Keabsahan Kepemilikan Bidang Tanah Yang Perbuatan Hukumnya Dibatalkan Oleh Pengadilan Tata Usaha Negara (Studi Kasus Putusan PTTUN Makassar No. 27/Bdg.TUN/1998/PT.THN.UPG Juncto Putusan Mahkamah Agung No. 766 PK/PDT/2012) = Validity of Land Ownership of Which Legal Act Is Nullified by State Administrative Court (Case Study of Makassar State Administrative Court [PTTUN] Decision No. 27/Bdg.TUN/1998/PT.THN.UPG in Conjunction with Supreme Court Decision No. 766 PK/PDT/2012)

Aspek Hukum Pembatalan Sertipikat Hak Milik Atas Tanah Karena Akta Jual Beli yang Cacat Hukum (Studi Kasus Putusan No.72/G/2018/PTUN.BDG) = Legal Aspect of Cancellation of Certificate of Land Ownership Due to The Deed of Sale and Purchase is Legally Defected (Case Study of Decision Number 72/G/2018/PTUN.BDG).

Pembatalan Akta Jual Beli Atas Ketidaksesuaian Hak Milik Atas Tanah Studi Putusan No. 9/Pdt.G/2017/PN.Mrs = Cancellation of Sale and Purchase Deed of Incompatibility of Land Ownership Right for Court Decision Study No. 9 / Pdt.G / 2017 / PN.Mrs

Tanggung Jawab Notaris/PPAT atas Penyerahan Sertipikat yang Dititipkan Pembeli kepada Penjual (Studi Putusan Mahkamah Agung No. 2548 K/Pdt/2022) = Responsibilities of Notary/PPAT for Delivering the Land Certificate Deposited by Buyer to Seller (Study of Supreme Court Decision No. 2548 K/Pdt/2022)

Implikasi perjanjian jual beli tanah hak milik yang menimbulkan sengketa studi terhadap putusan mahkamah agung nomor 66k/pdt/2015 = implication of purchase and sale land ownership agreement that induce controversy study of supreme court ruling of number 66k pdt 2015