinity College Dublin (LL.B. in Law and German)