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.
The most popular and frequently used services are:
Search services offered by DKPTO
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
Please contact our Customer Service Center on
Mon - Thursday 9H-16H (GMT+1).
Friday 9H-15H (GMT+1).
Tel: +45 4350 8301