ABSTRAK
Tesis menjelaskan mengenai tipu muslihat sebagai alasan pembatalan putusanarbitrase, dimana akan dibahas mengenai pengertian tipu muslihat dalam alasanpembatalan, apakakah alasan tipu muslihat dalam permohonan pembatalan putusanarbitrase harus dibuktikan dengan putusan pengadilan serta bagaimanakahpandangan hakim terhadap unsur tipu muslihat sebagai suatu alasan pembatalanputusan arbitrase. Metode penelitian yang dilakukan adalah dengan penelitianhukum normatif menggunakan bahan hukum primair berupa peraturanperundangan UU.Nomor 30/1999 dan bahan hukum sekunder berupa buku-bukutentang Arbitrase. Penelitian dilakukan dengan meneliti putusan MahkamahAgung RI mengenai sengketa antara PT.Nikko Securities Indonesia denganPT.Bank Permata untuk kasus pembatalan putusan arbitrase yang dibuat olehBadan Arbitrase Pasar Modal Indonesia (BAPMI). Dari hasil penelitian ditemukanbahwa alasan pembatalan putusan arbitrase masih beragam dikalangan hakim baikdi tingkat Pengadilan Negeri maupun ditingkat banding Mahkamah Agung.

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ABSTRACT
This thesis aims to explain Fraud as the reason for the annulment of the arbitralaward, which will be discussed on the understanding of fraud as a reason,whether arbitral award must be proved by the decision of the court or not andhow the judge opinion about fraud as a reason for the annulment of an arbitralaward . The research method is the normative legal research using the primarylegal materials in the form of legislation UU.Nomor 30/1999 and secondary legalmaterials such as books on Arbitration and other references . The study wasconducted by examining the decision of the Supreme Court regarding the disputebetween PT.Nikko Securities Indonesia and PT Bank Permata in case of annulmentof the arbitral award made by the Indonesian Capital Market Arbitration Board(BAPMI) . From the results of the study found that the reason for the annulement ofan arbitral award is varied among the judges at both the District Court andSupreme Court appeal level