Perlindungan terhadap merek terkenal merupakan konsekuensi dari Konvensi TRIPS Agreement, walaupun kriteria merek terkenal telah diatur dalam UUM, namun sampai saat ini masih menimbulkan multi interprestasi. Bagaimanakah perlindungan merek terkenal terdaftar terhadap pihak lain yang mendaftarkan merek terkenal yang sama atau serupa untuk jenis barang yang berbeda?, apakah didalam sengketa merek dapat diajukan upaya hukum Peninjauan Kembali mengingat Undang-Undang Merek Tidak mengatur upaya hukum sampai dengan Peninjauan Kembali. Jenis Penelitan ini merupakan penelitian hukum normatif yuridis, cara dan alat pengumpulan data menggunakan penelitian kepustakaan yaitu data sekunder yang diperoleh baik melalui sumber hukum primer (peraturan perundang-¬undangan) maupun sumber hukum sekunder yaitu buku, internet, dan lain-lain. Masih perlunya ditingkatkan pemahaman mengenai perlindungan merek terkenal tidak hanya dikalangan Hakim Pengadilan Niaga namun juga dikalangan Direktorat Jenderal HaKI Merek, para konsultan HaKI, para pengusaha/pendaftar merek untuk diharuskan berkonsultasi terlebih dahulu dengan konsultan HaKI sebelum mendaftarkan suatu merek, dan masih perlu ditingkatkan perlindungan khususnya untuk merek-merek yang sudah masuk daftar sebagai merek terkenal, tanpa perlu para pemilik merek terkenal melindungi mereknya dengan mendaftarkan mereknya di semua jenis kelas barang dan/atau jasa. Walaupun Undang-Undang Merek tidak mengatur Upaya hukum sampai dengan Peninjauan Kembali, namun tetap dimungkinkan didalam suatu sengketa merek diajukannya upaya hukum Peninjauan Kembali.

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The protection over a renowned brand is one of the consequences of the implementation of TRIPS Agreement Convention. However, despite the criteria for such brands have been regulated in the Law concerning Brand, in reality it still stimulates the occurrence of multi-interpretation by many parties. The questions to be addressed in this research is are as follow: How is the protection of a renowned registered brand towards other party who registers the similar renowned brand, but of different type goods?. Is there any possibility to conduct a Legal Review, recalling that the current Law regulating Brand doesn't regulate the matter up to the phase mentioned? This research is a normative juridical research, using the library research as the data collecting method, comprising secondary data gathered from both primary legal source (Law Regulations} as well as secondary ones, consisting of books, internet, and other resources. There is a need to improve the understanding concerning the protection of a renowned brand, not only for the judges responsible for the Trade Affairs, but also for the officials in the Directorate General of Brand IPR, the consultants deal with this matter, as well as the businessmen/the applicants. It is recommendable particularly for the applicants to have a consultation with the consultants before they apply to register for a brand. Another thing to be noted is the need to improve and refine the protection of the renowned registered brands, up to the point that enables the owners not to register all his brands in every categorized class of goods and services. Even though the Brand Law doesn't regulate any specific legal effort up to the point of legal review, it is still possible to conduct a legal review in a dispute over a brand.