Within 12 months before the filing date/priority date.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
- Validation of European Patent in EPO member states: within 3 months from the date of grant of the European patent.
Within 12 months of the filing date/priority date.
20 years
1-3 years
- Licensing Fee: None.
- Annuity: The application fee includes the official fee for the first 5 years. The first renewal fee must be paid within 5 years from the filing date.
Danish Patent and Trademark Office
English: Danish Patent And Trademark Office, DKPTO
Website: Frontpage (dkpto.org)
Danish invention patent search: PVSOnline - Patent & Varemærkestyrelsen (dkpto.dk)
- via Paris Convention : 6 months from earliest priority date.
- EU appearance route: 6 months from the earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
Reinstatement of priority is accepted on grounds of "due care."
Reinstatement of priority is accepted on grounds of "due care."
Within 12 months prior to the filing date/priority date.