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Jacquelyn MacLennan

White & Case (Brussels)

Former Partner

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)

Distinctions

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

Contact

Linked authors

Fanny Abouzeid

White & Case (Brussels)

Belgium 4 contributions 1251 visits

Adam Acosta

White & Case (Washington)

United States 11 contributions 1643 visits

Kevin Adam

White & Case (Boston)

United States 9 contributions 2644 visits

Reem Albakr

White & Case (Riyadh)

Saudi Arabia 1 contribution 864 visits

Melinda Anderson

White & Case (New York)

United States 1 contribution 388 visits

15801 | Events

8 Mar 2022 Brussels Dinner in honour of Olivier Guersent (DG COMP) See documents

9 Nov 2021 Brussels Brussels Antitrust in Home Office - Photo exhibition See documents

9 Mar 2021 Webinar Digital and Competition #1 Opening discussion & Digital antitrust reforms in the EU and the US See documents

6 Oct 2020 Online Fireside Chat: What can, and should, the US and the EU antitrust authorities do about Tech Giants? See documents

1 Mar 2019 London Innovation Economics for Antitrust Lawyers See documents

2 Jul 2018 Brussels Online Platforms : The interplay of regulation and antitrust enforcement See documents

23 Feb 2018 London Innovation Economics for Antitrust Lawyers See documents

Videos

"EU Competition Law and EU Charter of Fundamental Rights: An Evolving Partnership" (Business Article | Procedure Winner) — Jacquelyn MacLennan 30 June 2021 Webinar

Jacquelyn MacLennan (White & Case) — Jacquelyn MacLennan 23 February 2018 London

Articles

8609 Bulletin

Marc Israel, Jacquelyn MacLennan, Peter Citron The UK Competition Authority publishes a new Green Claims Code and announces that it will start carrying out a full review of misleading sustainability and environmental claims

20 September 2021 331

UK clampdown on greenwashing As the importance of sustainability and eco-friendliness grows among consumers worldwide, the UK Competition and Markets Authority (CMA) has concerns that an increasing number of businesses misleadingly market their products and services as environmentally (...)

Jacquelyn MacLennan, Peter Citron, Will Cashman The UK Competition Authority announces that it will propose a package of remedies to address the issues found during its study into the electric vehicle charging market

26 May 2021 289

On 26 May 2021, the UK Competition and Markets Authority announced that it would not undertake a market investigation reference on the back of its study into the electric vehicle charging market and will instead propose a package of remedies to address the issues found during the course of the (...)

Jacquelyn MacLennan, Strati Sakellariou-Witt, Tilman Kuhn, Peter Citron The EU Commission publishes a staff working document on its evaluation of the horizontal block exemption regulations on research & development and specialisation agreements

6 May 2021 501

On 6 May 2021, the European Commission ("Commission") published a staff working document ("SWD") on its evaluation of the horizontal block exemption regulations on research & development and specialisation agreements ("H-BERs") and the horizontal guidelines. The SWD is accompanied by an (...)

Jacquelyn MacLennan, Bram Vereecken, Aron Senoner EU Competition Law and the Charter of Fundamental Rights: An overview of EU and national case law

3 December 2020 1084

Fundamental rights are an integral element of the rule of the law, and any system which purports to respect the rule of law must be seen to respect the fundamental rights of the individuals subject to it. At this particular moment, with the COVID-19 pandemic, fundamental rights are an issue of special debate and concern.

Jacquelyn MacLennan, Marc Israel The UK Competition and Markets Authority issues Guidance on requests for internal documents in merger investigations

15 January 2019 332

Competition authorities around the world typically place considerable weight on parties’ internal documents when assessing the potential effects of a merger. Such documents, many of which can pre-date the companies’ decision to enter into a transaction, are often regarded as conveying the (...)

Jacquelyn MacLennan, Marc Israel The EU Commission fines four consumer electronics groups for restricting their online retailers’ ability to set their retail prices for their electronics products (Asus / Denon & Marantz / Philips / Pioneer)

24 July 2018 1731

The Commission Decisions In February 2017, the Commission initiated proceedings against Asus, Denon & Marantz, Philips and Pioneer following information obtained during the e-commerce sector inquiry. The Commission’s report had identified resale price maintenance as an area of concern, (...)

Aqeel Kadri, Jacquelyn MacLennan, Marc Israel The UK Competition Authority issues updated guidance on the appropriate amount of penalties to be imposed for infringements of competition law

18 April 2018 929

On 18 April 2018, the Competition and Markets Authority issued updated guidance on the appropriate amount of penalties to be imposed for infringements of competition law in the UK. This replaces the previous guidance issued by the Office of Fair Trading (which the CMA replaced in 2014) and (...)

Assimakis Komninos, James Killick, Jacquelyn MacLennan, Jérémie Jourdan, Strati Sakellariou-Witt, Jan Jeram, Axel P. Schulz The EU Court of Justice endorses an effects-based assessment of rebates (Intel)

6 September 2017 893

This article has been nominated for the 2018 Antitrust Writing Awards. Click here to learn more about the Antitrust Writing Awards. On 6 September 2017, the Court of Justice of the European Union ("CJEU" or "Court") essentially held in Intel that the European Commission ("Commission") (...)

Jacquelyn MacLennan, Jean-Paul Tran Thiet, Mark Powell The EU Court of Human Rights rules that French dawn raids breached fundamental rights (Vinci / GTM)

2 April 2015 642

The European Court of Human Rights (the “ECtHR”) has ruled in the Vinci case that the circumstances surrounding the electronic removal of documents and computer files during a dawn raid violated two companies’ privacy rights enshrined in the European Convention on Human Rights (“ECHR”) . The (...)

Jacquelyn MacLennan, James Killick, Mark Powell The European Commission adopts new Energy and Environmental State Aid Guidelines

9 April 2014 149

On 9 April 2014, the European Commission adopted its new Energy and Environmental State Aid Guidelines (the “EEAG”) which will take effect from 1 July 2014 onwards, replacing the Environmental State aid Guidelines (“EAG”) from 2008, which did not cover State aid to the energy sector. The EEAG (...)

Axel P. Schulz, Ian Forrester, Jacquelyn MacLennan The EU Court of Justice AG Wathelet proposes to the EU Court of Justice to annul a judgement of the General Court in order to force it to exercice its full jurisdiction to review fines imposed by the Commission (Telefónica)

26 September 2013 233

The level of fines imposed by the European Commission in competition cases has attracted controversy for more than ten years. The often deferential approach of the European courts to hearing appeals has also been criticised, but in many cases the courts have largely left untouched the (...)

Assimakis Komninos, Ian Forrester, Jacquelyn MacLennan, Kai Struckmann, Mark Powell, Pontus Lindfelt The European Commission adopts a package on private damages actions in antitrust cases

11 June 2013 325

This article has been nominated for the 2014 Antitrust Writing Awards. Click here to learn more about the Antitrust Writing Awards. Summary On 11 June 2013, the European Commission (“Commission”) adopted a proposal for a directive on how citizens and companies can bring damages claims (...)

Jacquelyn MacLennan, James Killick, Mark Powell The UK OFT launches a review of barriers to entry, expansion and exit in the retail banking sector

26 May 2010 391

Today, the Office of Fair Trading ("OFT") launched a review of barriers to entry, expansion and exit in retail banking.[1] The review comes at a time of when the UK Government has significant stakes in a number of major retail banks, which it will wish to divest over time. The purpose of the (...)

Jacquelyn MacLennan, James Killick, Mark Powell The EU Commission publishes its guidance paper on exclusionary abuses under Article 82 EC

24 February 2009 779

I. BACKGROUND The European Commission published the 24th February 2009 a Communication containing its long-awaited Guidance Paper on exclusionary abuses under Article 82 C(Commission Communication – Guidance on the Commission’s Enforcement Priorities in Applying Article 82 EC Treaty to (...)