- 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.
There is a 6-month novelty grace period in Poland if the disclosure is caused by a third party in bad faith. Previously, there was no novelty grace period for patent applications in Polish IP legislation.
2-4 years
yes
20 years
4-5 years
yes
Polish Intellectual Property Office
English: Patent Office of the Republic of Poland, abbreviation: PPO
Website: uprp.gov.pl
Polish invention patent search: Wyszukiwarka prosta (uprp.gov.pl)
Reinstatement of priority is accepted on grounds of "due care."
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- Validation of European Patent in EPO member states: 3 months from the date of European patent grant.
10 years