Jurnal Hukum Magnum Opus is a peer-reviewed journal, published by the Master of Law, Law Faculty, Universitas 17 Agustus 1945 Surabaya. First published in 2018 and up to now there are as many as two editions per year. Each edition there are eleven articles. This journal gives readers access to download journal entries in pdf file format. Jurnal Hukum Magnum Opus is created as a means of communication and dissemination for researchers to publish research articles or conceptual articles. The Jurnal Hukum Magnum Opus only accepts articles related to the Civil Law, Administrative Law, Constitutional Law, International Law, Legal Philosophy, Customary Law, Canonic Law. The Jurnal Hukum Magnum Opus is available in both print and online. The language used in this journal is Indonesian and English. Since April 2020, this journal has been accredited Rank 4 as a scientific journal under the decree of the Minister of Research And Technology Head of National Research And Innovation Agency Republic of Indonesia, Decree No. 85/M/KPT/2020, April 1st, 2020 This journal has been indexed by: Sinta, Google Scholar, Dimensions, Garuda, LIPI, Zenodo, Academia, PKP Index, Scilit, etc. and has become a CrossRef Member, therefore, all articles published by JHMO will have unique DOI number.