There's no one right answer as to what constitutes a fair use of a particular copyrighted work. The answer varies from situation to situation.
Four factors are considered in all fair use evaluations. They are:
These four factors are not meant to be exclusive and must be examined together. The statute does not indicate how much weight is to be accorded each factor, therefore, it is advisable to treat the four factors equally.
For help in making a fair use evaluation, please see the links below. The Columbia checklist is a printable PDF, while the American Library Association's Evaluator walks you through creating a fair use document for your records. In the event of a lawsuit, having such a document may help you prove you made a good faith effort to comply with the fair use clause of U.S. Copyright Law.
This tool provides useful language for describing proposed uses and creates a PDF that can be saved and printed for your records.
This site gives some background on fair use, as well as a printable checklist.
A listing of fair use cases that have gone to trial and how they resolved (fair use, not fair use, mixed) in different areas, including scholarship and creative work.
Below is a list of best practices in Fair Use for different situations and subjects.
The College Art Association (CAA) provides visual-arts professionals with a set of principles and best practices in the fair use of copyrighted materials in scholarship, teaching, museums, archives, and in the creation of art .
The International Communication Association (ICA) developed this code of best practices to help U.S. communication scholars to interpret the copyright doctrine of fair use.
The Association of Research Libraries (ARL) presents a clear and easy-to-use statement of fair and reasonable approaches to fair use developed by and for librarians who support academic inquiry and higher education.