Separate the patent clause from the license into its own file (Plasma…

…Py#1686)

* Copy current license to licenses folder

* Split license and patent grant

* Link to license from PATENT.md

* Update license links and information

* Remove section header

* Add changelog entry

* Move old license to folder

* Update license in CITATION.cff

CITATION.cff

@@ -22,7 +22,7 @@ keywords:
   - physics
   - particles
   - science
-license: BSD-3-Clause-Patent
+license: BSD-3-Clause
 cff-version: 1.2.0
 authors:
   - given-names: Nicholas

LICENSE.md

@@ -16,33 +16,6 @@ modification, are permitted provided that the following conditions are met:
   to endorse or promote products derived from this software without specific
   prior written permission.
 
-Subject to the terms and conditions of this license, each copyright
-holder and contributor hereby grants to those receiving rights under
-this license a perpetual, worldwide, non-exclusive, no-charge,
-royalty-free, irrevocable (except for failure to satisfy the
-conditions of this license) patent license to make, have made, use,
-offer to sell, sell, import, and otherwise transfer this software,
-where such license applies only to those patent claims, already
-acquired or hereafter acquired, licensable by such copyright holder or
-contributor that are necessarily infringed by:
-
-(a) their Contribution(s) (the licensed copyrights of copyright
-holders and non-copyrightable additions of contributors, in source or
-binary form) alone; or
-
-(b) combination of their Contribution(s) with the work of authorship
-to which such Contribution(s) was added by such copyright holder or
-contributor, if, at the time the Contribution is added, such addition
-causes such combination to be necessarily infringed. The patent
-license shall not apply to any other combinations which include the
-Contribution.
-
-Except as expressly stated above, no rights or licenses from any
-copyright holder or contributor is granted under this license, whether
-expressly, by implication, estoppel or otherwise.
-
-## Disclaimer
-
 This software is provided by the copyright holders and contributors "as is"
 and any express or implied warranties, including, but not limited to, the
 implied warranties of merchantability and fitness for a particular purpose are

PATENT.md

@@ -0,0 +1,28 @@
+# Patent grant
+
+[license]: ./LICENSE.md
+
+Subject to the terms and conditions of this [license], each copyright
+holder and contributor hereby grants to those receiving rights under
+this license a perpetual, worldwide, non-exclusive, no-charge,
+royalty-free, irrevocable (except for failure to satisfy the
+conditions of this license) patent license to make, have made, use,
+offer to sell, sell, import, and otherwise transfer this software,
+where such license applies only to those patent claims, already
+acquired or hereafter acquired, licensable by such copyright holder or
+contributor that are necessarily infringed by:
+
+(a) their Contribution(s) (the licensed copyrights of copyright
+holders and non-copyrightable additions of contributors, in source or
+binary form) alone; or
+
+(b) combination of their Contribution(s) with the work of authorship
+to which such Contribution(s) was added by such copyright holder or
+contributor, if, at the time the Contribution is added, such addition
+causes such combination to be necessarily infringed. The patent
+license shall not apply to any other combinations which include the
+Contribution.
+
+Except as expressly stated above, no rights or licenses from any
+copyright holder or contributor is granted under this license, whether
+expressly, by implication, estoppel or otherwise.

README.md

@@ -26,6 +26,7 @@
 
 [Anaconda Navigator]: https://docs.anaconda.com/anaconda/navigator/index.html
 [Astropy]: https://www.astropy.org
+[3-clause BSD license]: ./LICENSE.md
 [calendar]: https://calendar.google.com/calendar/embed?src=c_sqqq390s24jjfjp3q86pv41pi8%40group.calendar.google.com&ctz=America%2FNew_York
 [citation instructions]: https://docs.plasmapy.org/en/latest/about/citation.html
 [code of conduct]: http://docs.plasmapy.org/en/latest/CODE_OF_CONDUCT.html
@@ -57,6 +58,7 @@
 [PlasmaPy Community on Zenodo]: https://zenodo.org/communities/plasmapy
 [PlasmaPy]: https://www.plasmapy.org
 [PlasmaPy's online documentation]: https://docs.plasmapy.org
+[protections against software patents]: ./PATENT.md
 [Python]: https://www.python.org
 [Smithsonian Institution]: https://www.si.edu
 [submit a bug report]: https://github.com/PlasmaPy/PlasmaPy/issues/new?assignees=&labels=&template=Bug_report.md
@@ -201,8 +203,8 @@ computational magnetohydrodynamics.
 
 ## License
 
-PlasmaPy is permissively licensed under a [3-clause BSD license with
-added protections against software patents](LICENSE.md).
+PlasmaPy is permissively licensed under a [3-clause BSD license] with
+added [protections against software patents].
 
 ## Citing PlasmaPy
 

changelog/1686.doc.rst

@@ -0,0 +1 @@
+Split the patent clause from the license into its own file.

codemeta.json

@@ -1,7 +1,7 @@
 {
     "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
     "@type": "SoftwareSourceCode",
-    "license": "https://spdx.org/licenses/BSD-2-Clause-Patent",
+    "license": "https://spdx.org/licenses/BSD-3-Clause",
     "codeRepository": "https://github.com/PlasmaPy/plasmapy",
     "contIntegration": "https://dev.azure.com/plasmapy/PlasmaPy",
     "issueTracker": "https://github.com/PlasmaPy/PlasmaPy/issues",

licenses/PlasmaPy_LICENSE_Oct2017_to_Aug2022.md

@@ -0,0 +1,55 @@
+# PlasmaPy License
+
+Copyright (c) 2015–2022, PlasmaPy Developers.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of PlasmaPy nor the names of its contributors may be used
+  to endorse or promote products derived from this software without specific
+  prior written permission.
+
+Subject to the terms and conditions of this license, each copyright
+holder and contributor hereby grants to those receiving rights under
+this license a perpetual, worldwide, non-exclusive, no-charge,
+royalty-free, irrevocable (except for failure to satisfy the
+conditions of this license) patent license to make, have made, use,
+offer to sell, sell, import, and otherwise transfer this software,
+where such license applies only to those patent claims, already
+acquired or hereafter acquired, licensable by such copyright holder or
+contributor that are necessarily infringed by:
+
+(a) their Contribution(s) (the licensed copyrights of copyright
+holders and non-copyrightable additions of contributors, in source or
+binary form) alone; or
+
+(b) combination of their Contribution(s) with the work of authorship
+to which such Contribution(s) was added by such copyright holder or
+contributor, if, at the time the Contribution is added, such addition
+causes such combination to be necessarily infringed. The patent
+license shall not apply to any other combinations which include the
+Contribution.
+
+Except as expressly stated above, no rights or licenses from any
+copyright holder or contributor is granted under this license, whether
+expressly, by implication, estoppel or otherwise.
+
+## Disclaimer
+
+This software is provided by the copyright holders and contributors "as is"
+and any express or implied warranties, including, but not limited to, the
+implied warranties of merchantability and fitness for a particular purpose are
+disclaimed. In no event shall the copyright holder or contributors be liable
+for any direct, indirect, incidental, special, exemplary, or consequential
+damages (including, but not limited to, procurement of substitute goods or
+services; loss of use, data, or profits; or business interruption) however
+caused and on any theory of liability, whether in contract, strict liability,
+or tort (including negligence or otherwise) arising in any way out of the use
+of this software, even if advised of the possibility of such damage.

setup.cfg

@@ -5,7 +5,7 @@ author = PlasmaPy Community
 description = Python package for plasma physics
 long_description = file: README.md
 long_description_content_type = text/markdown
-license = BSD+Patent
+license = BSD-3-Clause
 license_file = LICENSE.md
 url = https://www.plasmapy.org
 project_urls =