Lone Prehn

Senior Partner at Zacco

Lone Prehn has worked at Zacco since 1990. Her practice focuses on trademark clearance and filing strategies, trademark strategies, trademark conflicts (including court cases), EU trademark opposition and cancellation actions, and domain name conflicts.

Ms Prehn is a World Intellectual Property Organisation panellist and has been an alternate judge with the Danish Domain Name Dispute Resolution Centre and a ‘.eu’ panellist. Ms Prehn holds an LLM (1989) from the University of Copenhagen and is an attorney at law. She is also an examined patent agent of the Association of Danish Intellectual Property Attorneys (ADIPA).

Ms Prehn’s professional memberships include the European Communities Trademark Association, MARQUES, INTA and the International Federation of Intellectual Property Agents. She is a professional representative before the EU Intellectual Property Office.

Ms Prehn was vice president of ADIPA from 2009 to 2010 and is part of its Trademark Committee. In 2010 she was appointed a member of the advisory board of the Centre for Innovation and Information Rights under the Law Faculty of the University of Copenhagen.

Ms Prehn won the ILO Client Choice Award (Intellectual Property – Denmark) in 2010 and 2011, and received a Global Law Experts Award (Intellectual Property – Denmark) in 2013. She has featured in World Trademark Review’s list of the world’s leading trademark professionals in 2017, 2018 and 2020 and has been awarded the title “IP Star” by Managing Intellectual Property since 2016. She was also listed among Managing Intellectual Property’s top 250 women in intellectual property in 2017 and 2020.

Her clients include LEGO, Nestlé, British American Tobacco, PepsiCo and Pernod Ricard.

Professional associations

  • ECTA
  • INTA

Sample client list

  • British American Tobacco
  • LEGO
  • Nestlé
  • PepsiCo
  • Pernod Ricard

Firm details

Arne Jacobsens Alle 15
Copenhagen DK 2300

Contact details

See firm profile