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Danny Thorne

Copyleft - Wikipedia, the free encyclopedia - 0 views

  • Under copyleft, copyright infringement may be avoided if the would-be infringer perpetuates the same copyleft scheme. For this reason copyleft licenses are also known as viral or reciprocal licenses.
  • when Richard Stallman was working on a Lisp interpreter. Symbolics asked to use the Lisp interpreter, and Stallman agreed to supply them with a public domain version of his work. Symbolics extended and improved the Lisp interpreter, but when Stallman wanted access to the improvements that Symbolics had made to his interpreter, Symbolics refused. Stallman then, in 1984, proceeded to work towards eradicating this emerging behavior and culture of proprietary software, which he named software hoarding.[2]
  • he created his own copyright license, the Emacs General Public License > [3] > , the first copyleft license. > This later evolved into the GNU General Public License
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  • in most European countries it is not permitted for a software distributor to waive all warranties regarding a sold product. For this reason the extent of such warranties are specified in most European copyleft licenses. Regarding that, see the CeCILL license, a license that allows one to use GNU GPL (see article 5.3.4 of CeCILL) in combination with a limited warranty (see article 9 of CeCILL).
Danny Thorne

Did You Say "Intellectual Property"? It's a Seductive Mirage - GNU Project - Free Softw... - 0 views

  • The term carries a bias that is not hard to see: it suggests thinking about copyright, patents and trademarks by analogy with property rights for physical objects. (This analogy is at odds with the legal philosophies of copyright law, of patent law, and of trademark law, but only specialists know that.) These laws are in fact not much like physical property law, but use of this term leads legislators to change them to be more so. Since that is the change desired by the companies that exercise copyright, patent and trademark powers, the bias of “intellectual property” suits them.
  • one issue relating to copyright law is whether music sharing should be allowed. Patent law has nothing to do with this. Patent law raises issues such as whether poor countries should be allowed to produce life-saving drugs and sell them cheaply to save lives. Copyright law has nothing to do with such matters.
  • If you want to think clearly about the issues raised by patents, or copyrights, or trademarks, the first step is to forget the idea of lumping them together, and treat them as separate topics.
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