Badmouthing Your Competitor’s Products: When Does Denigration Become an Antitrust Issue?

Written By

morten nissen Module
Morten Nissen

Partner
Denmark

I'm a partner and co-head of our international Competition & EU group. I also lead the Competition & EU team in Denmark. I have a particular focus on applying competition & EU law as a tool to achieve specific and measurable business objectives for our clients.

In this article, published in the American Bar Association’s publication Antitrust Source, authors Morten Nissen and Frederik Haugsted explore a new form of abusive conduct that has been identified and pursued by different competition authorities across Europe in the past decade, and examine the evolving case law in addressing claims that dominant firms can violate Article 102 of the Treaty on the Functioning of the European Union through ‘denigration’ - disseminating negative information to customers about their competitors’ products.

Read the full article here

This article won the 2021 Antitrust Writing Award, instituted by leading competition law publisher Concurrences and The George Washington University Law School, in the category ‘Business Articles – Unilateral Conduct’.

Latest insights

More Insights
featured image

Belgium – Lessons learnt after two years of FDI screening: data takes centre stage

5 minutes Oct 15 2025

Read More
featured image

Patent Litigation in Practice Series: Spotlight on the Czech Republic – Preliminary Injunctions

5 minutes Sep 30 2025

Read More
Competition and EU

Competitive Edge: Competition & EU Law - September 2025

Sep 24 2025

Read More