The Digital Millennium Copyright Act (DMCA) is a 1998 United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO).
It criminalizes production and dissemination of technology, devices, or services intended to circumvent measures that control access to copyrighted works (commonly known as digital rights management or DRM).
1)-WIPO Copyright and Performances and Phonograms Treaties Implementation Act.
2)-Online Copyright Infringement Liability Limitation Act.
3)-Computer Maintenance Competition Assurance Act.
5)- Vessel Hull Design Protection Act.