Marjolein De Backer

Marjolein De Backer practices in the areas of EU, UK and Belgian antitrust and competition law. Ms. De Backer has significant experience leading advice to clients on merger control, abuse of dominance, cartels, and state aid before the EU, UK, and Belgian authorities and courts. She also advises on patent licensing in the IoT sector as well as distribution questions in the pharmaceutical industry. Ms. De Backer has worked for multinationals across different sectors, including transport, energy and natural resources, IT and the digital sector.

Ms. De Backer has also published numerous articles on privacy, data and the digital sector, as well as on the interplay between competition law and sustainability. And she is a core member of the Dechert Foreign Direct Investment team.

Ms. De Backer is qualified in Brussels and New York. She has in recent years been named a “Rising Star: Competition & Antitrust” by ...Continue Reading

Several multinationals as complainants and third parties in the Commission's investigation of Google's abuse of dominance practices and other investigations in the digital sector.
SK hynix in relation to its role as a financier to Bain’s acquisition of Toshiba’s Memory Business (now Kioxia).
Marconi on matters of antitrust and European law in relation to patent licensing.
Aer Lingus in connection with IAG's €1.4 billion acquisition of Aer Lingus; on its defense of successive hostile takeover bids by Ryanair and appeals in the EU's General Court; and in UK investigations into Ryanair's minority shareholding in Aer Lingus and related UK appeals.
A capacitor manufacturer in relation with the Commission's cartel investigation into the electrolytic capacitor market.
Deutsche Börse in connection with its merger with NYSE Euronext.

Includes matters handled at Dechert or prior to joining the firm.

Competition Law and Sustainability: Where Have We Reached? – Concurrences: Sustainability and Competition Policy (February 2023)

UK Online Safety Bill Delayed, But Firms Should Still Prepare - Law360 (July 19, 2022)

Hand in hand: EU competition policy embracing (environmental) sustainability - Competition Law Insight (Spring 2022)

Industrial strategy: Europe to control foreign subsidies threatening the internal market - Competition Law Insight (Summer 2021)

Google/Fitbit: Merger control unfit for purpose? - Competition Law Insight (Spring 2021)

Competition Law in the Digital Era: Adapting to the New Environment — InformaConnect (October 18, 2022) Download slide deck
Conference Chair
Big Data & Competition Law — InformaConnect, Virtual Conference (October 19-20, 2021) Download slide deck
Speaker, Chairs Opening Remarks; Chairs Welcome & Introduction
GCR Interactive: Sustainability and Cooperation- Greenwashing or Virtue-Signalling? — Global Competition Review, Virtual Conference (April 28, 2021)
23rd annual Dominance conference — KNect, Brussels, Belgium (June 6, 2019)
Speaker, panel on “Remedies”
2019 Annual Antitrust Spring Seminar— Dechert LLP, Philadelphia, PA (March 26, 2019)
2018 Annual Antitrust Spring Seminar—Dechert LLP, Philadelphia, PA (April 10, 2018)

Marjolein De Backer

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