Dr Christian Karbaum

Partner | Competition | Lawyer since 2010

Phone: +49 211 20052-160
Fax: +49 211 20052-100
Email: c.karbaum(at)glademichelwirtz.com

Alina Middelberg

V-Card Dr Christian Karbaum

Short Profile

Christian Karbaum is a partner at GLADE MICHEL WIRTZ in the COMPETITION practice. He advises German and international clients on issues relating to German and European competition law. His practice focuses on merger control proceedings, cartel investigations, compliance advice and litigation, particularly in the enforcement and defence of cartel damages claims as well as claims in the context of dominance.

Christian Karbaum studied law at the University of Osnabrück and at the Université Paris-Est Créteil Val de Marne. His doctorate thesis regarding "Competition law compliance – Legal foundations and implementation", which was supervised by Prof Dr Fuchs, University of Osnabrück, was sponsored with a scholarship from the "Business and Law Working Group" in the Stifterverband für die Deutsche Wissenschaft. Christian Karbaum is a founding member and academic advisor of the CUR Centre for Corporate Law at the University of Osnabrück e.V., a member of the Studienvereinigung Kartellrecht e.V. and the C.L.F. Competition Litigation Forum e.V. He speaks German (mother tongue) and English and has a good knowledge of French.

Christian Karbaum spends as much time as possible with his wife and two sons, friends, sports (cycling, running, hiking), and literature.



  • Defence of companies and individuals in cartel investigations (including the cases "special mining services", "rail technology", "power transformers", "mill cartel", and "food retail" before the Federal Cartel Office)
  • Litigation: Defence and enforcement of cartel damage claims (defence e.g. in the cartel cases "rail technology", "beer", "flour", "drugstore products", "sanitary fittings", "sausages", "retail food packaging", "air cargo", and "gas insulated switchgears" as well as enforcement of claims of individual claimants in the cases "aluminium forges", "building equipment cartel", "stainless steel", "heavy plates", "air cargo" and "fire-fighting vehicles"), defence and enforcement of other antitrust claims (e.g. supply or access claims in the context of dominance), as well as advising e.g. Samsung in the context of the enforcement of standard-essential patents (e.g. in negotiations, litigation, and investigations by the European Commission) 
  • Administrative matters: representation of companies like Deutsche Telekom AG (e.g. in the context of the acquisition of Unitymedia by Vodafone) as well as a fuel supplier in administrative and court proceedings following third-party complaints before the European Commission, the Federal Cartel Office and both national and European courts
  • Merger control/Advice on the preparation and implementation of mergers, e.g. to Provinzial Rheinland on its merger with Provinzial Nordwest; United Internet AG on its takeover bid for Telecolumbus AG, the acquisition of Strato AG and Drillisch AG or the creation of an affiliate marketing network (AWIN AG) with Axel Springer; Haniel in the acquisition of Emma Sleep ("Bettzeit"), Rovema or Rentokil Initial's Continental European business; AHG in the sale of its clinic operations to Median; private equity funds such as Oakley Capital or Vitruvian Partners on their investments etc.
  • Compliance: Advice on the negotiation and implementation of cooperation agreements between competitors, on the development and evaluation of compliance organisations (investigation) as well as advice on distribution systems


  • Karbaum, in: Rübenstahl/Hahn/Voet van Vormizeele, Kartell Compliance, 2 Chapter, Vertikale Vereinbarungen
  • Karbaum, Massenklage à la USA hat es in Deutschland schwer, PLATOW RECHT, 21 August 2019, guest commentary
  • Karbaum/Schulz, Wirksamer Wettbewerbsschutz im Zeitalter digitaler Ökosysteme, NZKart 2019, 407 ff.
  • Karbaum, Kartellrechtliche Missbrauchsaufsicht: Bundeskartellamt bremst Facebook aus; Der Betrieb 2019, 1072
  • Karbaum/Schulz, Ecosystems – New challenges for competition law enforcement, European Commission, Public consulation re "shaping competition policy in the era of digitalisation", http://ec.europa.eu/competition/scp19/, 2018
  • Karbaum, EuGH zu Rekordbußgeld für Intel: Die Krux mit den Treuerabatten, Legal Tribune Online, 07.09.2017
  • Karbaum, EuG hebt Verbot der Übernahme von TNT durch UPS auf: Unentschädigt ausgebremst? Legal Tribune Online, 07.03.2017
  • Karbaum, Kartellrechts-Compliance – Mehr Fragen als Antworten nach einer Dekade intensiver Diskussion der Compliance-Verantwortung des Vorstands? AG, 23/2013, 863 ff.
  • Karbaum, Kartellrechtliche Compliance – Rechtsgrundlagen und Umsetzung, 2010, Dissertation