How Long Does Copyright Protection Last?
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Copyright is something that protects the work of a person. However, copyright doesn't protect it forever. Once a person wrote a book (for example), it will be protected for 70 years after death. After that, it goes into the public domain. When a piece of work goes into the public domain, you can use and copy it without permission. If two people wrote the book, the 70 years would count after the last author died. If the author is unknown, copyright lasts for either 95 years from publication or 120 years from creation. It depends on which is shorter.