Jacquelyn MacLennan White & Case


Jacquelyn MacLennan is a former partner in global law firm White & Case, specialising in EU Competition law, business & human rights/ESG and EU trade issues. She offers a wealth of experience for clients worldwide, representing leading multinational corporations, governments and trade associations. She focuses on EU competition law, and clients benefit from her experience and insight in developing strategy and running major international cartel investigations, as well as advising on complex distribution problems and licensing arrangements, abuse of dominance cases, mergers and joint ventures. Jacquelyn is a core team member of the firm’s Business & Human Rights Interest Group and advises on a wide range of issues related to ESG and sustainability, including corporate supply chain compliance, disclosure requirements, and Business & Human Rights issues generally. She also advises on EU customs and trade law, international sanctions, and EU regulatory requirements, notably in respect to product safety and environmental regulation. With an impressive track record of experience and know-how, Jacquelyn litigates regularly before the EU and UK courts, and represents clients before the European Commission. Jacquelyn has accumulated substantial management experience over her career; she has been a Member of the Partnership Committee (the main governance body) of White & Case, a Member of the Executive Committee (responsible for the firm’s strategy), and Executive Partner heading the Brussels office. In October 2015, she became the Global Pro Bono Practice Leader. Clients describe Jacquelyn as "excellent – an industry leader in antitrust matters" and "commercially-minded and solution-oriented." (Chambers Europe, 2016)

2021 Awards

2020 Awards


Winner, 2021 Antitrust Writing Awards: Business, Procedure.

Nominee, 2020 Antitrust Writing Awards: Business, Mergers.

Nominee, 2019 Antitrust Writing Awards: Business, Concerted Practices.

Nominee, 2018 Antitrust Writing Awards: Business, Unilateral Conduct.

Nominee, 2017 Antitrust Writing Awards: Business, Procedure.

Nominee, 2016 Antitrust Writing Awards: Business, Procedure.

Winner, 2014 Antitrust Writing Awards: Business, Private Enforcement

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