Perlunya Doktrin Unjustified Enrichment Dalam Perjanjian Sewa Menyewa Rumah (Studi Kasus Putusan Mahkamah Agung Republik Indonesia No. 1443 K/PDT/2011) = The Necessity of Unjustified Enrichment Doctrine in the House Leasing Agreement (Case Study of the Supreme Court of the Republic of Indonesia No. 1443 K/PDT/2011)

Penyalahgunaan keadaan misbruik van omstandigheden dan perlindungan hukum bagi para pihak dalam perjanjian (studi kasus putusan Mahkamah Agung Republik Indonesia Nomor 2356 K/PDT/2008 dan Nomor 3091 K/PDT/ 2010) = Abuse of circumstances misbruik van omstandigheden and legal protection for the parties in agreement (case study of supreme court of the republic of indonesia no 2356 k pdt 2008 and no 3091 k pdt 2010)

Perjanjian secara diam diam sebagai tindakan pembaharuan kontrak studi kasus putusan Mahkamah Agung RI no 2178 k pdt 2008 = Silent agreement as contract resolution act study case Indonesian supreme court decision number 2178 k pdt 2008

Hak prioritas masyarakat terhadap tanah garapan berdasarkan hukum adat dan hukum negara yang berlaku di Indonesia : suatu studi kasus Putusan Mahkamah Agung Republik Indonesia REG. Nomor 582/PK/PDT/ 2011 = Community priority rights to land plots based on customary law and the law of the state applicable in Indonesia: a case study of the ruling of the Supreme Court of the Republic of Indonesia Number 58 reg. PK/Pdt/2011

Pembatalan perjanjian restrukturisasi kredit karena penyalahgunaan keadaan studi kasus putusan Mahkamah Agung Republik Indonesia Nomor 1705 K/PDT/2015 = Cancellation of credit restructuration agreement because undue influence case study of supreme court of Republic Indonesia Decision No. 1705 K/PDT/2015