Pembatalan perjanjian yang tidak menggunakan bahasa Indonesia dan akibat hukum terhadap perjanjian accesoir: analisis putusan Mahkamah Agung nomor: 1572 K/Pdt/2015) = Revocation of agreement that does not use Indonesian language and legal consequences for the accessoir agreement: analysis of supreme court decision number:1572K/Pdt/2015

Akibat Hukum Perjanjian Jual Beli yang Mengandung Cacat Tersembunyi terhadap Perjanjian Fasilitas Kredit dengan Jaminan Kebendaan Fidusia dalam Mekanisme Kredit Pembelian Mobil = The Legal Effect of Sale and Purchase Agreement Contains Hidden Defects to Credit Agreement with Fiduciary Collateral Agreement in Car Purchase Credit Mechanism.

Analisis yuridis tanggung jawab pengurus Koperasi Mahasiswa Fakultas Ekonomi Universitas Indonesia dalam proses pembubaran = Juridicial analysis on the board of Fakultas Ekonomi Universitas Indonesia cooperative units responsibility on dissolution process

Penerapan doktrin volenti non fit injuria/assumption of risk dalam tindakan medis analisis putusan no. 417/pdt.g/2012/pn.mdn = Implementation of volenti non fit injuria assumption of risk doctrine in medical action analysis of verdict no 417 pdt g 2012 pn mdn

Perjanjian batal demi hukum akibat tidak menggunakan Bahasa Indonesia (studi kasus PT Bangun Karya Pratama Lestari melawan Nine am LTD) = The agremeent is null and void due to Indonesian Language is not used case study PT Bangun Karya Pratama Lestari versus Nine Am LTD