Plagiarism is not only a violation of the law, but also a violation of Moral Rights, especially when the identity of the author is not mentioned intentionally in the quotation, which is a violation of moral rights. In the context of Copyright, respect for moral rights requires citations from other people's work to be accompanied by clear sources. Plagiarism is considered one of the greatest sins in academia because it threatens the authenticity of the work and scientific integrity. Copyright is usually violated if the material is done without permission from the exclusive rights owner, the purpose of this study is to examine and analyze related to the urgency of legal protection to the copyright owner of scientific works against plagiarism, and to analyze the ideal concept of criminalization policy against plagiarism of scientific work copyright owners in Indonesia in the future, This research method uses normative juridical research methods, the results of this study found that legal protection of copyright owners of scientific works against plagiarism is very important in maintaining academic and scientific integrity. Copyright provides comprehensive protection of the work, covering the economic and moral aspects of the creator. Criminal law reform needs to clarify the provisions governing plagiarism, including the explicit use of the term "plagiarism" in the Copyright Law, changing the type of offense to ordinary types of offenses to increase the effectiveness of law enforcement, and imposing strict criminal sanctions against plagiarism perpetrators.