Penelitian ini membahas bentuk perlindungan dan upaya hukum yang dapat ditempuh oleh pemegang Hak Pakai atas tanah Negara yang dirugikan akibat perbuatan melawan hukum .Penelitian dilakukan dengan metode yuridis normatif secara deskriptif analisis melalui bahan-bahan kepustakaan dan analisa terhadap putusan pengadilan. Hasil penelitian diperoleh : 1) upaya hukum dengan mengajukan gugatan ke pengadilan umum/perdata sebagaimana Pasal 1365 Kitab Undang-Undang Hukum Perdata, dan mengenai sah tidaknya Surat Keputusan Tata Usaha Negara dengan mengajukan gugatan ke pengadilan Tata Usaha Negara 2) Bentuk perlindungan hukum yaitu adanya putusan pengadilan yang telah berkekuatan hukum tetap. Hasil penelitian menyarankan agar setiap subjek hukum wajib menaati perundang-undangan yang berlaku secara benar, khususnya pemerintah.

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This thesis analyze the form of legal protection and legal action available to protect the holder of Hak Pakai of State Owned Land whom injured by the loss of law abiding acts . The author uses the method of juridical normative research through analytical descriptive by literature and analysist from court decision material. Based on this research, the author concludes that 1) The legal action available is to file a law suit to the court based on Article 1365 Civil Code, and about the validity from the decision of stated administration letter by putting a motion of charge to Administration Court 2) The legal protection form is the available is a court?s decision which has been declared as permanent law. The results suggest every law-subject must obey the available law/ordinance well, especially government.