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)
yes
no
If disclosed by the author or his successor, the novelty grace period shall be enjoyed within 12 months after the first disclosure.
25 years
4-5 years
Polish Intellectual Property Office
English: Patent Office of the Republic of Poland, abbreviation: PPO
Website: uprp.gov.pl
Polish Utility Model Patent Search: Wyszukiwarka prosta (uprp.gov.pl)
20 years
Reinstatement of priority is accepted on grounds of "due care."
yes