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Klaus Ewald Madsen

Photo of Klaus Ewald Madsen

Klaus Ewald Madsen is an intellectual property law specialist

Klaus Ewald Madsen specialises in intellectual property law working primarily with patent law, life sciences and marketing. 

He has extensive international experience in, among other things, negotiating and drafting licence agreements and other intellectual property agreements.

With his direct and honest style, Klaus is a much sought-after advisor, who represents and advises Danish and non-Danish enterprises. 

Klaus is a highly skilled advocate and has over the years argued a considerable number of patent law cases in the pharmaceutical area and also in the areas of electronics and mechanics.

Klaus’s international work has landed him considerable international recognition and he is a popular lecturer at external and internal courses on, among other things, patent law issues.


The Team

Intellectual Property

  • Intellectual Property
  • Marketing and Advertising
  • Life Science
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Partner Klaus Ewald Madsen
"I make a considerable effort to think strategically and basically get the best possible result under the given circumstances and always taking into account the commercial aspects."
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  • Board of directors (chairman), Torben Herman Christensen Holding A/S
  • Board of directors (chairman), CM Holding A/S
  • Board of directors (chairman), ECS Eurocargo A/S
  • Member, International Association for the Protection of Intellectual Property (AIPPI)
  • Member, European Patent Lawyers (EPLAW)


  • Industrial Design Rights, Kluwer, 2001. Book

Education and language

  • Right of audience, The Danish Supreme Court
  • Admission to practice law
  • Master of Laws
  • English
  • Swedish
  • Norwegian


Legal 500 Logo

Bech-Bruun has a stellar reputation in the life sciences sector, where it advises high-profile clients on an array of trade mark and design, patent and regulatory matters. (...) Klaus Ewald Madsen is praised for his patent infringement litigation track record (...).

Klaus Ewald Madsen has been listed as Hall of Fame by Legal 500.

Legal 500, Intellectual property

"Bech-Bruun has an impressive team of legal experts ready for any task related to IP. The team delivers proactive, commercial-oriented advice and is very valued," says a client.

Managing Intellectual Property/patent

Client Choice - International Law Office

Klaus Ewald Madsen has been elected to be International Winner in Client Choice of the year – Intellectual Property - Patents Category for Denmark.

Source: International Law Office (ILO)