Competition law Blog

Official Blog of the European Competition and Regulatory Law Review (CoRe)

The CoRe Blog is the interactive online platform for up-to-date analysis of EU competition law developments. It’s the blog companion of the quarterly double-blind peer-reviewed European Competition and Regulatory Law Review (CoRe). The CoRe Blog fills in the gaps that a quarterly can’t address: immediate updates and analysis of breaking news in EU competition.

Subscribe now!

Case Digests ×

Case C-264/23 Booking.com – Ancillary restraints and market definition in the platform economy

The recent judgment of the CJEU in Booking.com represents yet another development in the long series of cases concerning price parity clauses in the platform economy. In Booking.com’s case, the judgment represents the end of the line for its parity clauses. In its greater context of applying EU competition law in the digital economy, the judgment offers new insights into […]

Microsoft III – Paving The Way To A Tying Trilogy?

This summer the European commission (finally) announced it will start a formal investigation against Microsoft following Slack’s complaint concerning the (abusive) tying or bundling or Teams to the Microsoft and Office 365 suites. Not long after, Microsoft came out with an official statement concerning the changes in its pricing and distribution strategy  of Teams it will introduce in order to […]

Why you (often) don’t need the essential facility doctrine in the digital economy? – Interpreting Lithuanian Railways and Slovak Telekom

The insights from Lithuanian Railways and Slovak Telekom may have serious implications for the application of the Oscar Bronner case law in the future. These insights may prove, however, to have the most value in the digital economy where it would appear that the essential facility doctrine might often not even be needed – not even in the case of […]

Epic v Apple (2): market power and foreclosure in the app distribution market(s)

Epic’s battle against Apple has been extensively covered in media in the past month. This attention is undoubtedly due to Epic’s explicit move against Apple’s terms and conditions as well as Apple’s fierce reaction to cut all ties with Epic. Epic’s legal dispute is, however, not only against Apple but also against Google who has removed Epic from its Play […]

The return of the MFN clauses – platform ranking as an enforcement mechanism for price parity

The MFN cases of the past few years have delivered a series of uncoordinated cases that created a fragmented approach towards MFN clauses. Nowadays it would appear that there is a growing consensus in Europe that wide MFN clauses should be prohibited which, also led major platform like Expedia to abandon these pricing strategies. The recent claim put forward by […]

Business users vs. platforms – a (not entirely) new battle frontier

The recent complaint of Spotify against Apple is yet another case concerning the contractual relationship between online platforms and their business users that appear to arise quite often these days. In the context of these cases the business users of online platforms claim to be subject to undesired practices such discriminatory treatment and unreasonable pricing. The essence of most of these complaints […]

Apple’s App Store commission fee and (anti-competitive) governance: when a platform’s zero-pricing strategy becomes expensive

These days Apple is at the Supreme Court trying to defend its pricing scheme for the App Store, which is currently under fire for being potentially abusive with respect consumers that end up paying perhaps quite a bit more for their apps than they should. Although it is uncertain whether the claimants will be allowed to proceed with the claim, […]

Market definition for two-(or multi) sided platforms – demand interdependence and substitution as guiding principles

The past year has led to a lot of discussion on the relation between competition law and (online) platforms and a lot of disagreement on how competition law should apply in such cases as displayed by comments on the major cases of Amex and Google. Unsurprisingly, one of the most contentious aspects of these cases was the market definition. It […]

Price monitoring software and competition – new possibilities for RPM in absence of sufficient deterrence

Shortly after the dropping the A-bomb on Google for its alleged tying practices, the Commission imposed fines of over €111 million on Asus, Denon & Marantz, Philips and Pioneer for fixing the minimum resale prices of their online retailers. This recent case shows that the Commission is serious about taking on competition law infringements in the online sphere, however, it […]

Tales of two-sided markets, market definitions and anti-competitive effects – insights from Ohio v. American Express

  The case of Ohio v. Amex is the final phase of a long legal battle that started back in 2010 where Amex was accused of infringing section 1 of the Sherman Act for imposing its anti-steering provisions on merchants accepting Amex. While not delivering on all fronts, the case of Amex is an important one in the context of […]
Anja Naumann

Blog Editor

LL.M., PhD, currently legal trainee at the Higher Regional Court of Berlin.

>> Anja’s CoRe Blog posts >>

Daniel Mandrescu
Blog editor Assistant Professor EU competition law, Europa Institute, Leiden University >> Daniel's CoRe blog posts >>
Friso Bostoen

Blog Editor

Assistant Professor of Competition Law and Digital Regulation, Tilburg University

Friso Bostoen is an assistant professor of competition law and digital regulation at Tilburg University. Previously, he was a Max Weber Fellow at the European University Institute. He holds degrees from KU Leuven (PhD, LLM) and Harvard University (LLM). Friso’s research focuses on antitrust enforcement in digital markets. His work has resulted in numerous international publications, presentations, and awards (including the AdC Competition Policy Award 2019 and the Concurrences PhD Award 2022). In addition, Friso edits the CoRe Blog and hosts the Monopoly Attack podcast.

>> Friso’s CoRe Blog posts >>

Nelly Stratieva

Head of Editorial Department and Data Protection Officer

Responsible for EStAL (European State Aid Law Quarterly), EPPPL (European Public Private Partnership Law Review) and CoRe (European Competition and Regulatory Law Review). Overseeing Lexxion Publisher’s privacy and data protection compliance.

Parsa Tonkaboni
Picture Rita Paukste
Rita Paukste

Former Blog Editor

Senior Associate, Motieka & Audzevicius PLP, Vilnius

>> Rita’s CoRe Blog posts >>

Case Digests ×

Case C-264/23 Booking.com – Ancillary restraints and market definition in the platform economy

The recent judgment of the CJEU in Booking.com represents yet another development in the long series of cases concerning price parity clauses in the platform economy. In Booking.com’s case, the judgment represents the end of the line for its parity clauses. In its greater context of applying EU competition law in the digital economy, the judgment offers new insights into […]

Microsoft III – Paving The Way To A Tying Trilogy?

This summer the European commission (finally) announced it will start a formal investigation against Microsoft following Slack’s complaint concerning the (abusive) tying or bundling or Teams to the Microsoft and Office 365 suites. Not long after, Microsoft came out with an official statement concerning the changes in its pricing and distribution strategy  of Teams it will introduce in order to […]

Why you (often) don’t need the essential facility doctrine in the digital economy? – Interpreting Lithuanian Railways and Slovak Telekom

The insights from Lithuanian Railways and Slovak Telekom may have serious implications for the application of the Oscar Bronner case law in the future. These insights may prove, however, to have the most value in the digital economy where it would appear that the essential facility doctrine might often not even be needed – not even in the case of […]

Epic v Apple (2): market power and foreclosure in the app distribution market(s)

Epic’s battle against Apple has been extensively covered in media in the past month. This attention is undoubtedly due to Epic’s explicit move against Apple’s terms and conditions as well as Apple’s fierce reaction to cut all ties with Epic. Epic’s legal dispute is, however, not only against Apple but also against Google who has removed Epic from its Play […]

The return of the MFN clauses – platform ranking as an enforcement mechanism for price parity

The MFN cases of the past few years have delivered a series of uncoordinated cases that created a fragmented approach towards MFN clauses. Nowadays it would appear that there is a growing consensus in Europe that wide MFN clauses should be prohibited which, also led major platform like Expedia to abandon these pricing strategies. The recent claim put forward by […]

Business users vs. platforms – a (not entirely) new battle frontier

The recent complaint of Spotify against Apple is yet another case concerning the contractual relationship between online platforms and their business users that appear to arise quite often these days. In the context of these cases the business users of online platforms claim to be subject to undesired practices such discriminatory treatment and unreasonable pricing. The essence of most of these complaints […]

Apple’s App Store commission fee and (anti-competitive) governance: when a platform’s zero-pricing strategy becomes expensive

These days Apple is at the Supreme Court trying to defend its pricing scheme for the App Store, which is currently under fire for being potentially abusive with respect consumers that end up paying perhaps quite a bit more for their apps than they should. Although it is uncertain whether the claimants will be allowed to proceed with the claim, […]

Market definition for two-(or multi) sided platforms – demand interdependence and substitution as guiding principles

The past year has led to a lot of discussion on the relation between competition law and (online) platforms and a lot of disagreement on how competition law should apply in such cases as displayed by comments on the major cases of Amex and Google. Unsurprisingly, one of the most contentious aspects of these cases was the market definition. It […]

Price monitoring software and competition – new possibilities for RPM in absence of sufficient deterrence

Shortly after the dropping the A-bomb on Google for its alleged tying practices, the Commission imposed fines of over €111 million on Asus, Denon & Marantz, Philips and Pioneer for fixing the minimum resale prices of their online retailers. This recent case shows that the Commission is serious about taking on competition law infringements in the online sphere, however, it […]

Tales of two-sided markets, market definitions and anti-competitive effects – insights from Ohio v. American Express

  The case of Ohio v. Amex is the final phase of a long legal battle that started back in 2010 where Amex was accused of infringing section 1 of the Sherman Act for imposing its anti-steering provisions on merchants accepting Amex. While not delivering on all fronts, the case of Amex is an important one in the context of […]

Case Digests ×

Case C-264/23 Booking.com – Ancillary restraints and market definition in the platform economy

The recent judgment of the CJEU in Booking.com represents yet another development in the long series of cases concerning price parity clauses in the platform economy. In Booking.com’s case, the judgment represents the end of the line for its parity clauses. In its greater context of applying EU competition law in the digital economy, the judgment offers new insights into […]

Microsoft III – Paving The Way To A Tying Trilogy?

This summer the European commission (finally) announced it will start a formal investigation against Microsoft following Slack’s complaint concerning the (abusive) tying or bundling or Teams to the Microsoft and Office 365 suites. Not long after, Microsoft came out with an official statement concerning the changes in its pricing and distribution strategy  of Teams it will introduce in order to […]

Why you (often) don’t need the essential facility doctrine in the digital economy? – Interpreting Lithuanian Railways and Slovak Telekom

The insights from Lithuanian Railways and Slovak Telekom may have serious implications for the application of the Oscar Bronner case law in the future. These insights may prove, however, to have the most value in the digital economy where it would appear that the essential facility doctrine might often not even be needed – not even in the case of […]

Epic v Apple (2): market power and foreclosure in the app distribution market(s)

Epic’s battle against Apple has been extensively covered in media in the past month. This attention is undoubtedly due to Epic’s explicit move against Apple’s terms and conditions as well as Apple’s fierce reaction to cut all ties with Epic. Epic’s legal dispute is, however, not only against Apple but also against Google who has removed Epic from its Play […]

The return of the MFN clauses – platform ranking as an enforcement mechanism for price parity

The MFN cases of the past few years have delivered a series of uncoordinated cases that created a fragmented approach towards MFN clauses. Nowadays it would appear that there is a growing consensus in Europe that wide MFN clauses should be prohibited which, also led major platform like Expedia to abandon these pricing strategies. The recent claim put forward by […]

Business users vs. platforms – a (not entirely) new battle frontier

The recent complaint of Spotify against Apple is yet another case concerning the contractual relationship between online platforms and their business users that appear to arise quite often these days. In the context of these cases the business users of online platforms claim to be subject to undesired practices such discriminatory treatment and unreasonable pricing. The essence of most of these complaints […]

Apple’s App Store commission fee and (anti-competitive) governance: when a platform’s zero-pricing strategy becomes expensive

These days Apple is at the Supreme Court trying to defend its pricing scheme for the App Store, which is currently under fire for being potentially abusive with respect consumers that end up paying perhaps quite a bit more for their apps than they should. Although it is uncertain whether the claimants will be allowed to proceed with the claim, […]

Market definition for two-(or multi) sided platforms – demand interdependence and substitution as guiding principles

The past year has led to a lot of discussion on the relation between competition law and (online) platforms and a lot of disagreement on how competition law should apply in such cases as displayed by comments on the major cases of Amex and Google. Unsurprisingly, one of the most contentious aspects of these cases was the market definition. It […]

Price monitoring software and competition – new possibilities for RPM in absence of sufficient deterrence

Shortly after the dropping the A-bomb on Google for its alleged tying practices, the Commission imposed fines of over €111 million on Asus, Denon & Marantz, Philips and Pioneer for fixing the minimum resale prices of their online retailers. This recent case shows that the Commission is serious about taking on competition law infringements in the online sphere, however, it […]

Tales of two-sided markets, market definitions and anti-competitive effects – insights from Ohio v. American Express

  The case of Ohio v. Amex is the final phase of a long legal battle that started back in 2010 where Amex was accused of infringing section 1 of the Sherman Act for imposing its anti-steering provisions on merchants accepting Amex. While not delivering on all fronts, the case of Amex is an important one in the context of […]

How to Submit a Blog Post

Do you want to share your analysis of a competition law topic? We invite you to submit your post on, for example: recent European, national or international judgments or legislation with relevance to EU competition law; new developments, publications, hot topics in EU competition law. The recommended length of the post is 500-2,000 words incl. references (endnotes). Your analysis will be published under the category ‘Guest Blog’.

Here’s how you can publish a post on the Blog as a guest author:

Step 1: Submit your draft.

Step 2: We at Lexxion will review your draft to make sure its content and quality fit the blog. If needed, they will suggest what improvements you should make.

Step 3: Once your draft has been finalised and accepted, we will publish your post.

Submit your guest blog post

Subscribe to our newsletter for updates on legal developments, upcoming conferences, workshops, and publications in your areas of interest.

Newsletter: Subscribe now