Akibat Hukum Akta Jual beli (AJB) yang Dibuat secara Melawan Hukum dan Dinyatakan Sah Secara Hukum sebagai Akta di bawah Tangan (Studi Putusan Pengadilan Negeri Wonosari Nomor 12/PDT.G/2021/PN WNO) = Legal Effects of a Deed of Sale and Purchase (AJB) Made Unlawfully and Declared Legally Valid as an Underhand Deed Based on a Court Decision through a Case Study of Wonosari District Court Decision Number 12/Pdt.G/2021/PN Wno.

Peralihan Hak atas Tanah Menggunakan Akta Jual Beli yang Didasari Perikatan Jual Beli Cacat Hukum oleh Pejabat Pembuat Akta Tanah (Studi Kasus Putusan Pengadilan Negeri No 150/PDT.G/2019/PN.JKT.TIM) = Transfer of Land Rights Using a Sales and Purchase Deed Based on a Legally Flawed Sales and Purchase Agreement by the Land Titles Registrar/PPAT (Case Study: District Court Decision No.150/Pdt.G/2019/PN.JKT.TIM)

Tanggung Jawab Pejabat Pembuat Akta Tanah terhadap Akta Jual Beli Atas Sertipikat yang Dibatalkan Pendaftaran Peralihan Haknya (Studi Kasus Putusan Nomor 550/Pid.B/2021/PN Jkt/Sel) = Responsibility of the Land Deed Making Official for the Deed of Sale and Purchase on the Canceled Registration of the Transfer of Rights (Case Study Verdict Number 550/Pid.B/2021/PN Jkt/Sel)

Perbuatan Melawan Hukum oleh Notaris atas Pembuatan Akta Perjanjian Pengikatan Jual Beli Serta Kuasa Jual dengan Dasar Penipuan (Studi Kasus Putusan Nomor 54/PDT.G./2020/PN.UNR) = Unlawful Act by Notaries for Making Sale and Purchase Agreement Deed and Selling Authorization on Fraud (Case Study of Decision Number 54/PDT.G./2020/PN.UNR)

Tinjauan yuridis terhadap akta jual beli yang salah satu pihaknya wanprestasi (studi kasus pada putusan Mahkamah Agung RI no 475/k/pdt/2011 tanggal 31 Mei 2011 = Juridical review to the deed of sale and purchase of which one of his tort conduct violation (case study on the ruling of the supreme court of the republik of indonesia number 75/k/pdt/2011)