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Competition Lawyers

Our competition law expertise stretches back almost 40 years. With some 140 competition lawyers, thereof more than 35 in Germany, the competition practice group of the CMS organisation is present in more than 20 European jurisdictions and in China.

We aim to provide our clients with pragmatic solutions, not merely to list risks. What sets our competition lawyers apart is their thorough understanding of economic interests, their focus on specific industries and years of experience acquired in numerous proceedings before European and German competition authorities and courts.

We have an excellent working relationship with officials at the German competition authorities and the European Commission. With our Brussels office we always have an ear on the ground and are well placed to represent our clients' interests before the European Commission. Having competition lawyers in more than 20 European jurisdictions within the CMS organisation enables us to offer our clients a unique pan-European perspective for their cross-border and international businesses and projects.

Our competition lawyers are highly regarded experts who publish widely in their field.

Main Focus

  • Merger control
    • European Commission
    • German Federal Cartel Office
    • EU-wide and worldwide coordination of multinational proceedings
  • Cartel proceedings / fine proceedings such as
    • Assistance during dawn raids
    • Representation in cartel proceedings
    • Leniency applications
    • Settlement proceedings
    • EU-wide and worldwide coordination of multinational proceedings
  • Litigation
    • Courts of the European Union
    • German Courts, including civil law damages claims ("follow-on-claims")
  • Abuse of dominance such as
    • Prices and rebates
    • Refusal to supply
    • Representation in proceedings for abuse of dominance
  • Distribution such as
    • Distribution systems
    • Internet distribution
    • Selective distribution
    • Allocation of customers or territories
  • Cooperation agreements such as
    • Joint venture agreements
    • Research and development agreements
    • Joint purchasing agreements
  • Compliance such as
    • Setting up and implementing compliance programs
    • Competition law training
    • Competition law audits
  • Regulated markets such as energy (electricity, gas), telecommunications, water, etc.
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Language spoken


Michael Bauer
Dr. Michael Bauer
Head of the CMS Competition & EU Group
Belgium, Brussels
German and European competition law, German and European merger control law, coordination of multinational merger control notifications in the EU and worldwide, state aid, compliance, general EU lawBorn...
Christian Friedrich Haellmigk
Dr. Christian Friedrich Haellmigk, LL.M. (College of Europe)
Germany, Stuttgart
Christian Haellmigk specialises in EU and German competition law and in energy law. His competition practice focuses on complex merger control cases, in particular multijurisdictional filings, and on...
Rolf Hempel
Dr. Rolf Hempel
Rechtsanwalt | Head of Competition & EU, CMS Germany
Germany, Stuttgart
Rolf Hempel specialises in German and EU competition law including merger control. He advises companies on all competition law issues, including compliance, and represents companies in merger control...
Björn Herbers
Dr. Björn Herbers, M.B.L.
Belgium, Brussels
Björn Herbers advises on all aspects of European and German competition law. He has more than ten years of experience in complex proceedings before the European Commission and furthermore regularly represents...
Harald Kahlenberg
Dr. Harald Kahlenberg
Germany, Stuttgart
Harald Kahlenberg has long-standing experience advising his clients on EU and German merger control and competition law cases and in numerous merger control proceedings, he obtained approval from the...
Stefan Lehr
Stefan Lehr
Germany, Frankfurt
Stefan Lehr specialises in merger control and has many years of experience advising on cross-border merger control proceedings. He represents his clients – among those companies in the machine and plant...
Jens Neitzel
Dr. Jens Neitzel
Germany, Munich
Jens Neitzel advises German as well as internationally operating companies in regulated industries, particularly in the telecoms, postal, rail and media sectors. Drawing on his proven regulatory and competition...
Kai Neuhaus
Kai Neuhaus, LL.M.
Belgium, Brussels
Kai Neuhaus specialises in competition and trade law, with a focus on the digital business. He advises and represents companies in all proceedings before the EU Commission, the German Federal Cartel Office...
Dietmar Rahlmeyer
Dr. Dietmar Rahlmeyer
Germany, Duesseldorf
Dietmar Rahlmeyer‘s practice concentrates on antitrust, compliance and commercial law matters. He has long-standing experience advising his clients on and representing them in cartel fine proceedings...
Tim Reher
Dr. Tim Reher, M.Jur. (Oxford)
Germany, Hamburg
Tim Reher advises companies on all aspects of competition law, with a focus on fine proceedings and civil law damages claims. Together with his team, he has handled numerous damages cases, acting for...