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In most countries that have national copyright laws, copyright applies to the original expression in a work rather than to the meanings or ideas being expressed. Whether a paraphrase is an infringement of expression, or a permissible restatement of an idea, is not a binary question but a matter of degree.
The copyright notice must also contain the year in which the work was first published (or created), and the name of the copyright owner, which may be the author (including the legal author/owner of a work made for hire), one or more joint authors, or the person or entity to whom the copyright has been transferred.
An anti-copyright notice is a specific statement that is added to a work in order to encourage wide distribution. Such notices are legally required to host such specific media; under the Berne Convention in international copyright law , works are protected even if no copyright statement is attached to them.
If such an unpublished work, whose copyright has expired, is then later published, the publisher is entitled for a copyright for 25 years from the year of publication [177] One exception from the rule is works that are already in public domain in their country of origin who are members of the Berne Union and/or WTO. These will enter public ...
Fair use allows us to quote short sections from copyrighted primary sources, if relevant to explaining the topic of an article. For instance, we can quote a sentence or two from a movie review in an article on the movie, or quote a small portion of a modern poem in order to illustrate its style.
All published derivative works must use exactly the same license as the original: if you use the work, you're forced to use the same license for your own original work as well. If your work is using a different license, you can't use the copyleft license, even if your work is also using a (different) copyleft licence. If you don't want to ...
The statute does not clearly define fair use, but instead gives four non-exclusive factors to consider in a fair use analysis. Those factors are: the purpose and character of one's use; the nature of the copyrighted work; what amount and proportion of the whole work was taken;
Using a large portion of the copyrighted work is less likely to be fair use. However, courts have occasionally found use of an entire work to be fair use, and in other contexts, using even a small amount of a copyrighted work was determined not to be fair use because the selection was an important part—or the "heart"—of the work.