SILVA NETO, Ana Teresa; LEITÃO, Suzana Russo. Trademark registration in Brazil, the United States and Portugal. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 9, n. 9, p. 485–501, 2021. DOI: 10.31686/ijier.vol9.iss9.3384. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/3384. Acesso em: 27 aug. 2025.