Dr. Stefan Horn, LL.B.

Hambourg Allemagne

Prix à l'honneur

Legal 500 2025

Recommended lawyer for antitrust

Stefan is a member of the Practice Area Competition, EU & Trade and advises on all questions of German and EU competition law. Stefan´s main focus is on advising on stand-alone/follow-on civil competition law proceedings, in particular cartel damage claims, on both the claimant and defendant side.

A further focus of his practice is advising on competition law issues related to the digitalization of the economy, such as advice on digital distribution and business models, including advice on the Digital Markets Act. Furthermore, Stefan Horn has in-depth knowledge and experience in the application of competition law in the energy, chemical and sports sector.

Expertise

Services et Groupes

Concurrence, UE & commerce

Conformité à la concurrence

Litiges en matière de concurrence, y compris les litiges relatifs aux dommages-intérêts pour entente

Secteurs

Énergie et infrastructure

Technologie, Médias et Communications (TMC)

IoT

CV

Since 2020 Salary Partner, Taylor Wessing

2018 – 2020 Senior Associate, Taylor Wessing

2016 – 2018 Associate, Taylor Wessing

Carrière

Since 2020 Salary Partner, Taylor Wessing

2018 – 2020 Senior Associate, Taylor Wessing

2016 – 2018 Associate, Taylor Wessing

Formation

2015 Doctoral degree, dissertation on 'The application of European competition law to sport', Bucerius Law School, Hamburg

2013 Admitted to the Bar, Hamburg

2013 Second state examination

Publications

ECJ referral on the admissibility of player agent regulations, comment on BGH, 13 June 2023 - KZR 71/21, in: GRUR-Prax 2023, 542

Prerequisites for the claim for information and disclosure under competition law, comment on BGH, judgement of 4 April 2023 - KZR 20/21, in: GRUR-Prax 2023, 512

Kartellrechtlicher Zugangsanspruch einer Werkstatt zum Vertragswerkstattnetz – LG Köln, Urt. v. 22.12.2022 – 33 O 8/22, March 2023, RAW, together with Lena Rindsfus

Admissibility of declaratory action for cartel damages, comment on OLG Frankfurt a. M., judgement of 5 August 2021 - 11 U 67/18 (Kart), in: GRUR-Prax 2021, 726

The Facebook Decision of the German Federal Court of Justice – a Compass for the Control of Abusive Behaviour? in ZWeR 2021, pp. 78-120, (together with M. Nagel)

Cartel damages claims by insolvency debtors: Hidden reserves in the insolvency estate, in: NZI 2020, pp. 932-936

Competition Law for the Digital Single Market, PlugIn – Rethinking the laws of the digital future, edition #31, September 2020

Alternative Energy & Power 2019 – Germany; Chambers and Partners Global Practice Guide 2019

Digital platforms in merger control, PlugIn – Rethinking the laws of the digital future, edition #21, May 2019

National provision on compliance measures remedying the consequences of misconduct in the procurement procedure compatible with Union law, commentary on ECJ, 24.10.2018, C-124/17, in: EuZW 2019, pp. 298-299 (together with M. Götz)

Exclusion from participation in a procurement procedure due to competition law infringement and compliance measures remedying the consequences of misconduct, in: EuZW 2018, pp. 13-21 (together with M. Götz)

International jurisdiction of German Courts for liability to recourse of cartel members as joint and several debtors, comment to OLG Hamm, 01.12.2016, 32 SA 43/16, in: IWRZ 2017, number 2, pp. 87-89

Application of European competition law to sport, Duncker & Humblot, 2016

Meca-Medina – European competition law and sport in: Vieweg (editor), Inspirations of sports law, Duncker & Humblot, 2016, pp. 275-306