Where to file your PCT application?

Nordic Patent Institute acts as ISA and IPEA for nationals and residents of its member states (Denmark, Iceland and Norway) and for nationals and residents of Sweden.

Requests for Nordic Patent Institute to act as an ISA should be filed at the Receiving Office of the Danish, Icelandic, Norwegian  or Swedish Patent Offices, or at the International Bureau of WIPO. Applicants filing at one of the national Receiving Offices must use the office in the country of which they are a national or resident. The two-letter code for using Nordic Patent Institute is XN.

Danish residents: 
More information in Danish on the Danish Patent and Trademark Office website

Norwegian residents: the application form must be completed in English, but the description and claims may be written in either Norwegian or English.
More information in Norwegian on the Norwegian Industrial Property Office website

Icelandic residents:
More information in Icelandic on the Icelandic Patent Office website

Swedish residents:
More information in Swedish on the Swedish Patent and Registration Office website

IPEA: Demands for Nordic Patent Institute to act as an IPEA should be filed directly at the Institute at the address in Taastrup, Denmark. See contact information.


  • Did you know that by using the Global PPH system, a positive PCT report from Nordic Patent Institute can give you the possibility of fast-tracking a corresponding application at 16 other patent offices?
  • Did you know that for a small additional fee, we can add a claim chart to your validity search report, conveniently mapping the relevant references against the claim features for clarity purposes?
  • Did you know that both the Norwegian and the Danish Patent Offices, which perform all searches for Nordic Patent Institute, have over 100 years' experience with patent searching?
  • Did you know that when carrying out their PCT searches, our examiners always search Nordic (Norwegian, Danish, Swedish and Finnish) material?
  • Did you know that in validity searches performed by Nordic Patent Institute, references of particular relevance or obviousness-type references were found in about 70 % of the tasks given to us?
  • Did you know that we have started PCT-PPH pilot projects with USPTO and JPO allowing applicants who have chosen Nordic Patent Institute to request a fast-track examination at the USPTO and JPO?
  • Did you know that in certain cases Nordic Patent Institute will refund up to 50 % of the PCT search fee paid by the applicant, if the results from an earlier search can be used to reduce the extent of the ISA search?
  • Did you know that all our examiners are educated at an MSc level or higher, that they have extensive patent examiner training and can search in minimum English, French, German, and the Scandinavian languages?
  • Did you know that when carrying out the prior art searches our examiners have access to more than 850 databases?
  • Did you know that the combined languages skills of our examiners bring our searching fluency to over 30 languages?
  • Did you know that all the prior art searches done by Nordic Patent Institute are performed by the highly qualified and experienced PCT examiners at the Danish and Norwegian Patent Offices?
  • Did you know that our examiners spend about 60 % of their time examining patent applications and 40 % of their time providing prior art searches and assessments to businesses and IP law firms?
  • Did you know that when it comes to the timeliness of ISAs in transmitting ISRs, Nordic Patent Institute has from the beginning been among the best ISAs?
  • Did you know that Swedish nationals and residents can use Nordic Patent Institute as an ISA and/or IPEA when filing a PCT application?