233 Journal of Legal Research: V 20, Issue 45, Spring 2021 Copyright & Creative Commons: © Te Author(s). 2021 Open Access. Tis article is licensed under a Creative Commons Attri- bution Non-Commercial License 4.0, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. To view a copy of this licence, visit https:// creativecommons.org/licenses/by-nc/4.0/. Challenges of “Virtual Reality” Tools in the Field of Computer Games (A Comparative Study in Iran and the US Legal Systems) 1. Assistant Professor of Private Law, Business Department, Faculty of Entrepreneurship, University of Tehran, Tehran, Iran. *. Corresponding Author: hosadeghi@ut.ac.ir 2. Ph.D. Student in Private Law, Faculty of Law, University of Judicial Sciences and Administrative Services, Tehran, Iran. Email: mn.ujsasac0077@yahoo.com Hossein Sadeghi 1 *, Mahdi Naser 2 Publisher: Shahr-e- Danesh Research And Study Insttute of Law Artcle Type: Original Research DOI: 10.48300/JLR.2021.129113 Received: 13 January 2020 Accepted: 5 April 2020 Published: 22 May 2021 With the development of technology, active companies are able to produce new tools that can simulate human movements in cyberspace. The use of these tools, known as “virtual reality” has many challenges in various legal areas, including intellectual property rights. Challenges to the requirement or non-requirement of the manufacturer of these tools to present their manufacturing technology to the service company and derivative issues raised, issues of over copyright, trademark rights, and copyrights, challenges associated with the compensation mechanism in violations of intellectual property rights of related software tools, related to the theft of personal information or user biometric properties, and the impact on users’ psychological and psychological state ABSTRACT