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

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)

Peran dan Tanggung Jawab Notaris atas Pembuatan Akta Berita Acara Rapat Umum Perhimpunan Pemilik dan Penghuni Satuan Rumah Susun yang Dinyatakan Batal Demi Hukum (Studi Kasus Putusan Mahkamah Agung Nomor 1335 K/Pdt/2021) = THE ROLE AND RESPONSIBILITY OF NOTARY IN THE MAKING OF MINUTES OF EXTRAORDINARY GENERAL MEETING OF FLAT OWNERS AND OCCUPANTS ASSOCIATION WHICH IS DEEMED NULL AND VOID (STUDY OF SUPREME COURT DECISION NUMBER 1335 K/PDT/2021)