LAWYER PROFILE

Thorsten Mäger

Germany 2026

Hengeler Mueller

Ranked in 1 practice area

Competition/European Law

Germany

19 years ranked

Contributions and articles

1 Articles, Press releases, highlights

About

Provided by Hengeler Mueller

Practice Areas

Thorsten has a broad competition law practice covering merger control proceedings, abuse of dominance and cartel investigations, compliance trainings/audits, follow-on damage claims litigation and aspects of the day-to-day business. He represents clients before the European Commission, the German Federal Cartel Office, and the European and German courts.

Career

Following internships at the German Federal Cartel Office and the Cartel Senate of the Berlin Court of Appeal, Thorsten joined Hengeler Mueller in 1996 (partner since 2001). 1998/99 he was a foreign associate at a London law firm.

Professional Memberships

Association for Competition Law Studies (Board Member).

Publications

‘Europäisches Kartellrecht’ (European Competition Law), 2nd edition 2011; ‘Commentary on German Merger Control’, 4th edition 2022.

Chambers Review

Provided by Chambers

Chambers Germany

Competition/European Law - Germany

Band 1

Individual Editorial

One of the leading figures in the German competition law market, Thorsten Mäger acts for clients on high-profile follow-on damages actions. He also represents clients in investigations into alleged abuses of dominance or cartel involvement. He is a popular choice with clients in the technology sector. He also has a strong reputation in the field of merger clearance filings.

Indviduelles Editorial

Thorsten Mäger, eine der führenden Persönlichkeiten im deutschen Kartellrecht, vertritt Mandanten in hochkarätigen Schadenersatzverfahren. Er berät Mandanten auch in Ermittlungsverfahren wegen mutmaßlichen Missbrauchs einer marktbeherrschenden Stellung oder Kartellbeteiligung. Besonders im Technologiesektor ist er eine gefragte Wahl. Darüber hinaus genießt er einen hervorragenden Ruf im Bereich der Fusionskontrollanmeldungen.

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Strengths

Provided by Chambers

He is certainly among the best in the market.
Competition/European LawChambers Germany
Thorsten Mäger is probably the most versatile competition lawyer I know.
Competition/European LawChambers Germany
Thorsten Mäger is someone with considerable breadth and who is very good in merger investigations.
Competition/European LawChambers Germany
He has vast experience and is always very helpful.
Competition/European LawChambers Germany
For complex, tricky questions, I often recommend Thorsten Mäger.
Competition/European LawChambers Germany
Thorsten Mäger verfügt über ein breites Fachwissen und ist besonders kompetent in Fusionsuntersuchungen.
Competition/European LawChambers Germany