Maren Müller-Mergenthaler, LL.M.

Rechtsanwältin (German lawyer)
Fachanwältin (specialised lawyer) for industrial property rights LL.M. (European law)

  • Trademarks, company names and domains
  • Competition law
  • Design and copyright law
  • Patents and utility models
  • Anti-trust law
  • Contract and license law
  • Real estate law

Languages: German, English, French, Swedish


Areas of focus

  • Consultancy services on property rights and strategies in trademark and design law, such as research, registration of property rights, monitoring of infringements, objections, nullity proceedings.
  • Representation out-of-court and in court in matters relating to trademarks, competition, copyrights and designs, in particular injunctions.
  • Compilation and examination of contracts, in particular license agreements.
  • Long-term experience in consultancy regarding all issues relating to industrial property rights for medium-sized and listed companies.

Professional career

  • Studies of law at universities in Trier, Lyon II, Lausanne and Cologne
  • Master of Laws (LL.M.) in European law at the university of Stockholm
  • Trainee stage with the Directorate General Internal Market and Services of the European Commission in Brussels
  • Training stage with the German cartel authority (Bundeskartellamt) in Bonn and with international corporate law firms in Cologne and Düsseldorf
  • Since 2003, partner at Kreuzkamp & Partner
  • Since 2008, Fachanwalt (specialised lawyer) for industrial property rights (trademarks, competition, copyrights, patents and designs)
  • Executive manager of an aircraft chartering company

Legal representation

  • All German Amtsgerichte (local courts), Landgerichte (regional courts) and Oberlandesgerichte (higher regional courts)
  • German patent and trademark office (DPMA)
  • European Patent Office
  • German federal patent court (Bundespatentgericht)
  • Office for Harmonization in the Internal Market (OHIM, Alicante)
  • World Intellectual Property Organisation (WIPO, Geneva)


  • German association for industrial property rights and copyright law (GRUR)
  • Swedish chamber of trade and commerce

Other commitments

  • Deutscher Retriever Club e.V.
  • VITA Assistenzhunde e.V.
  • Kreisjägerschaft Düsseldorf und Mettmann e.V.