yes
2-4 years
25 years
Reinstatement of priority is accepted on grounds of "due care."
If disclosed by the author or his successor, the novelty grace period shall be enjoyed within 12 months after the first disclosure.
- 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.
no
yes
no
no
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)