Laurine Daïnesi Signoret

Associate

Antitrust and Competition

Laurine Daïnesi Signoret is an associate in the Brussels office of Wilson Sonsini Goodrich & Rosati. Her practice focuses on all aspects of European competition law, including cartels, mergers, counseling, and litigation. She has experience across a wide range of sectors, including information technology, digital services, and sustainability collaborations.

Laurine works regularly with Wilson Sonsini’s data protection and privacy team to advise clients on digital platform regulation and data-related antitrust counseling.

Laurine maintains an active pro bono practice. She is a recipient of the firm's John Wilson Award, which is presented annually to attorneys who have demonstrated a significant commitment to the firm's pro bono clients.

Prior to joining the firm in 2020, Laurine was an intern at the European Commission's DG Competition in the mergers case support and policy unit.

She is a native French speaker, and is fluent in English and Italian.

Experience

Laurine works regularly with Wilson Sonsini’s data protection and privacy team to advise clients on digital platform regulation and data-related antitrust counseling.

Prior to joining the firm in 2020, Laurine was an intern at the European Commission's DG Competition in the mergers case support and policy unit.

She is a native French speaker, and is fluent in English and Italian.

Education

LL.M., European Legal Studies, College of Europe, Bruges (Belgium), 2020Recipient, Scholarship from the French Government
Master in EU Economic Law, Université Paris I Panthéon-Sorbonne (France), 2019
Master in EU Law, Université Paris II Panthéon-Assas (France), 2018
Bachelor of Laws, Université de Lorraine (France), 2017
Bachelor of Economics, Université de Lorraine (France), 2017
Autumn School training, The European Union and personal data: between protection and exploitation, Laval University (Quebec, Canada), 2016

Admissions

Brussels Bar

Credentials

Education

LL.M., European Legal Studies, College of Europe, Bruges (Belgium), 2020Recipient, Scholarship from the French Government
Master in EU Economic Law, Université Paris I Panthéon-Sorbonne (France), 2019
Master in EU Law, Université Paris II Panthéon-Assas (France), 2018
Bachelor of Laws, Université de Lorraine (France), 2017
Bachelor of Economics, Université de Lorraine (France), 2017
Autumn School training, The European Union and personal data: between protection and exploitation, Laval University (Quebec, Canada), 2016

Admissions

Brussels Bar

Select Matters

Advises American, Asian, and European clients in U.S. and EU cartel investigations
Advises a leading global technology company on compliance with the EU’s Digital Markets Act, Digital Services Act, and similar global initiatives
Advises an e-commerce company on antitrust compliance, including strategic advice on issues at the intersection of antitrust and data protection together with the Wilson Sonsini data protection team
Advised a leading social network on regulatory investigations
Advises a leading communications platform on antitrust compliance and regulatory investigations
Advises American, Asian, and European clients in EU and UK merger control proceedings

Matters

Select Matters

Advises American, Asian, and European clients in U.S. and EU cartel investigations
Advises a leading global technology company on compliance with the EU’s Digital Markets Act, Digital Services Act, and similar global initiatives
Advises an e-commerce company on antitrust compliance, including strategic advice on issues at the intersection of antitrust and data protection together with the Wilson Sonsini data protection team
Advised a leading social network on regulatory investigations
Advises a leading communications platform on antitrust compliance and regulatory investigations
Advises American, Asian, and European clients in EU and UK merger control proceedings

Select Publications

Co-author, “European Union: AI Partnerships and DMA Enforcement Top of the Agenda for European Regulators,” Global Competition Review’s Europe, Middle East and Africa Antitrust Review 2026, June 16, 2025
Co-author, “European Commission Moves Forward with Open Antitrust Cases Against Expected Gatekeepers," Wilson Sonsini Alert, January 4, 2023
Co-author, “Some Light Holiday Reading: Draft Procedural Guidance on the EU’s Digital Market Act Open for Consultation," The WSGR Data Advisor, December 12, 2022
Co-author, “U.S. Legislators and State Attorneys General Raise Antitrust Concerns Regarding ESG Collaborations," Wilson Sonsini Alert, November 21, 2022
Co-author, “EU Court Opinion: Competition Authorities May Consider Data Protection Breaches in Their Investigations," The WSGR Data Advisor, November 10, 2022
Co-author, "D(MA)-Day: Formal Adoption of the EU Digital Markets Act," The WSGR Data Advisor, July 20, 2022
Co-author, "Information Exchanges Among Competitors in Europe and the United States," American Bar Association's International Cartel Workshop, June 2022
Co-author, "EU to Open San Francisco Office to Advance Its Digital Regulation Agenda," The WSGR Data Advisor, April 27, 2022
Co-author, "EU Adopts New Rules to Significantly Limit the Power of Tech Platforms," The WSGR Data Advisor, March 30, 2022
Co-author, "EU Parliament and Council Take Next Steps to Advance Major New Rules for Digital Platforms," The WSGR Data Advisor, February 25, 2022
Co-author, “Incoming: Increased UK Enforcement in Digital Markets,” Wilson Sonsini Alert, April 8, 2021
Co-author, “Hello, Old Friend: Where Have You Been? French Antitrust Agency Levies Eye-Watering $510 Million Fine on Three Pharmaceutical Firms and Breathes New Life into Collective Dominance,” Wilson Sonsini Alert, October 1, 2020
Author, “Code of competitive conduct: a new way to supplement EU competition law in addressing abuses of market power by digital giants,” European Competition Journal, June 19, 2020

Insights

Select Publications

Co-author, “European Union: AI Partnerships and DMA Enforcement Top of the Agenda for European Regulators,” Global Competition Review’s Europe, Middle East and Africa Antitrust Review 2026, June 16, 2025
Co-author, “European Commission Moves Forward with Open Antitrust Cases Against Expected Gatekeepers," Wilson Sonsini Alert, January 4, 2023
Co-author, “Some Light Holiday Reading: Draft Procedural Guidance on the EU’s Digital Market Act Open for Consultation," The WSGR Data Advisor, December 12, 2022
Co-author, “U.S. Legislators and State Attorneys General Raise Antitrust Concerns Regarding ESG Collaborations," Wilson Sonsini Alert, November 21, 2022
Co-author, “EU Court Opinion: Competition Authorities May Consider Data Protection Breaches in Their Investigations," The WSGR Data Advisor, November 10, 2022
Co-author, "D(MA)-Day: Formal Adoption of the EU Digital Markets Act," The WSGR Data Advisor, July 20, 2022
Co-author, "Information Exchanges Among Competitors in Europe and the United States," American Bar Association's International Cartel Workshop, June 2022
Co-author, "EU to Open San Francisco Office to Advance Its Digital Regulation Agenda," The WSGR Data Advisor, April 27, 2022
Co-author, "EU Adopts New Rules to Significantly Limit the Power of Tech Platforms," The WSGR Data Advisor, March 30, 2022
Co-author, "EU Parliament and Council Take Next Steps to Advance Major New Rules for Digital Platforms," The WSGR Data Advisor, February 25, 2022
Co-author, “Incoming: Increased UK Enforcement in Digital Markets,” Wilson Sonsini Alert, April 8, 2021
Co-author, “Hello, Old Friend: Where Have You Been? French Antitrust Agency Levies Eye-Watering $510 Million Fine on Three Pharmaceutical Firms and Breathes New Life into Collective Dominance,” Wilson Sonsini Alert, October 1, 2020
Author, “Code of competitive conduct: a new way to supplement EU competition law in addressing abuses of market power by digital giants,” European Competition Journal, June 19, 2020

Recent Insights

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On June 2, 2026, SewerAI, a leading AI platform for sewer and underground infrastructure intelligence, announced a major strategic investment led by JMI Equity, a leading growth equity software investor based in the greater Washington, D.C., area and San Diego, with continued participation from Innovius Capital, Epic Ventures, and Bentley Systems. Wilson Sonsini Goodrich & Rosati advised SewerAI on the transaction.

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Client Highlights

On June 1, 2026, Salesforce, the world's No. 1 AI CRM, announced that it has signed a definitive agreement to acquire Contentful, a leading composable content platform trusted by over 4,800 of the world’s leading brands to deliver personalized digital experiences at scale. Wilson Sonsini Goodrich & Rosati advised Contentful on the transaction.

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Recent Events

Speaking Engagements

The Bi-Monthly Cartel & Criminal Practice Update, hosted by the ABA Antitrust Law Section and the Cartel and Criminal Practice Committee, will provide an overview of anticipated trends in cartel enforcement in the U.S. and Europe this year. The discussion will draw on developments from the first months of the new U.S. administration and recent changes within the newly appointed European Commission.

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WSGR Events

Wilson Sonsini, in conjunction with Women of Wilson (WoW) affinity group, is celebrating International Women’s History Month. We hope you can join us over your lunch break for a virtual discussion with some prominent women leaders on why equal opportunities are not enough, and why both public and private sectors need to focus on equitable and inclusive actions.

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