This month, the Antitrust Chronicle® (AC) addresses recent developments on Single Firm/Unilateral conduct. A rich variety of articles from Europe, the U.S., India and Mexico illustrate the latest changes to the notion of anticompetitive effects under article 102 TFUE, the legal tests applicable in section 2 cases, enforcement rules in the energy and telecom sectors in Europe, and more. Single firm conducts have always been the most challenging cases for competition agencies and tribunals, especially so in jurisdictions with young competition regimes. Not only is there a lack of consensus on how to analyze these cases or what test to apply in order to determine a case of abuse, but the fast moving markets in industries such as telecom and the Internet also render it particularly difficult to ascertain when a conduct is perfectly legitimate and when it?s harming consumers.
Featured News
Winston & Strawn and Taylor Wessing to Form Global Firm in Proposed 2026 Merger
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House Passes INVEST Act, Sending Capital Access Overhaul to Senate
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EU Trade Commissioner Warns Against Weakening Tech Rules Under US Pressure
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South Korea’s Antitrust Chief Backs Stronger Rules for Digital Platforms
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Antitrust Mix by CPI
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Learning from Divergence: The Role of Cross-Country Comparisons in the Evaluation of the DMA
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Federico Bruni
New Regulatory Tools for the EU Foreign Direct Investment Screening and Foreign Subsidies Regulation
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Ioannis Kokkoris
“Suite Dreams”: Market Definition and Complementarity in the Digital Age
Dec 16, 2025 by
Romain Bizet & Matteo Foschi
The Interaction Between Competition Policy and Consumer Protection: Institutional Design, Behavioral Insights, and Emerging Challenges in Digital Markets
Dec 16, 2025 by
Alessandra Tonazzi