Copyright grants its holder the sole legal right to copy works of original expression, such as literary works, movies, musical works, sound recordings, paintings, computer programs, or industrial designs, for a defined period of time.
Copyright only pertains to ideas that are in a tangible form. An idea for a movie may not be copyright protected but a screenplay is copyright protected.
What is Fair Use?
Title 17, Section 107 of the United States Code is the fair use doctrine. This doctrine provides that certain uses of copyrighted works for purposes such as "criticism, comment, news reporting, teaching, scholarship or research" are permitted without copyright permission. The points to consider in order to determine fair use are:
What is Public Domain?