One of the limitations on copyright is the “Fair Use” doctrine, which can be found in section 107 of the copyright law. This broad and flexible doctrine provides instances for when using copyrighted material may be deemed fair. Each of the four factors must be weighed in determining if fair use applies:
Another important consideration is if your use may be transformative. In other words, is your use of the work substantially different from the original intention of the work?
There are many Fair Use checklists developed that have been developed by U.S. universities. These may be useful in helping you determine whether your intended use of a work is fair.