Lone Prehn - Zacco
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Zacco logotype
Lone Prehn

Lone Prehn

Senior Partner

European Trademark & Design Attorney
Master of Law

About Lone Prehn

Lone has worked at Zacco since 1990. In her work, she deals with trademark clearance and filing strategies, trademark strategies, trademark conflicts including Board of Appeals and Court cases, European Union Trademark (EUTM) opposition and Board of Appeals cases and domain name conflicts, including .dk, WIPO and .eu complaints.

Lone is a WIPO Panelist and has been an alternate judge with the Danish Domain Name Dispute Resolution Centre and a .eu Panelist. Lone holds a Master of Law degree of 1989 from the University of Copenhagen and is an attorney at law. She is further an examined Danish Patent Agent of the Danish Association of Patent Agents.

Her memberships in various associations include The European Communities Trade Mark Association (ECTA) and the International Federation of intellectual Property Agents (FICPI). She is a professional representative before the European Union Intellectual Property Office (EUIPO).

Lone was vice president of the Danish Association of Trademark and Patent Agents from 2009-2010. In 2010 Lone was appointed a member of the advisory board of the Center for Innovation- and Information Rights (CIIR) under the law faculty of the University of Copenhagen.

Lone has won the ILO Client Choice Award 2010 and 2011 in the Intellectual Property category for Denmark and has received the Global Law Experts Award in the category Intellectual Property for Denmark, 2013. She is also featured as a WTR 1000 Recommended Individual by World Trademark Review, praised as “a wonderful adviser with encyclopedic trademark knowledge”. Moreover, Lone is ranked by Managing IP as an IP Star and is regularly featured among the Top 250 Women in IP.


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Areas of Expertise

  • Trademark Monitoring and Watch
  • Domain Name Acquisitions
  • Contracts and agreements
  • Digital Brand Disputes and Enforcement
  • Trademark Licensing
  • IP Audit
  • Anti-Counterfeiting
  • IP Strategy Workshops and Coaching
  • Strategy Development
  • Digital Brand Due Diligence
  • Online Brand Protection
  • Trademark Clearance Searches
  • Trademark Prosecution
  • Trademark Cancellation Actions
  • Strategy Implementation
  • Litigation and Dispute Resolution
  • Portfolio Outsourcing
  • IP Risk Management
  • Trademark Clearinghouse
  • Trademark Oppositions
  • Portfolio Management
  • Due Diligence
  • Trademark Enforcement
Technical field
  • Industrial Chemistry
  • Electronics
  • Process Technology
  • Artificial Intelligence
  • Physics
  • Mechanical Engineering
  • Robotics
  • Digital Signal Processing
  • Information Technology
  • Databases
  • Mechatronics
  • Materials Technology & Nanotech
  • Food Technology
  • Sensor and Measurement Technology
  • Biotechnology
  • Chemistry
  • Polymers
  • Nuclear Technology
  • Digitalization
  • Machine Learning
  • Algorithms
  • Signal Processing
  • Electrochemistry
  • Inorganic Chemistry
  • Manufacturing & Process Technology
  • Computer Sciences
  • Internet of Things (IoT)
  • Metallurgy
Industry expertise
  • Media & Entertainment
  • IT & Software
  • Industrial Design
  • Energy, Gas, Oil & Power
  • Architecture
  • Telecommunications
  • Pharmaceuticals
  • Sustainability / GreenTech / CleanTech
  • Hygiene Products
  • Automotive
  • Aerospace & Defence
  • Life Science
  • Offshore
  • Medtech
  • Consumer Products
  • Food & Beverage
  • Arts & Crafts
  • Furniture
  • Retail
  • Paper/Pulp/Wood Industry
  • Building & Construction
  • Agriculture