The official website for the Producers Guild of America.

The official website for the Director's Guild of America.

The official website for The American Society of Cinematographers. 

Creative Commons is a nonprofit organization that enables the sharing and use of creativity and knowledge through free legal tools. Our free, easy-to-use copyright licenses provide a simple, standardized way to give the public permission to share and use your creative work - on conditions of your choice. CC licenses let you easily change your copyright terms from the default of "all rights reserved" to "some rights reserved."

This is the site for the IPEC. A regulatory and enforcement branch of the U.S. government that investigates intellectual property claims, violations and infringements. It also establishes regulations to protect and secure intellectual property through changing technologies and methods globally.

HFA provides the following services to its affiliated publishers: Issues mechanical licensesCollects mechanical royaltiesDistributes mechanical royalties, and synchronization fees for licenses granted prior to 2002.Conducts royalty examinationsInvestigates and negotiates new business opportunitiesPursues piracy claims

This is the U.S. Copyright Office's web portal to pre-register, register and submit for copyright. I have used this for musical works and lyrical work for songwriters and artists. Easy to use navigation and explanation of terms. A great one stop shop to begin the process of copyrighting your material. This is a department of the Library of Congress. 

The United States Patent and Trademark Office website. Not the Copyright Office website, this is a particular source for trademarking and patenting products and trademarking.