A DMCA Takedown Notice is a type of legal document which addresses theft of copyrighted content or copyright infringement.
It is generally delivered to website owners, ISP's / Hosting Companies and individuals illegally downloading copyrighted content. A DMCA Takedown Notice gets it name from a section of the US Copyright Act called the Digital Millennium Copyright Act. The DMCA specfically address copyright violation and enforcement over the internet.
DMCA Takedown Notices must be created and submitted in a specific manner so as to comply with website, the ISP or hosting company and copyright act specific to the country in which the website is being hosted. Failure to do this means the "notice" will not be followed by any party involved in the copyright infringement.
DMCA.com is a recognized expert in the creation and processing of DMCA Takedown Notices.