Medianna, O. and Lie, G. 2025. 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, 2 (Nov. 2025), 10.21070/acopen.10.2025.12868. DOI:https://doi.org/10.21070/acopen.10.2025.12868.