Keabsahan perjanjian pengikatan jual beli berdasarkan akta kuasa menjual serta peran dan tanggung jawab notaris dalam pembuatan perjanjian pengikatan jual beli: studi putusan Mahkamah Agung Republik Indonesia Nomor 46 K/Pid/2017 = The validity of the sale and purchase binding agreement based on the deed of authorization to sell and the role and responsibility of notary in making the sale and purchase binding agreement: case study Supreme Court of RI Decision No. 46 K/Pid/2017

Tanggung jawab Notaris dalam pembuatan akta jual beli berdasarkan Perjanjian Pengikatan Jual Beli (PPJB) lunas yang hasil pembayarannya dikembalikan kepada pihak pembeli (Studi kasus Putusan Majelis Pengawas Pusat Notaris Nomor 04/B/MPPN/VII/2019) = The responsibility of a Notary Public in making sale and purchases deed based on the full paid-purchase binding agreement, in which the payments are returned to the purchaser (Study of The Notary Central Supervisory Board Decision No.04/B/MPPN/VII/2019.

Tanggung Jawab Notaris terhadap Kekeliruan dalam Pembuatan Akta Perjanjian Pengikatan Jual Beli (Studi Putusan Majelis Pengawas Wilayah Notaris Jawa Barat Nomor: 05/PTS-MPWN Provinsi Jawa Barat/IX/2020 = Responsibility as A Notary of Fallacy in the Making of Sale and Purchase Binding Agreement (Study the Verdict of West Java Region Supervisory Council of Notary Number: 05/PTS-MPWN Provinsi Jawa Barat/IX/2020

Tanggung jawab notaris terhadap pembuatan akta kuasa menjual pada pengikatan jual beli yang belum lunas dan telah beralih hak atas tanahnya kepada pihak lain: Studi Putusan Mahkamah Agung Republik Indonesia Nomor 2397 K/PDT/2022 = Notary's liabilities for making power of attorney deed on unpaid sale and purchase binding and has transferred land rights to other parties: Case study Supreme Court Decision the Republic of Indonesia Number 2397 K/PDT/2022

Tanggung jawab notaris terhadap Akta Pengikatan Perjanjian Jual Beli yang disahkan oleh putusan pengadilan tetapi dibatalkan oleh para pihak (Studi Putusan Pengadilan Negeri Sidoarjo Nomor 354/Pdt.g/2019/Pn Sda) = The notary's responsibility for the sale and purchase agreement deed which was legalized by a court decision but canceled by the parties (study of the Sidoarjo district court decision number 354/Pdt.g/2019/Pn Sda)