Tanggung jawab Notaris/PPAT terhadap pembatalan akta autentik disebabkan penyalahgunaan keadaan (studi kasus Pengadilan Negeri Batam Nomor 77/Pdt.G/2018/PN.Btm.) = Responsibility for Notary/Land Deed Making Official (LDO) against cancellation of authentic deed due to misuse of circumtance. (study case of Batam State Court Number 77/Pdt.G/2018/PN.Btm.)