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ARTICLE · 14 JULY 2026

Bulletin Concurrence XVII

McDermott Will & Schulte
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This seventeenth edition of Bulletin Concurrence provides comprehensive coverage of the most significant competition law developments that emerged during the first quarter of 2026. The bulletin examines key regulatory changes, enforcement actions, and judicial decisions that are shaping the competitive landscape across multiple jurisdictions.

FranceAntitrust/Competition Law
Frédéric Pradelles
Frédéric Pradelles
Mary Hecht
Mary Hecht
Francesca Casalone
Francesca Casalone
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Édito

Notre nouveau Bulletin Concurrence est là !

Nous sommes ravis de vous présenter notre dix-septième Bulletin Concurrence, qui couvre l’actualité française en matière de droit de la concurrence pour la période de janvier à avril 2026.

Nous vous souhaitons une excellente lecture et espérons que ce panorama vous apportera des éclairages utiles pour naviguer dans un environnement concurrentiel en constante évolution.

L’Équipe Concurrence de McDermott Will & Schulte – Paris.

Contentieux

Perquisitions pénales & droit au recours : QPC tranchée dans l’affaire Legrand

Par un arrêt du 14 janvier 2026 (n°25-40.031), la chambre commerciale de la Cour de cassation a renvoyé au Conseil constitutionnel une question prioritaire de constitutionnalité (« QPC ») portant sur les articles 92 à 99-5 du Code de procédure pénale, dans leur version applicable aux perquisitions pénales réalisées au sein du groupe Legrand en septembre 2018. Cette QPC a conduit à la décision n°2026-1190 QPC du 10

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