Sejak diundangkannya Undang-Undang Nomor 5 Tahun 1960 tentang Peraturan Dasar Pokok-Pokok Agraria maka terciptalah unifikasi hukum agraria. Setelah 56 tahun sejak UUPA diundangkan, muncul berbagai kasus pertanahan. Persengketaan tanah di peradilan umum begitu banyak, terutama terhadap tanah-tanah bekas hak barat. Salah satu sebab banyaknya sengketa tanah tentang tanah-tanah bekas hak barat ialah tidak semua pemegang hak atas tanah bekas hak barat melaksanakan konversi sesuai peraturan konversi. Salah satu sengketa terhadap permasalahan tanah bekas hak barat yang dapat dianalisa adalah Putusan Mahkamah Agung Republik Indonesia Nomor: 283 K/TUN/2008, tanggal 18 November 2008. Penggugat bermaksud untuk meminta pembatalan terhadap Sertipikat Hak Milik No.454/Tamansari. Amar putusan Mahkamah Agung Republik Indonesia Nomor: 283 K/TUN/2008 ialah membatalkan sertipikat hak milik No.454/Tamansari.

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Since Law Number 5 of 1960 on the Basic Regulation of Agrarian promulgated on 24 September 1960 then Indonesia has agrarian law unification, the unificiation include the land rights. After 56 years since the promulgation of Law Number 5 of 1960, appear various land cases. Many land disputes in general courts, especially disputes of lands of former west rights. One of the reasons many land disputes on the lands of former west rights is not all former holders of land west rights not conversion their rights according to the rules of conversion. One of the problems of land dispute against former west rights that can be analyzed is the Supreme Court of the Republic of Indonesia Number: 283 K / TUN / 2008, dated November 18, 2008. Plaintiff intends to request the cancellation of the Land Certificate Number 454/Tamansari. The decision of the Supreme Court of the Republic of Indonesia Number: 283 K / TUN / 2008 is to cancel the land certificate number 454/Tamansari.