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安裝中文字典英文字典辭典工具!








  • U. S. Copyright Office
    What is Copyright? Learn about the basics of copyright with our online reference page
  • Copyright basics | USPTO
    A copyright is a form of protection provided by U S law to the authors of "original works of authorship" fixed in any tangible medium of expression Learn more about the basics of copyrights
  • Copyright - Wikipedia
    The most recent major overhaul of copyright in the US, the Copyright Act of 1976, extended federal copyright to works as soon as they are created and "fixed", without requiring publication or registration
  • Copyright - Intellectual Property Law: A Beginners Guide - Research . . .
    Copyright is a form of intellectual property that protects original works of authorship fixed in a tangible medium of expression, including literary, dramatic, musical, and artistic works, as well as software
  • Copyright Basics | UW-Madison Libraries
    What is copyright? Copyright is a form of legal protection automatically provided to creative works such as books, music, or art Copyright law is intended to encourage people to create new works
  • Copyright | Definition, Examples, Facts | Britannica
    copyright, the exclusive, legally secured right to reproduce, distribute, and perform a literary, musical, dramatic, or artistic work
  • Copyright Office | USAGov
    The Copyright Office administers the national copyright system and provides advice on copyright law to congress, federal agencies, the courts and the public
  • Copyright Basics - Copyright 101 - Guides at Dahlgren Memorial Library
    According to the World Intellectual Property Organization, WIPO (the leading international copyright organization) "copyright (or author’s right) is a legal term used to describe the rights that creators have over their literary and artistic works


















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