Open source license copyright litigation Jacobsen v Katzer (2008) 7.7 China's courts rulings on open-source licensing (2018).7 Other/international open source license litigation.6 Open source software trade secrets litigation.5 Open source software fair use litigation.International Business Machines Corp (2006) 3.2 Enfish LLC v Microsoft Corp (2016).3.1 Diamond v Diehr (1981), Bilski v Kappos (2010), and Alice Corporation Pty Ltd v CLS Bank International (2014).2.2 SCO Group Inc v International Business Machines Corporation (2017).2.1 Artifex Software Inc v Hancom Inc (2017).2 Open source license as a contract litigation.1 Open source license copyright litigation.This page includes significant open source license litigation to illustrate the courts past and current views on different licences and legal issues. The courts, mainly in the United States, have since grappled with the copyright contractual and patent issues resulting from questions of legal validity of the GPL and other such off-shooting open source licenses. This license has since been revised twice, known as the GPL Version 2 and Version 3. Stallman also invented copyleft, a legal mechanism to maintain the free status of a work on modified versions and implemented this through the GNU General Public License (GPL). He established a non-profit organization, the Free Software Foundation, in 1985, to more formally organize the project. Richard Stallman founded the GNU Project in 1983, so that people could use computers using only free software, which allowed the further modification of the programs initially written by others. ( August 2021) ( Learn how and when to remove this template message) This article may require copy editing for grammar, style, cohesion, tone, or spelling.

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