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Wikipedia Copyright
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Copyright was not invented until after the advent of the printing press and with wider public literacy. As a legal concept, its origins in Britain were from a reaction to printers' monopolies at the beginning of the eighteenth century. Charles II of England was concerned by the unfair copying of books and used the royal prerogative to pass the Licensing Act of 1662 which established a register of licensed books and required a copy to be deposited with the Stationers Company, essentially continuing the licensing of material that had long been in effect. The Statute of Anne was the first real copyright act, and gave the author rights for a fixed period, after which the copyright expired. Copyright has grown from a legal concept regulating copying rights in the publishing of books and maps to one with a significant effect on nearly every modern industry, covering such items as sound recordings, films, photographs, software, and architectural works.
The Berne Convention
The 1886 Berne Convention first established recognition of copyrights among sovereign nations, rather than merely bilaterally. Under the Berne Convention, copyrights for creative works do not have to be asserted or declared, as they are automatically in force at creation: an author need not "register" or "apply for" a copyright in countries adhering to the Berne Convention. As soon as a work is "fixed", that is, written or recorded on some physical medium, its author is automatically entitled to all copyrights in the work, and to any derivative works unless and until the author explicitly disclaims them, or until the copyright expires. The Berne Convention also resulted in foreign authors being treated equivalently to domestic authors, in any country signed onto the Convention.
The UK signed the Berne Convention in 1887 but did not implement large parts of it until 100 years later with the passage of the Copyright, Designs and Patents Act of 1988. The USA did not sign the Berne Convention until 1989.
The regulations of the Berne Convention are incorporated into the World Trade Organization's TRIPS agreement, thus making the Berne Convention practically world-wide.
Copyright notices
Use of a copyright notice — consisting of the letter C inside of a circle (that is, "©"), the abbreviation "Copr.", or the word "Copyright", followed by the year of the first publication of the work and the name of the copyright holder — was part of previous United States statutory requirements. (Note that the letter C inside of parentheses ("(c)") has never been an officially recognized designator.) The proper Copyright notice for audio recordings of musical compositions is a "P" inside a circle which stands for Phonorecord. But in 1989, the U.S. enacted the Berne Convention Implementation Act, amending the 1976 Copyright Act to conform to most of the provisions of the Berne Convention. As a result, the use of copyright notices has become optional to claim copyright, because the Berne Convention makes copyright automatic.[1] However, notice of copyright (using these marks) does have consequences in terms of allowable damages in an infringement lawsuit in some places.
It is important to understand that absence of the copyright symbol does not mean that the work is not covered by copyright. The work once created from originality through 'mental labor' is instantaneously considered copyrighted to that person. Thus, a natural copyright exists from the time a work is invented or created regardless of whether a work has been registered with the U.S. Copyright Office. Since all countries have separate copyright laws, there is no such thing as an International Copyright. The Berne Convention, however, makes the copyright automatic as well. Should Copyright Infringement litigation ensue, registration with the U.S. Copyright Office is highly suggested if one is to prevail in court.
The phrase All rights reserved was once a necessary formal notice that all rights granted under existing copyright law are retained by the copyright holder and that legal action may be taken against copyright infringement. It was provided as a result of the Buenos Aires Convention of 1910, which required some statement of reservation of rights to grant international coverage in all the countries that were signatory to that convention. While it is commonplace to see it, this notice is now superfluous, as every country that is a member of the Buenos Aires Convention is also a member of the Berne Convention, which hold a copyright to be valid in all signatory states without any formality of notice.
This phrase is sometimes still used even on some documents to which the original author does not retain all rights granted by copyright law, such as works released under a copyleft license. It is, however, only a habitual formality and is unlikely to have legal consequences.