…ways copyrighted by Facebook. And they grant you a patent license as long as you’re nice to them by never suing Facebook for patent infringement.If you’re a startup, you should not use React (reflecting on the BSD + patents license)38K100Raúl KripalaniTracy FrancisFollowAug 22, 2017 · 1 min readYeah but how much is a legal battle going to cost?