Pembatalan Akta Pembagian Harta Waris yang Didasarkan pada Hukum Adat Batak Toba (Studi Putusan Mahkamah Agung Nomor 909 PK/Pdt/2019) = Cancellation of the Deed of Distribution of Inheritance Property Based on Toba Batak Customary Law (Study of Supreme Court Decision Number 909 PK/Pdt/2019)

Kedudukan Yurisprudensi Mahkamah Agung Nomor 1413K/Pdt/1988 dalam Kasus Pengangkatan Anak Berdasarkan Hukum Adat Batak Toba (Studi Putusan Pengadilan Tinggi Nomor 324/PDT/2020/PT MDN) = Supreme Court Jurisprudence Position No. 1413K/Pdt/1988 in Child Adoption Cases Based on the traditional law of Batak Toba (Study of the High Court Decision Number 324/PDT/2020/PT MDN)

Pembagian Hak Waris Berdasarkan Akta Keterangan Hak Waris yang Merugikan Ahli Waris (Studi Putusan Pengadilan Negeri Jakarta Utara Nomor 512/Pdt.G/2019/PN Jkt.Utr) = Distribution of Inheritance Rights Based on Deed of Inheritance Rights that are detrimental to heirs (Study of North Jakarta District Court Decision Number 512/Pdt.G/2019/PN Jkt.Utr)

Pemusatan Kewenangan Formal Pembuatan Keterangan Waris oleh Notaris Menuju Unifikasi (Studi Hukum Keperdataan) = Centralization of Formal Authority in the Making of Inheritance Statements by Notary Towards Unification (Study of Civil Law)

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)