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the effect of the use upon the potential market for or value of the copyrighted work. The fact that a work is unpublished shall not itself bar a finding of fair use if such finding is made upon consideration of all the above factors. [9] Joseph Story wrote the opinion in Folsom v. Marsh.
Free-software licenses that use "weak" copyleft include the GNU Lesser General Public License and the Mozilla Public License. The GNU General Public License is an example of a license implementing strong copyleft. An even stronger copyleft license is the AGPL, which requires the publishing of the source code for software as a service use cases.
Term of protection. Previous copyright law set the duration of copyright protection at 28 years with a possibility of a 28 year extension, for a total maximum term of 56 years. The 1976 Act, however, substantially increased the term of protection. Section 302 of the Act extended protection to "a term consisting of the life of the author and ...
/ Can I copy-paste this text into Wikipedia? Possible/suspected violation; Complex issues/fair use checking – fair use is singled out as a complex issue, because often, when disputed, it is a matter of judgement whether the specified use is, or isn't, likely to be reasonable fair use.
If the image is tagged as Fair use, then most probably you cannot.See the Fair use section for more details. You can for all other images released under the Creative Commons Attribution-Sharealike 3.0 Unported License or a similarly free license provided you abide by the license conditions – include a link back to the wikipage for that picture or to the creator's website and license any ...
The laws implementing these limitations and exceptions for uses that would otherwise be infringing broadly fall into the categories of either fair use or fair dealing. In common law systems, these fair practice statutes typically enshrine principles underlying many earlier judicial precedents, and are considered essential to freedom of speech. [62]
The copyright law of the United States grants monopoly protection for "original works of authorship". [1][2] With the stated purpose to promote art and culture, copyright law assigns a set of exclusive rights to authors: to make and sell copies of their works, to create derivative works, and to perform or display their works publicly.
The common law doctrine of fair abridgment was created in Gyles v Wilcox, which eventually evolved and prompted the doctrine of fair dealing to permit the unauthorized copying of copyrighted works in certain circumstances. The ability to copy copyrighted works in an unauthorized manner is essential.