The Polish Patent Office (PPO) (Polish: Urząd Patentowy Rzeczypospolitej Polskiej (UPRP)) is the patent office of Poland. It is based in Warsaw. More information...
According to PR-model, uprp.pl is ranked 171,306th in multilingual Wikipedia, in particular this website is ranked 4,296th in Polish Wikipedia.
The website is placed before aporta.org.mx and after ocean-media.su in the BestRef global ranking of the most important sources of Wikipedia.