(1) Log in to the official website of the Brazilian National Industrial Property Association https://www.gov.br/inpi/pt-br ；

(2) After pulling down the page, select "BUSCA DE PROCESS" from the "Acesso R á pido" module to enter database retrieval mode;

(3) After jumping to the webpage, click the "Continua" button without logging in to enter the database search page;

Step 3: After the page is redirected, click the "Patente" button to go to the patent search page.

(2) After entering the search criteria on the patent search page, click the pesquisar button below to jump to the search results page; Click on the patent number on the results page to view detailed patent information.

(3) You can view the annual fee payment information in the Anuidades column. Click on the Ver todas as anuidades on the right to expand the view. Click on the thumbnail at the bottom to download the patent document.

巴西专利年费计算方法