An expert in 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 SME’s as well as multi-national corporations on strategy, litigation and brand protection, design, copyright and domain names.

Claus is a popular lecturer in his area of expertise, and for more than 20 years, he has been an associate professor and taught at University of Copenhagen (guest lecturer), Aarhus University, the Aarhus School of Business and at the annual Bech-Bruun Judge Business School seminars for associates at Cambridge University.

Further, Claus is a board member of Bech-Bruun, chairman of the IP committee at the Association of Danish Law Firms, and a member of the Danish Patent and Trademark Office's Expert Group on trademarks, Marques' China Team and the INTA Amicus Brief Committee.