Wettbewerbsrecht Blog

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

Der CoRe Blog bietet ein Austauschformat für aktuelle Analysen der Entwicklungen im EU-Wettbewerbsrecht. offizieller Blog der vierteljährlich erscheinenden, mit einem doppelten Peer-Review-Verfahren versehenen Zeitschrift European Competition and Regulatory Law Review (CoRe), füllt der CoRe-Blog die Lücken, die eine viermal jährlich erscheinende Zeitschrift nicht schließen kann: Neuigkeiten und Analysen der Entwicklungen im EU-Wettbewerbs- und Regulierungsrecht.

Jetzt abonnieren!

Case Digests ×

Slack v. Microsoft – more than just another tying case

The recent wave of claims against digital giants appears to have completed a circle with Slack’s recent claim against Microsoft for allegedly abusing its dominant position by tying Microsoft Teams to the Office 365 software package. One cannot deny the resemblance between this claim and the previous tying cases Microsoft had faced, however, upon closer look Slack’s claim is much […]

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 […]

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 […]

Online platforms and refusal to deal – Unlockd vs. Google – a seminal case in the making?

The recent standoff between advertisement application developer Unlockd and Google, concerning the removal of Unlockd from the Google Play Store and AdMob marketplace, may turn out to be one of the most important competition law cases of the year. This case, which will likely require a competition law review of Google’s terms and conditions for these platforms, provides the opportunity […]
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 ×

Slack v. Microsoft – more than just another tying case

The recent wave of claims against digital giants appears to have completed a circle with Slack’s recent claim against Microsoft for allegedly abusing its dominant position by tying Microsoft Teams to the Office 365 software package. One cannot deny the resemblance between this claim and the previous tying cases Microsoft had faced, however, upon closer look Slack’s claim is much […]

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 […]

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 […]

Online platforms and refusal to deal – Unlockd vs. Google – a seminal case in the making?

The recent standoff between advertisement application developer Unlockd and Google, concerning the removal of Unlockd from the Google Play Store and AdMob marketplace, may turn out to be one of the most important competition law cases of the year. This case, which will likely require a competition law review of Google’s terms and conditions for these platforms, provides the opportunity […]

Case Digests ×

Slack v. Microsoft – more than just another tying case

The recent wave of claims against digital giants appears to have completed a circle with Slack’s recent claim against Microsoft for allegedly abusing its dominant position by tying Microsoft Teams to the Office 365 software package. One cannot deny the resemblance between this claim and the previous tying cases Microsoft had faced, however, upon closer look Slack’s claim is much […]

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 […]

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 […]

Online platforms and refusal to deal – Unlockd vs. Google – a seminal case in the making?

The recent standoff between advertisement application developer Unlockd and Google, concerning the removal of Unlockd from the Google Play Store and AdMob marketplace, may turn out to be one of the most important competition law cases of the year. This case, which will likely require a competition law review of Google’s terms and conditions for these platforms, provides the opportunity […]

Sie möchten einen Beitrag einreichen oder zur Weiterentwicklung des CoRe Blogs beitragen? Weitere Details finden Sie auf der englischsprachigen Seite.

Gastbeitrag einreichen

Abonnieren Sie unseren Newsletter für aktuelle Informationen zu Entwicklungen, Konferenzen, Seminaren und Veröffentlichungen in Ihrem Interessenbereich.

Newsletter: Jetzt abonnieren