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Dr. Jan Markus Weber

Dr. Jan Markus Weber is a lawyer with Hausfeld in Berlin. He advises clients, primarily of the internet economy, on EU and German competition law, in particular with regard to dominant online-platforms such as Google or Amazon as well as on all issues relating to ‘big data’.

Before joining Hausfeld, Jan was a trainee in the competition law department of a leading international law firm in Berlin, the German Federal Ministry of Transport and Digital Infrastructure as well as in an internationally operating hard- and software company.

As a research assistant at the Institute for International Business Law of the University of Münster, he assisted one of the editors of the leading German Journal of Competition Law and Economics (“WuW”).

His competition law dissertation on abuse of market power deals with various questions of competition in digital markets, the principles of information and data processing as well as other characteristics of the internet economy. Jan is fluent in German and English.

Practice Areas


Bar Exam / 2nd State Exam, Berlin

Ph.D., University of Münster, North Rhine-Westphalia

LL.B. / 1st State Exam, North Rhine-Westphalia

Bar Admissions

Rechtsanwalt, Germany


Co-Author, “The modernization of the law on abuse of dominance according to the draft bill for a 10th amendment of the German competition act” (in German)Kommunikation & Recht January 2020

Zugang zu den Softwarekomponenten der Suchmaschine Google nach Art. 102 AEUV („Access to the software components of the Google search engine according to Art. 102 TFEU”), Nomos Verlagsgesellschaft 2017 – awarded with the Harry-Westermann-Price of the University of Münster

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