Comment by Lazare

> That means, if you use React, and you happen to own a patent for something that FB utilises, you can't sue FB without losing your React license.

Correction: Without losing your license to use any patents on React. Which...

> As far as I can tell nothing about React is patented...

I agree. Which means the entire issue is a huge paper tiger; you lose your right to use something that doesn't seem to exist.