Fair use, at its most basic, is the unlicensed use of copyrighted works in certain circumstances. It's purpose is to promote freedom of expression but the use must meet fair use criteria to be legal. It presumes the use is minimal enough that it does not interfere with the copyright holder's rights.
Uses that may quality for fair use are:
Outside of the UT System license, use of copyrighted material is dependent on Fair Use, which is defined under Section 107 of the United States Copyright Law.
See the Fair Use Index for additional information.
It is always important to analyze how you are going to use a particular work against the following four factors of fair use:
The Fair Use Evaluator can help you decide if you are using copyrighted material "fairly" under the U.S. Copyright Law.
The following charts can provide helpful information on deciding if you are using copyrighted material fairly:
Public domain refers to works that do not fall under copyright restrictions.
Three main categories of public domain works: