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)
15 months
Reinstatement of priority is accepted on grounds of "due care."
Danish Patent and Trademark Office
English: Danish Patent And Trademark Office, DKPTO
Website: Frontpage (dkpto.org)
Danish Utility Model Patent Search: PVSOnline - Patent & Varemærkestyrelsen (dkpto.dk)
- 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.
 
yes
no
- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 31 months from earliest priority date.
 
- Licensing Fee: None.
 - Annuity: You can pay the annual fee for the 1st-5th year at the end of the second year of the validity period, and pay the 6th-10th annual fee at the end of the 6th year. If the annual fee is overdue, it can be paid within a grace period of 6 months, and a 20% late fee will be paid at the same time.
 
- 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.
 
yes