Fair Use Network. (Online information resource)
Abstract: The Fair Use Network was created because of the many questions that artists, writers, and others have about "IP" issues. Whether you are trying to understand your own copyright or trademark rights, or are a "user" of materials created by others, the information here will help you understand the system and especially its free-expression safeguards.
If you have received a "cease and desist" letter from a copyright or trademark owner, or a notice from your Internet service provider about a "takedown" letter, you'll also find useful information on this site.
Build Your Own DMCA Counter-Notice. (form)
Abstract: If you believe your Internet Service Provider has wrongly received notice of claimed infringement on your website, you may send a counter-notification. Use this form to generate the required letter.
Service Provider Designation of Agent for Notification of Claims of Infringement, Library of Congress
Abstract: The Digital Millennium Copyright Act subsection 512(c) provides limitations on service provider liability with respect to information residing, at direction of a user, on a system or network that the service provider controls or operates, if the service provider has designated an agent for notification of claimed infringement by providing contact information to the Copyright Office and through the service providers publicly accessible website. 17 U.S.C. 512(c).
The Copyright Office has published requirements by which a service provider may designate an agent to receive notifications of claimed infringement.