(1) Log in to the official website of the Finnish National Patent and Registration Department https://www.prh.fi/sv/index.html Select "In English" in the upper right corner of the page to switch to the English page;

(2) Click on "Online services in English" at the top of the English interface, and select "Patent Information Service" after the page jumps;

(3) Enter relevant patent information on the patent search page and click on "SEARCH" on the right to jump to the search results;

(4) Click on the patent number in the search results to view detailed information, including legal status, number of years the annual fee has been paid, and the last time the annual fee was paid.

patent annuity