Nordic Patent Institute

NPI offers the following services:
- International Searching Authority and Preliminary Examination Authority under the PCT system for residents of the contracting states
- International Type Searches in connection with national patent applications
- Supplementary International Searches
- Searches for other patent authorities and private customers.
>> More information about NPI

Online Tools

Danish Patent and Trademark Office offers a wide range of self-service products.
All of our e-services are made to make it easier for our customers.
>> Learn more and access our online tools

Please contact our Customer Service Center on weekdays between 9-16 (GMT+1).
Tel: +45 4350 8301
e-mail: pvs@dkpto.dk