<story><title>Facebook React.js License</title><url>http://www.elcaminolegal.com/single-post/2016/10/04/Facebook-Reactjs-License</url></story><parent_chain><item><author>mjg59</author><text>Version 2 of the Apple Public Source License includes the following termination clause:&lt;p&gt;12.1	Termination.  This License and the rights granted hereunder will terminate:&lt;p&gt;…&lt;p&gt;(c)	automatically without notice from Apple if You, at any time during the term of this License, commence an action for patent infringement against Apple; provided that Apple did not first commence an action for patent infringement against You in that instance.&lt;p&gt;Like the React patent grant, this applies to &lt;i&gt;any&lt;/i&gt; patent suit, not just ones that allege that the covered software infringes. The Open Source Initiative considers APSLv2 an Open Source license, and the Free Software Foundation considers it a Free Software license. Note that this clause terminates your &lt;i&gt;copyright&lt;/i&gt; license, not merely your patent license - it&amp;#x27;s significantly stronger than the React rider.&lt;p&gt;So I think the claim that it&amp;#x27;s not open source is a bit strong, even though I find this sort of language pretty repugnant.</text></item></parent_chain><comment><author>TAForObvReasons</author><text>Microsoft is not necessarily a paragon of open source, but many of their open source projects use unadulterated OS licenses.&lt;p&gt;Typescript is Apache 2: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;Microsoft&amp;#x2F;TypeScript&amp;#x2F;blob&amp;#x2F;master&amp;#x2F;LICENSE.txt&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;Microsoft&amp;#x2F;TypeScript&amp;#x2F;blob&amp;#x2F;master&amp;#x2F;LICENSE....&lt;/a&gt;&lt;p&gt;Visual Studio Code is MIT: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;Microsoft&amp;#x2F;vscode&amp;#x2F;blob&amp;#x2F;master&amp;#x2F;LICENSE.txt&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;github.com&amp;#x2F;Microsoft&amp;#x2F;vscode&amp;#x2F;blob&amp;#x2F;master&amp;#x2F;LICENSE.txt&lt;/a&gt;</text></comment>
<story><title>Facebook React.js License</title><url>http://www.elcaminolegal.com/single-post/2016/10/04/Facebook-Reactjs-License</url></story><parent_chain><item><author>mjg59</author><text>Version 2 of the Apple Public Source License includes the following termination clause:&lt;p&gt;12.1	Termination.  This License and the rights granted hereunder will terminate:&lt;p&gt;…&lt;p&gt;(c)	automatically without notice from Apple if You, at any time during the term of this License, commence an action for patent infringement against Apple; provided that Apple did not first commence an action for patent infringement against You in that instance.&lt;p&gt;Like the React patent grant, this applies to &lt;i&gt;any&lt;/i&gt; patent suit, not just ones that allege that the covered software infringes. The Open Source Initiative considers APSLv2 an Open Source license, and the Free Software Foundation considers it a Free Software license. Note that this clause terminates your &lt;i&gt;copyright&lt;/i&gt; license, not merely your patent license - it&amp;#x27;s significantly stronger than the React rider.&lt;p&gt;So I think the claim that it&amp;#x27;s not open source is a bit strong, even though I find this sort of language pretty repugnant.</text></item></parent_chain><comment><author>WildUtah</author><text>It does not apply to &lt;i&gt;any&lt;/i&gt; patent suit. A petition for DJ against a demand letter, for instance, would not be included. A PGR at the PTO, even when appealed to courts is not included. An interference proceeding at court against Apple is not included.</text></comment>