How many years is the protection period of Finnish invention patent application

no

2-2.5 years

The novelty grace period is 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: 3 months from the date of European patent grant

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.

Formal examination and substantive examination are required. Substantive examination begins automatically, without the need to submit a specific request.

yes

• 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

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 31 months from earliest priority date.