Stéphane Dionnet
Subscribe to Stéphane Dionnet's PostsStéphane Dionnet has over 20 years of experience practicing international competition law, and has experience liaising with competition authorities in the European Union, United States and Asia. Stéphane has advised global corporations on how to navigate complex multijurisdictional merger control matters. He has represented clients in numerous cartel investigations and has also successfully assisted companies in obtaining conditional immunity from the European Commission and other competition law agencies in and outside the European Union. Read Stéphane Dionnet's full bio.
Antitrust M&A Snapshot | Q2 2023
By Graham Hyman, Mary Hecht, Jon B. Dubrow, Joel R. Grosberg, Stéphane Dionnet, Matt Evola and Max Küttner on Jul 31, 2023
Posted In DOJ Developments, EC Developments, EU Developments, FTC Developments, Healthcare Antitrust, Mergers & Acquisitions
Topics covered in this edition: FTC Unveils Proposal Detailing Significant Changes to Hart-Scott-Rodino Act Merger Notifications Assa Abloy Settlement Raises Questions on Litigating the Fix and DOJ Consent Decrees Pharmaceutical Industry Remains in Regulators’ Crosshairs “Whole of Government” Competition Mandate Can Impact Deals the FTC and DOJ Do Not Challenge FTC’s Constitutionality Comes Under Fire—Again...
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Cartel Corner | July 2023
By Justin P. Murphy, Paul M. Thompson, Stéphane Dionnet, Han Cui, Reese Poncia, Alexandra Lewis, Graham Hyman, Nabil Lakhal, Glenna Siegel and Bailey K. Sanders on Jul 13, 2023
Posted In Cartel Enforcement, DOJ Developments, EC Developments, EU Developments, FTC Developments, Monopolization/Abuse of Dominance
In the first half of 2023, antitrust enforcers remained remarkably busy both in the United States (US) and across the European Union (EU). The US Department of Justice’s (DOJ’s) Antitrust Division (Division) and the Federal Trade Commission (FTC) have continued their aggressive and novel effort to drag antitrust enforcement into the labor markets. The DOJ...
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Vertical Agreements & Restriction of Competition by Object: What’s New in Europe?
By Jacques Buhart, Stéphane Dionnet and Frédéric Pradelles on Jul 12, 2023
Posted In Brussels Developments, EU Developments, Monopolization/Abuse of Dominance
On June 29, 2023, the Court of Justice of the European Union (CJEU) delivered a preliminary ruling in the Super Bock Bebidas vs. Autoridade da Concorrência case (C-211/22) on the questions referred by the Tribunal da Relaçao de Lisboa (Lisbon Court of Appeal). To some extent, the recent judgement is not particularly noteworthy or innovative,...
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EU Competition Law: New Horizontal Block Exemption Regulations and Horizontal Guidelines
By Jacques Buhart, Stéphane Dionnet, Frédéric Pradelles and Mélissa Hui on Jun 14, 2023
Posted In EC Developments, EU Developments
The European Commission recently adopted and published the revised Research and Development Block Exemption Regulation and Specialisation Block Exemption Regulation, together referred to as the Horizontal Block Exemption Regulations (HBERs), accompanied by the revised Horizontal Guidelines (HGLs). The adoption of the new HBERs and HGLs comes after the conduct of a similar review process and...
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The Potential Benefits of New EU Merger Control Rules
By Jacques Buhart, Stéphane Dionnet and Frédéric Pradelles on Jun 9, 2023
Posted In EU Developments, Mergers & Acquisitions
The European Commission recently adopted and published a package to simplify the procedures for reviewing concentrations under the EU Merger Regulation. The goal of the package is to simplify merger review procedures, with a targeted 25% reduction on reporting requirements. In this Law360 article, McDermott Partners Jacques Buhart, Stéphane Dionnet and Frédéric Pradelles examine the...
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EU Commission Adopts New Merger Simplification Package
By Jacques Buhart, Stéphane Dionnet, Christian Krohs, Frédéric Pradelles and Hendrik Viaene on May 12, 2023
Posted In Brussels Developments, EU Developments, Mergers & Acquisitions
On April 20, 2023, the EU Commission (Commission) adopted and published a package to simplify the procedures for reviewing concentrations under Regulation (EC) 139/2004 of January 20, 2004 (European Union Merger Regulation – EUMR). This package includes a set of three materials comprising (i) a revised Merger Implementing Regulation (Implementing Regulation), (ii) a Notice on...
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CMA Blocks Microsoft’s Acquisition of Activision Blizzard; ‘Game Over’ for Behavioral Remedies?
By Stéphane Dionnet and Max Küttner on May 8, 2023
Posted In EC Developments, Mergers & Acquisitions
The Competition and Markets Authority (CMA) blocked what would have been the largest deal in the gaming industry to date on April 26, 2023. This decision brings attention to various significant trends, including: In dynamic markets, regulators are focusing in on whether a deal harms or could harm future competition (i.e., innovation based on predications...
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Antitrust M&A Snapshot | Q1 2023
By Anthony S. Ferrara, Max Küttner, Jon B. Dubrow, Joel R. Grosberg, Stéphane Dionnet and Matt Evola on Apr 20, 2023
Posted In DOJ Developments, EC Developments, EU Developments, FTC Developments, Healthcare Antitrust, Mergers & Acquisitions
Topics covered in this edition: Christine Wilson Resigns as FTC Commissioner FTC/Department of Justice Horizontal Merger Guidelines Delayed Agencies Maintain Focus on Private Equity, Especially in Healthcare Continuing a Trend: FTC Loses Challenge to Meta’s Acquisition of Within Agencies Continue to Challenge Transactions Outright Rather than Negotiate Settlements New Regulatory Burden: The EU Foreign Subsidies...
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European Competition Review 2022
By Jacques Buhart, Stéphane Dionnet, Frédéric Pradelles, Hendrik Viaene, Anna Ciesielska, Mary Hecht, Max Küttner, Andrea Otaola, Karolien Van der Putten and Hannelore Wiame on Feb 6, 2023
Posted In Cartel Enforcement, Consumer Protection/Privacy, EC Developments, EU Developments, Mergers & Acquisitions
This Review provides legal counsel and their teams easy reference guidance on essential EU competition law developments covering key areas of law and policy. Topics covered include: Cartels & Restrictive Agreements Abuse of Dominant Position Merger Control State Aid Legislative and Policy Developments Access the special report.
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EU Foreign Subsidies Regulation Enters Into Force in 2023
By Stéphane Dionnet, Hendrik Viaene and Karolien Van der Putten on Jan 9, 2023
Posted In EU Developments, Mergers & Acquisitions
On December 23, 2022, Regulation (EU) 2022/2560 of December 14, 2022 on foreign subsidies distorting the internal market (FSR) was published in the Official Journal of the European Union. The FSR introduces a new regulatory hurdle for M&A transactions in the European Union (EU), in addition to merger control and foreign direct investment screening. The FSR’s...
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