Tanggung jawab notaris atas surat kuasa membebankan hak tanggungan yang dinyatakan batal demi hukum oleh pengadilan studi kasus putusan nomor 55/PDT.G/PLW/2015/PN PKL = The responsibility of notary to authorization for the assignment of a mortgage which is stated null and void by law case study of pekalongan district court decision number 55/PDT.G/PLW/2015/PN PKL

Tanggung Jawab Dan Perlindungan Hukum Notarus Terhadap Akta Kesepakatan Bersama Yang Dinyatakan Batal Demi Hukum Oleh Pengadilan (Analisis Putusan Pengadilan Negeri Bangil Nomor 38/PDT.G/2021/PN BIL) = Responsibilities and Legal Protection of a Notary Against Deeds of Mutual Agreement which were declared null and void by the court (Analysis of Bangil District Decision Number 38/Pdt.G/2021/PN. Bil)

Keabsahan hukum akta jual beli yang surat kuasa jualnya dinyatakan batal demi hukum oleh hakim : analisis Putusan Pengadilan Negeri Sleman Nomor 83/Pdt.G/2013/PN.Slmn = The validity of the sale and purchase deeds that its power of attorney which is stated null and void by law : analysis of Sleman District Court decision in registration Number 83/Pdt.G/2013/PN.Slmn

Tanggung Jawab Hukum Notaris dalam Pembuatan Akta Pengikatan Jual Beli yang Dinyatakan Batal Demi Hukum oleh Pengadilan Karena Tidak Memenuhi Syarat Verlijden (Studi Putusan Mahkamah Agung Nomor 1572 K/Pdt/2023) = Legal Responsibility of a Notary in the Making of a Sale and Purchase Binding Deed that is Declared Null and Void by the Court for Not Meeting the Verlijden Requirements (Study of Supreme Court Decision Number 1572 K/Pdt/2023).

Pembatalan berita acara rapat umum pemegang saham luar biasa PT. SHGW Bio-Tea Indonesia dan tanggung jawab notaris terhadap akta yang dinyatakan batal demi hukum (studi kasus putusan pengadilan negeri Cibinong Nomor 15/PDT.G.2013/PN.CBN0 = Nullification of minutes of extraordinary general meeting of shareholders of PT. SHGW Bio-Tea Indonesia and notary s liabilities towards the deed nullified by law (case study on the decree of the Cibinong district court Number 15 PDT. G/2013/PN.CBN)