yes
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
Reinstatement of priority is accepted on the grounds of "due care".
The novelty grace period is 12 months before the filing date/priority date.
The initial protection period is 4 years from the filing date, and can be renewed twice, 4 years and 2 years respectively, up to 10 years.
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
- EU appearance route: 6 months from the earliest priority date.
3 months
Finnish Patent Registry
English: Finnish Patent and Registration Office, abbreviation: PRH
Website: PRH - Finnish Patent and Registration Office
Finnish invention patent search: Kitinet - Patentti- ja rekisterihallitus (prh.fi)
20 years
yes
5 months