Jacquelyn MacLennan is a member of the Executive Committee of White & Case LLP, and serves as the Executive Partner of the Brussels office. She practices EU law and concentrates on competition law. She also advises on EU trade law and internal market regulatory issues, particularly environmental law.

Throughout her career, Ms. MacLennan has worked closely with the leading multinational corporations active in the electronics and pharmaceutical sectors, and with a number of government clients. She regularly litigates before the European and UK courts and before the European Commission.

Her areas of practice include major cartel investigations, distribution/licensing arrangements, abuse of dominance cases, mergers and joint ventures. She has extensive experience in designing anti-trust compliance programs. She also has a substantial practice advising on EU State aid law, EU customs and trade law and EU regulatory requirements (particularly as regards the pharmaceutical sector, product safety and environmental regulations).

She regularly teaches EU competition law courses and speaks at conferences on her subjects of expertise.

Clients describe Ms. MacLennan as being "creative, intelligent and personable", "a talented and practical lawyer" and single her out for "handling priority issues with a sense of urgency, and providing spot-on advice." (Chambers) Ms. MacLennan is also highly rated in the Legal 500, where she is praised as an "absolutely excellent partner" and "for her dedication to clients, outstanding communications and personal touch", with clients noting that she "has an excellent knowledge of different languages, plus excellent understanding of 'culture' within a globally operating company".

Bars and Courts
Solicitor of Scotland, 1986
Notary Public
Brussels Bar (E list), 2002

Education
Diploma in Legal Practice, University of Edinburgh, 1984
LLB, Honors, University of Edinburgh, 1983

Publications
Co-author, "EC Competition Law Developments," Oxford Yearbook of European Law, 1997–1998, 1999–2000, 2001–2002, 2003–2004, 2005–2006, 2007–2009, 2010
Co-author, "Recent Developments in EU Competition Law," The Lawyers, November 2008 (published in Japanese) (with Alexandra Rogers)
Series of five articles on EU Corporate Governance Developments: Journal of the Japanese Institute of International Business Law, Vol. 32 No. 9-10/2004 and Vol. 33, No. 11-12/2005
Co-author, "Cracking the Customs Code: How to Export to Europe Effectively," ACC Docket, June 2006 (with Louis Apker and Steven Lyverse)
Co-author, "The Exhaustion of Trademark Rights in the EU and Possible Action Against Pirated and Counterfeited Goods," CIPIC Journal, Vol. 142, 2003/11 (with Ian Forrester)
"Evidence, Standard and Burden of Proof and the Use of Experts in Procedure before the Luxemburg Courts," Improving WTO Dispute Settlement Procedures: Issue and Lessons from the Practice of Other International Courts and Tribunals, 2000 (edited by Friedl Weiss)
Co-author, European Courts Procedure, 1st edition (updated) and 2nd edition, (edited by Richard Plender QC, co-authors Sven Norberg and René Barents)
"Facing the Digital Future: Public Service Broadcasters and State aid Law in the European Union," Chapter in Cambridge Yearbook of European Legal Studies, Vol 2. 1999

Languages
English
French

Citizenship
United Kingdom