LAWYER PROFILE
Thorsten Mäger

Thorsten Mäger

Global 2026

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Ranked in 1 practice area

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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.

In merger control, Thorsten has been involved in numerous high-profile cases including A. P. Møller-Mærsk/CMA CGM/MSC ("P3"); Applied Materials/Tokyo Electron; Arla Foods/MUH; BHP Billiton/Rio Tinto; Carl Zeiss/EQT/Sola; E.ON/Endesa; GEA/Lentjes; KLA-Tencor/ADE; OMV/MOL; Shell/RWE Dea; Siemens/Bayer Diagnostics; Telefónica/E-Plus; and VW/MAN.

Thorsten frequently represents companies and board members in cartel proceedings. He has represented clients in the following investigations: chipboard, decorative paper, fittings, freight forwarding, hydrants, luxury cosmetics, mattresses, motors, ophthalmic lenses, PU-foam, rail track and switches, road asphalt, sausages, specialist mining services, sugar, trading of heavy fuel oil for sea going ships, sanitary ware wholesaling, steel, trading of specialized building materials, trucks, and wallpaper.

In recent years, Thorsten has been heavily involved in representing clients in follow-on damage claim cases including settlement negotiations, litigation and arbitration. In landmark proceedings concerning the access to file to leniency statements by customers (Pfleiderer case), he has represented a client before the European Court of Justice and the German courts.

In day-to-day business, Thorsten has considerable experience in issues concerning online distribution and platform markets as well as aspects relating to the interface between competition and IP law, e.g. the compulsory licence defence in patent proceedings.

Thorsten is a member of the advisory board of the Institute for Competition Law at the Heinrich-Heine-University Düsseldorf, and is co-editor of NZKart (Neue Zeitschrift für Kartellrecht).

Chambers Review

Provided by Chambers

Chambers Global Guide

Competition/European Law - Germany

Band 1
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.

Strengths

Provided by Chambers

  • Thorsten Mäger is someone with considerable breadth and who is very good in merger investigations.

    Competition/European LawChambers Global Guide
  • Thorsten Mäger is probably the most versatile competition lawyer I know.

    Competition/European LawChambers Global Guide
  • He is certainly among the best in the market.

    Competition/European LawChambers Global Guide
  • For complex, tricky questions, I often recommend Thorsten Mäger.

    Competition/European LawChambers Global Guide
  • He has vast experience and is always very helpful.

    Competition/European LawChambers Global Guide

Ranked Individuals at Hengeler Mueller (36)

Belgium

Germany

Articles, Highlights and Press Releases

1 item provided by Hengeler Mueller

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