Sistem First To File Sebagai Perlindungan Hukum Dalam Hukum Merek: Studi Putusan Mahkamah Agung Nomor 57/Pdt.Sus- Merek/2019/Pn Niaga Jkt.Pst. JOURNAL of LEGAL RESEARCH, [S. l.], v. 4, n. 1, p. 21–34, 2022. DOI: 10.15408/jlr.v4i1.23794. Disponível em: https://journal.uinjkt.ac.id/jlr/article/view/23794. Acesso em: 14 oct. 2025.