Peran tanggung jawab notaris dan pejabat pembuat akta tanah dalam menjalankan asas praduga sah dan kaitannya dengan akta jual beli yang tidak sah sebagai obyek agunan dalam perjanjian kredit (studi kasus putusan Nomor 10/PID/2018/PT.DKI) = The role of the responsibility of the notary and the official making the land deed in carrying out the principle of legal presumption and its relation to the illegal sale and purchase deed as the object of collateral in the credit agreement (case study decision Number 10/PID/2018/PT.DKI)

Akibat hukum terhadap akta jual beli peralihan hak atas tanah yang dibuat secara melawan hukum: Studi Putusan Mahkamah Agung Nomor 1869K/PDT/2022 = Legal consequences of deed of sale and purchase of transfer of land rights made against the law: Study of Supreme Court Decision Number 1869K/PDT/2022

Implikasi perbuatan notaris/pejabat pembuat akta tanah yang tidak memenuhi kewajiban pembuatan akta jual beli berdasarkan perjanjian pengikatan jual beli lunas (studi putusan majelis pengawas pusat notaris Republik Indonesia, nomor: 03/b/mppn/vii/2019) = implications of notary / official certifier of title deeds actions that do not fulfill the obligation to make sale and purchase deed based on the binding agreement of sales and purchase (study of the decision of the board of trustees of the notary center)

Hak tanggungan yang lahir berdasarkan akta jual beli yang cacat hukum (studi putusan mahkamah agung nomor 3232 k/pdt/2017) = Mortgage right that born based on sale and purchase deed that legally flawed (study of supreme court verdict number 3232 k/pdt/2017)

Status Kepemilikan Objek dalam Akta Perjanjian Pengikatan Jual Beli Sebagai Perjanjian Pura-Pura (Studi Putusan Mahkamah Agung Nomor 392K/Pdt/2018) = Object Ownership Status in the Deed of Sale and Purchase Binding Agreement As a Pretentious Agreement (Study of Supreme Court Decisions Number 392K/Pdt/2018)