Medianna, Olivia, and Gunardi Lie. “Reformulation of Annual Patent Fee Payment Regulations As an Effort to Prevent the Loss of Intellectual Property Rights: Reformulasi Pengaturan Pembayaran Biaya Tahunan Paten Sebagai Upaya Mencegah Hapusnya Hak Kekayaan Intelektual”. Academia Open 10, no. 2 (November 19, 2025): 10.21070/acopen.10.2025.12868. Accessed March 2, 2026. https://acopen.umsida.ac.id/index.php/acopen/article/view/12868.