{"id":86789,"key":"Open_hardware_licenses","title":"Open hardware licenses","latest":{"id":880265,"timestamp":"2023-07-13T14:46:58Z"},"content_model":"wikitext","license":{"url":"https://www.appropedia.org/Appropedia:Copyrights","title":"CC-BY-SA-4.0"},"source":"This is a list of current [[open hardware]] licenses. This table is ported from [https://gitlab.com/unixjazz/oh-licenses-contrasts/-/blob/master/OSM-OH-licenses-final.pdf this Open Hardware Licenses report].\n\n{| class=\"wikitable\"\n|-\n!\n! TAPR OHL (v.1.0)\n! CERN OHL (v.1.2)\n! CERN OHL-S (v.2.0)\n! CERN OHL-W (v.2.0)\n! CERN OHL-P (v.2.0)\n! TDPL (v. 1.2)\n! Solderpad (v. 2.0)\n|-\n| Allows proprietary derivatives\n| No\n| No\n| No\n| No\n| Yes\n| No\n| Yes\n|-\n| Allows unmodified redistribution\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n|-\n| Allows combination with proprietary designs\n| No?\n| No?\n| No\n| Yes\n| Yes\n| No?\n| Yes\n|-\n| Allows redistribution under a different licence\n| No\n| No\n| No\n| No\n| Yes\n| No\n| Yes\n|-\n| Allows changing the text of the licence\n| No\n| No\n| No\n| No\n| No\n| No\n| Yes\n|-\n| Requires notifying changes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n|-\n| Requires providing the location for the documentation\n| Yes\n| Yes\n| Yes\n| Yes\n| No\n| Yes\n| Yes\n|-\n| Requires providing a copy of the licence\n| Yes\n| Yes\n| Recommended\n| Recommended\n| Recommended, required if redistributing under a different licence\n| Yes\n| Yes\n|-\n| Requires contacting upstream licensor when distributing modified documentation\n| Best effort attempt\n| No\n| No\n| No\n| No\n| No\n| No\n|-\n| Requires contacting the upstream licensor when producing and distributing products\n| Best effort attempt\n| Optional\n| No\n| No\n| No\n| No\n| No\n|-\n| Requires including the old files with the new, modified files in the documentation\n| Yes\n| No\n| No\n| No\n| No\n| No\n| No\n|-\n| Requires copyright notice to be kept in documentation files\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n|-\n| Requires Notices to be accessible to those who receive products\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| No?\n|-\n| Grants non-exclusive patent licence\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n|-\n| Extends patent litigation immunity to owners of OH-based products\n| Yes\n| No\n| No\n| No\n| No\n| Yes\n| No\n|-\n| Includes patent retaliation clause in event of litigation\n| No\n| No\n| Yes\n| Yes\n| Yes\n| No\n| Yes\n|-\n| Includes grace period for bringing the infringing party into compliance\n| No\n| No\n| Yes\n| Yes\n| N/A\n| No\n| No\n|-\n| Grants trademark licence\n| No\n| No\n| No\n| No\n| No\n| No\n| No\n|-\n| Provides no warranty or guarantee of fitness for any use or purpose\n| Yes, but with one exception\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n| Yes\n|}\n\n{{Page data\n| authors = Luis Felipe Murillo, Pietari Kauttu, Laia Pujol Priego, Andrew Katz, Jonathan Wareham\n| ported-from = https://gitlab.com/unixjazz/oh-licenses-contrasts/-/blob/master/OSM-OH-licenses-final.pdf\n}}"}