By Yasmine EDDAM
23 April 2025
Determining the exact contours of the «relevant market» is a fundamental step in competition law and the principles of unfair competition. It is in this context that we assess whether a practice restricts competition or whether a company holds a dominant position. The exercise, already a delicate one in the traditional economy, is becoming particularly complex with the rise of the internet and e-commerce, where boundaries sometimes seem to be blurred. For a company operating online, understanding how the competition authorities define its market is essential, particularly when it comes to defining a dominant position. This enables them to assess the legality of their commercial agreements, pricing strategies or plans for external growth. The wrong assessment can lead to major legal risks. The aim of this article is to shed light on the specific issues involved in defining the markets for internet access, e-commerce and online advertising,...
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