Earlier quoted context omitted.
Implied patent licenses: https://www.wilmerhale.com/pages/publicationsandnewsdetail.a... https://copyleft.org/guide/comprehensive-gpl-guidech7.html Basically, if you sell or license a product that requires a patent to work, courts have generally held that you grant an implied patent license for any patents that the product might require. If you explicitly reference patents within the license, however, then whatever t…
Furthermore, suppose you're some company like, say, IBM which figured out some way to say, safely double the energy density and recharge cycles of Lithium Ion batteries, which you have patented. Let's also assume that you are shipping some critical problem which is dependent on React. Facebook could now freely use your patented idea, and violating it left, right, and center, and if you try to sue them for violating t…
Maybe, maybe not. You suing them over your patent would terminate you patent* license from Facebook, but not your copyright license. Whether that fucks you or not depends on whether or not you actually NEED a patent license from Facebook.
As far as I know, no one has actually found a Facebook patent that covers React.