Copyright, a form of intellectual property law, protects original works of authorship including literary, dramatic, musical, and artistic works, such as poetry, novels, movies, songs, computer software, and architecture. Copyright does not protect facts, ideas, systems, or methods of operation, although it may protect the way these things are expressed.
Fair use is a limitation on someone's ability to assert copyright infringement. In court, it operates as a defense that an individual can assert if sued for infringement.
Fair use can be found in 17 U.S.C. Section 107 (The Copyright Act).
The preamble to fair use provides that reproduction of copyrighted works may be made for "purposes such as criticism, comment, news reporting, teaching (including multiple copies for classroom use), scholarship, or research . . ."
Thus, academic uses may qualify as a fair use. There are a few things to be aware of, though: