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2 IFOSS L. Rev. 107 (2010)
License Profile: Apache License, Version 2.0

handle is hein.journals/ifosslr2 and id is 117 raw text is: Licence Profile: Apache License, Version 2.0 Licence Profile: Apache License, Version 2.0 Andrew Sinclait' (a) Legal Counsel, Canonical USA, Inc. DOI: 10.5033/ifosslr.v2i2.42 Abstract The Apache License, Version 2.0 is a widely used permissive open source software license which builds on the terms of other permissive open source licenses to produce a license with similar principles to those of licenses like the BSD License and MIT License, but with expanded terms such as a more developed copyright licence grant and a patent licence grant. This article is short overview of the license. Keywords Apache License; Law; information technology; Free and Open Source Software Info This item is part of the Articles section of IFOSS L. Rev. For more information, please consult the relevant section policies statement. This article has been independently peer-reviewed. As a permissive open source licence (an open source licence that features broad permissions and no copyleft provision), the Apache License, Version 2.01 (hereinafter referred to as the Apache License) has similar legal effects to those of licences like the BSD License, MIT License and historic permission notices. The Apache License is not as popular as these if measured by number of projects, but it is a significant open source licence due to the importance of the projects that use it, such as the Apache HTTP server, which is used by over 50% of all web servers.2 The Apache License is also more developed than simpler licences like the BSD License. As a result, it relies less on common community interpretation to overcome potential legal ambiguities, while still retaining the core terms of a permissive open source licence.3 1 http://www.apache.org/licenses/LICENSE-2.0.html [hereinafter Apache License] 2 htW://news.netcraft.com/archives/2010/11/05/november-2010-web-server-survey.html 3 For a discussion of potential legal ambiguities of the BSD License, see Sinclair, Andrew (2010) 'Licence Profile: BSD', IFOSS L. Rev., 2(1), pp 1 - 6, DOI:10.5033/ifosslr.v2il.28 International Free and Open Source Software Law Review 107 Vol. 2, Issue 2

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