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  2. Copyright Act of 1976 - Wikipedia

    en.wikipedia.org/wiki/Copyright_Act_of_1976

    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 fifty years after the ...

  3. Fair use - Wikipedia

    en.wikipedia.org/wiki/Fair_use

    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 The fact that a work is unpublished shall not itself bar a finding of fair use if such finding is made upon consideration of all the above factors.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.

  4. Copyleft - Wikipedia

    en.wikipedia.org/wiki/Copyleft

    the freedom to copy and share the work with others. Freedom 3. the freedom to modify the work, and the freedom to distribute modified and therefore derivative works. Similar terms are present in the Open Source Definition, a separate definition that contains similar freedoms.

  5. Wikipedia:FAQ/Copyright - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:FAQ/Copyright

    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 ...

  6. Copyright law of the United States - Wikipedia

    en.wikipedia.org/wiki/Copyright_law_of_the...

    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.

  7. Wikipedia:Copyright assistance - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Copyright_assistance

    / 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.

  8. Copyright infringement - Wikipedia

    en.wikipedia.org/wiki/Copyright_infringement

    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]

  9. Fair use (U.S. trademark law) - Wikipedia

    en.wikipedia.org/wiki/Fair_use_(U.S._trademark_law)

    Descriptive fair use: Using a descriptive mark in an ordinary, descriptive manner to describe a product or service. For example, describing a component within a dehumidifier as "honeycomb-shaped" was a fair use of a registered trademark for HONEYCOMBE dehumidifiers. [1] In other words, for descriptive fair use to arise, the following must be true: