Earlier quoted context omitted.
From the linked FAQ: >> Does the additional patent grant in the Facebook BSD+Patents license terminate if I sue Facebook for something other than patent infringement? > No. >> Does the additional patent grant in the Facebook BSD+Patents license terminate if Facebook sues me for patent infringement first, and then I respond with a patent counterclaim against Facebook? > No, unless your patent counterclaim is related t…
> immediately sue me for infringement. Of what? Patents are public; link me the patent you think they'd sue you for infringing. :)
If they really want to crush little ol' me, I'm sure their legal team can find something in their existing patent warchest that would apply to React.
Plus we don't know if they have applied for patents that would apply to React that are still under review.