It is useful to be aware of and understand copyright laws and fair use guidelines, especially as they pertain to academic work.
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The United States copyright laws are designed to prevent people from copying and distributing other people's work without permission. This includes both paper copies (i.e., photocopies, typewritten copies, etc.) and electronic copies (scanned or uploaded).
In an academic setting there is a fair use exception to the permission requirement, but it is only available if you meet the guidelines. If you do not meet the guidelines, permission must be sought.
Fair Use is a doctrine of the United States copyright law that allows limited use of copyrighted works without seeking permission typically for the purposes of criticism, comment, news reporting, teaching, scholarship, and research. In determining whether or not use of a copyrighted work is fair the following factors should be considered: