Sophie Lignier

Independent Contractor

Sophie Lignier

Independent Contractor

Sophie Lignier is of counsel with Foley & Lardner LLP and a member of the firm’s Government & Public Policy, Antitrust & Competition, and International Practices. She practices European Union (EU) competition/antitrust law and regulatory law in the firm’s Brussels office and has been a member of the Brussels Bar since 2003.

As an EU competition lawyer, she has significant experience advising clients in the transport, energy, pharmaceutical, high-tech, and other sectors on a full range of competition issues. In particular, she assists clients in merger control procedure and also acts as a coordinating counsel with respect to multi-jurisdictional merger control filings. She also has broad experience in reviewing business practices to help clients in areas such as distribution, single-firm conduct, strategic cooperation, and other business relationships with competitors, customers, and other industry participants. She also helps clients developing compliance programs and assists companies with their implementation.

She also provides advice on a broad range of EU regulatory issues, ranging from pharmaceutical products, medical devices, chemicals, and the environment including waste end-of-life products (more particularly electrical and electronic equipment under the WEEE directive) to regulatory issues relating to privacy and security. Her work is focused on helping clients to identify and manage the legal requirements that affect their businesses. She provides guidance through the EU decision-making processes and advises clients on the interpretation, application, and enforcement of EU laws and regulations to ensure compliance across all the EU member states.

Sophie is also a member of the Energy Industry Team, working with the team on issues involving the renewable and other energy sectors in Europe and advising clients on a series of ambitious reforms proposed by the European Green Deal.


  • Active contributor, Annual Review series of Antitrust Law Developments (ALD), American Bar Association Antitrust Section.
  • Qualified Lawyer (Belgium)


  • French
  • English
  • Italian
  • Dutch
17 January 2024 Deals and Wins

Foley Represents Barnes Group in Sale of Associated Spring™ and Hänggi™ Businesses

Foley & Lardner LLP served as legal advisor to Barnes Group Inc., a global provider of highly engineered products, differentiated industrial technologies, and innovative solutions, in its entering into a definitive agreement to sell its Associated Spring™ and Hänggi™ businesses to One Equity Partners.
19 October 2023 Deals and Wins

Foley Represents Jelly Belly Candy Company in its Sale to Ferrara Candy Company

Foley & Lardner LLP advised Jelly Belly Candy Company in its agreement to be sold to Ferrara Candy Company.
21 September 2023 Deals and Wins

Foley Advises Knowles Corporation in Acquisition of Cornell Dubilier

Foley & Lardner LLP served as legal adviser to Knowles Corporation, a leading global supplier of high performance components and solutions, including ceramic capacitors and radio frequency filters, advanced medtech microphones, balanced armature speakers, and audio solutions, in entering a definitive agreement to acquire Cornell Dubilier.
12 December 2022 Article

An Introduction to the EU Sustainable Financial Disclosure Regime and the Draft EU Corporate Sustainability Due Diligence Directive

The European Green Deal declared climate change and environmental degradation as existential threats to Europe and the world. The European Union (EU) has set out to mobilize private financial capital flows to green investments under its 2018 Sustainable Finance Action Plan.
20 December 2021 Press Releases

Foley Advises BICO Group on Acquisition of Biosero, Inc.

Foley & Lardner LLP served as legal advisor to Boston-based bio convergence company BICO Group AB (“BICO”), in its acquisition of Biosero, Inc. (“Biosero”), a San Diego-based software provider for automated workflows and laboratory connectivity, for $165 million.
24 June 2021

The Dutch Decision on Shell’s Carbon Emissions – Should U.S. Companies Be Worried?

On May 26, 2021, a Dutch court ordered Shell to cut its greenhouse gas emissions by 45% (from 2019 levels) by 2030. Should U.S. companies be worried by the decision?