Patent Filing in Denmark
File your PCT national phase application in Denmark with the Danish Patent and Trademark Office (DKPTO) through AnalystIP, within 31 months from the priority date. Every requirement below is taken from the WIPO PCT Applicant's Guide and kept up to date by our team.
When is your national phase deadline in Denmark?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Denmark: key facts
Reinstatement of rights permitted under the due care criterion (Rule 49.6); fee 3,600 DKK.
None
20 years from the international filing date
Official fees for patent filing in Denmark
Filing in several countries? Compare fees with other countries →
Standard official fees (general)
From the WIPO PCT Applicant's Guide, updated March 26, 2026. Amounts in DKK. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| Basic fee (filing fee) | DKK 3,600 | Payable within the Article 22 or 39(1) time limit |
| Claim fee for each claim in excess of 10 | DKK 360 | |
| Additional fee for late furnishing of translation or copy | DKK 1,320 | Annex DK.I shows 1,100 for patents (1,320 for utility models) |
| Annual fees for the first three years (per year) | DKK 660 |
Fee reductions: None
National phase entry requirements
Time limit
31 months from the priority date (Articles 22(3) and 39(1)(b))
Also available through the European Patent Office (31 months).
Translation
Article 22: description, claims (as amended only, if amended), text matter of drawings, abstract. Article 39(1): description, claims, text matter of drawings, abstract; if amended, only as amended by the annexes to the IPER. Claims must be translated into Danish before grant.
Late entry and reinstatement
Reinstatement of rights permitted under the due care criterion (Rule 49.6); fee 3,600 DKK. Late translation: if the filing fee is paid in time, the translation may be filed within two months after the time limit with the late-furnishing fee. Restoration of priority accepted under due care (Rule 49ter.2) and RO restoration recognised (Rule 49ter.1)
Agent and power of attorney
Not required to enter the national phase; any natural or legal person resident in the European Economic Area may act as agent (separate power of attorney or Office form)
Special requirements of the office
- Name and address of the inventor if not in the request (Rule 4.17 declaration may satisfy)
Other information
- Utility models available instead of or in addition to a patent; where both are sought, fees for both, Danish translation in duplicate and any power of attorney in duplicate must be filed within the time limit
- Copy of the international application required only if Form PCT/IB/308 not received and the IB has not sent a copy (e.g., early entry under Article 23(2))
- Colour drawings accepted but published in black and white
- Annex DK.I patents: publication fee 2,230; resumption fee 840; re-establishment of rights 3,600; restoration of priority 3,600; appeal 8,000; administrative re-examination 8,400; opposition 3,000; annual fees from 1,470 (year 4) to 6,830 (year 20); late payment supplement 20%
- Annex DK.I utility models: national fee 2,400; examination 4,800; renewal 2,400 (1st period) and 3,600 (2nd period)
- Fees payable in DKK via PVS Pay or bank transfer
Source: WIPO PCT Applicant's Guide, national chapter, updated March 26, 2026.
Patent filing in Denmark: questions
What is the deadline for PCT national phase entry in Denmark?
31 months from the earliest priority date.
Can I enter the national phase in Denmark after the deadline?
Reinstatement of rights permitted under the due care criterion (Rule 49.6); fee 3,600 DKK. Late translation: if the filing fee is paid in time, the translation may be filed within two months after the time limit with the late-furnishing fee. Restoration of priority accepted under due care (Rule 49ter.2) and RO restoration recognised (Rule 49ter.1)
In which language must the application be filed in Denmark?
Danish or English. Article 22: description, claims (as amended only, if amended), text matter of drawings, abstract. Article 39(1): description, claims, text matter of drawings, abstract; if amended, only as amended by the annexes to the IPER. Claims must be translated into Danish before grant.
Do I need a local patent attorney in Denmark?
Not required to enter the national phase; any natural or legal person resident in the European Economic Area may act as agent (separate power of attorney or Office form)
Are there official fee reductions in Denmark?
None
How much does patent filing in Denmark cost?
The cost is the official fees of the patent office plus professional fees. The standard official fees from WIPO are listed on this page; the calculator works out the exact official fees for your application (pages, claims, applicant type) after a quick email check, and our team sends a full quote on request.
File in Denmark with AnalystIP
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