Protects creative works of authorship and the way in which they can or cannot be used by others. The exclusive rights include the right to make copies, authorizing others to make copies, authorizing others to make derivative works, marketing and selling the work, etc. Copyright law protects the creative expression of ideas fixed in tangible media, but copyright law does not protect the ideas themselves.
Granted by the U.S. Patent and Trademark Office, a patent grants the patentee the right to prevent others from making, using or selling an invention for a period of 20 years from the date of filing. Patent rights are a form of personal property.