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For works published before January 1, 1978, the 1998 act extended the renewal term from 47 years to 67 years, granting a total of 95 years. This law effectively froze the advancement date of the public domain in the United States for works covered by the older fixed term copyright rules. Under this Act, works made in 1923 or afterwards that ...
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 first-sale doctrine (also sometimes referred to as the "right of first sale" or the "first sale rule") is an American legal concept that limits the rights of an intellectual property owner to control resale of products embodying its intellectual property. The doctrine enables the distribution chain of copyrighted products, library lending ...
The clause was interpreted as two distinct powers: the power to secure for limited times to authors the exclusive right to their writings is the basis for U.S. copyright law, and the power to secure for limited times to inventors the exclusive rights to their discoveries is the basis for U.S. patent law.
Common law copyright is the legal doctrine that grants copyright protection based on common law of various jurisdictions, rather than through protection of statutory law. In part, it is based on the contention that copyright is a natural right and creators are therefore entitled to the same protections anyone would be in regard to tangible and ...
v. t. e. Limitations and exceptions to copyright are provisions, in local copyright law or the Berne Convention, which allow for copyrighted works to be used without a license from the copyright owner. Limitations and exceptions to copyright relate to a number of important considerations such as market failure, freedom of speech, [1] education ...
The Norwegian copyright act does not address public domain directly. The Norwegian copyright law defines two basic rights for authors: economic rights and moral rights. [..] For material that is outside the scope of copyright, the phrase «i det fri» («in the free») is used. This corresponds roughly to the term «public domain» in English.
These characters allow any polynomial, chemical and certain other equations to be represented in plain text without using any form of markup like HTML or TeX. The World Wide Web Consortium and the Unicode Consortium have made recommendations on the choice between using markup and using superscript and subscript characters: