India’s Use of Patent Opposition Mechanism as an Access to Drugs Strategy: An Empirical Analysis. Journal of Intellectual Property Rights (JIPR), [S. l.], v. 29, n. 4, p. 253–264, 2024. DOI: 10.56042/jipr.v29i4.3704. Disponível em: https://or.niscpr.res.in/index.php/JIPR/article/view/3704. Acesso em: 13 may. 2026.