White & Case
Jacquelyn F. MacLennan

T: + 32 2 239 25 63
F: + 32 2 219 16 26
Practice Experience
Jacquelyn MacLennan is a member of the Executive Committee of White & Case LLP, and was until recently 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 (and implementing) 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 and speaks at conferences on her subjects of expertise. She is an Honorary Fellow at the Europa Institute of the University of Edinburgh.

Clients "enthuse that 'it's a pleasure to work with' Jacquelyn MacLennan, adding: 'She's very service-oriented and reliable.'"(Chambers Europe 2012) She is admired for her "wide knowledge and very up-to-date information: the work product is top-notch."(Chambers Global 2013) 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". Additionally, Chambers Global 2013 notes that "Clients value her 'good relationship with the authorities and excellent experience.'" "Executive Partner…Jacquelyn MacLennan is seen as 'a safe pair of hands and a very smart lawyer.'"(Chambers Europe 2012) She is a member of the Board of Directors of Operation Fistula, a non-profit organisation dedicated to the reduction of pregnancy risks in developing countries.

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

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

"Competition Law in China – an ant on the move?," The Lawyer, May 2012
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


United Kingdom