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Claus Barrett Christiansen

Photo of Claus Barrett Christiansen

Claus Barrett Christiansen specialises in intellectual property and marketing law

An expert at intellectual property rights, marketing law, licences, brand protection and IP strategy and with more than 20 years' experience, Claus Barrett Christiansen's legal advisory services cover all aspects of these areas. Claus has conducted a vast amount of cases before the Danish High Courts, the Supreme Court and the Court of Justice of the European Union, and he advises small entrepreneurial enterprises as well as multi-national corporations on formation, protection of trademark rights, domain names, design, etc.

In 2011 Claus contributed to establishing Bech-Bruun's Chinese Desk, and since then he has assisted Danish enterprises in getting a foothold on the Chinese market and rendered advice on Chinese intellectual property law, enforcement, licences and e-trade. He also advises Chinese enterprises on intellectual property law in the Nordic countries.

Claus is a popular lecturer within his area of expertise, and for more than 15 years he has been an associate professor with Aarhus University and Aarhus BSS. Further, Claus is a member of the IP committee of the Association of Danish Law Firms, the Danish Patent and Trademark Office's Expert Group on trademarks, Marques' China Team and INTA Amicus Brief Committee. 



  • Board of directors (chairman), AetA Foundation Fund
  • Board of directors (chairman), Margot and Thorvald Dreyers Foundation
  • Board member, Ejendomsaktieselskabet Vest
  • Board member, Kavi Invest A/S
  • Board member, United Law A/S
  • Chairman, The Association of Danish Law Firms' IPR Committee
  • Member, Association of European Trade Mark Owners (MARQUES)
  • Member, British Literary and Copyright Association (BLACA)
  • Member, Danish Chinese Business Forum
  • Member, Danish Association for the protection of Industrial Rights
  • Member, Danish Society for Copyright
  • Member, Confederation of Danish Industry Ambassadorial Corps for Optimization (ambassadørkorps for effektivisering)
  • Member, Confederation of Danish Industry's Committee of E-business
  • Member, EU Commission EU China IP Working Group
  • Member, the Danish Supreme Court Bar Association
  • Member, INTA (International Amicus Brief Committee)
  • Member, International Association for the Protection of Intellectual Property (AIPPI)
  • Member, International Trademark Association (INTA
  • Member, Licensing Executives Society Scandinavia (LES Scandinavia)
  • Member, New York State Bar Association (NYSBA)
  • Member, Danish Patent and Trademark Office, group of experts in trademarks
  • Member, Maritime and Commercial High Court's user group


  • Industrial Design Rights, Kluwer Law International B.V., 2020. 529 pages. Book
  • Enforcement of Intellectual Property Rights in the EU Member States, Intersentia Publishers, 2019. Book
  • Community Trade Mark Regulation , C.H. Beck, 2018. 1700 pages. Book
  • Commented Design Regulation, C.H. Beck, 2015. Book
  • Commented Trademark Regulation, C.H. Beck, 2015. Book
  • Community Design Regulation, C.H. Beck, 2015. 1018 pages. Book
  • Sanktioner og håndhævelse, Gads forlag, 2015. 608 pages. Book
  • International Design Protection, Globe Law and Business, 2012. 418 pages. Book

Education and language

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


World Trademark Review logo

"One of the best IP groups in the country, Bech-Bruun provides a top service at favourable rates.” The ensemble caters to a long list of industry leaders, which benefit from a comprehensive offering and a dedicated Chinese desk; it has also been consolidating its position in the United States, where its New York branch has entered into its third year of operations. It has lately been chalking up the victories in contentious settings, including a High Court win for Scandinavia’s largest privately owned supermarket chain, Salling Group. The architect behind this was Claus Barrett Christiansen, who has a knack for turning cases around. In the words of one patron, “Claus is not only extremely skilled, proactive and trustworthy, but a lovely person too. He is a truly valued business partner who always has an answer to our problems."

World Trademark Review, 2021

Legal 500 Logo

Bech-Bruun has expertise in providing advice on trademark and design aspects, patent law and regulations in the life science sector. The practice also advises on copyright law and provides advice concerning marketing-related regulations. Claus Barrett Christiansen (...) jointly head the practice and regularly act for prominent individuals on royalty and trademark infringements as well as on merchandising litigation.

Legal 500, Intellectual property

Client Choice - International Law Office

Claus Barrett Christiansen has been elected to be International Winner in Client Choice of the year – Recognized for Excellence in Client Services.

Source: International Law Office (ILO)

A trusted partner for all trademark matters, Bech-Bruun gives state-of-the-art advice and considers each client’s overall strategic aims.” The firm stands at the forefront of innovation and has been laser-focused on building a new practice dedicated to AI. Of late, the tech-savvy group has been raking in wins before the local courts, most notably on behalf of Schneider Corporation, a global electronics company. Spearheading these efforts is “superstar litigator” Claus Barrett Christiansen, the department lead receives vociferous praise from all corners of the market. “He is certainly number one in Denmark. Very few have the knowledge, experience and cultural understanding that Claus has. He is a bright, pleasant and principled individual who communicates effectively and readily makes himself available even when fighting the most interesting of cases.

World Trademark Review, 2020