University of Tehran Public Law Studies Quarterly 2423-8120 50 4 2020 12 21 Legal System of Internet Filtering in the United States Legal System of Internet Filtering in the United States 1663 1681 77800 10.22059/jplsq.2018.252537.1675 FA Saeed Rostamalizadeh MA in International Trade Law, Shahid Beheshti University, Tehran, Iran Hamed Haji Molla Mirzaie Assistant Prof., Faculty of Management, University of Tehran- Tehran, Iran Journal Article 2018 02 12 Internet filtering in the United States means the removal or blocking of access to contents shared or seen through the internet within the United States territory. The rigid protection of freedom of opinion and expression against filtering has a root in the First Amendment of the United States Constitution. These protections expanded to the cyber realm; hence the country could not have passed much regulation in order to limit individual’s access to internet contents. However, the United States has an intricate set of mechanisms to regulate the internet and cyberspace.Following two decades of conflicting discussions over cyberspace regulation in the United States, the country couldn’t have achieve legal accord on the admissible limits of freedom of expression and regulating unlawful activities on the internet. Nevertheless, child pornography, gambling, protection of intellectual properties and cyber security are the most important protected issues in the U.S. Internet filtering in the United States means the removal or blocking of access to contents shared or seen through the internet within the United States territory. The rigid protection of freedom of opinion and expression against filtering has a root in the First Amendment of the United States Constitution. These protections expanded to the cyber realm; hence the country could not have passed much regulation in order to limit individual’s access to internet contents. However, the United States has an intricate set of mechanisms to regulate the internet and cyberspace.Following two decades of conflicting discussions over cyberspace regulation in the United States, the country couldn’t have achieve legal accord on the admissible limits of freedom of expression and regulating unlawful activities on the internet. Nevertheless, child pornography, gambling, protection of intellectual properties and cyber security are the most important protected issues in the U.S. https://jplsq.ut.ac.ir/article_77800_afdd4ec2283e61197fc0771e63bfa823.pdf