Earlier quoted context omitted.
From Mark Thomas's comment on this bug: > My reading of that is if you use this code and Facebook infringes a completely unrelated patent that you own, you can't sue them for infringement without giving up this patent license. That is much broader than the language in the ALv2 which is limited to a single work. So it almost certainly doesn't affect personal projects unless you are the sort of person who files for pat…
I think this is misleading. In the event that you bring a patent infringement case against Facebook, you still have a license to use react, but you lose the patent rights that would cover you if you came up with something that infringed on a Facebook patent. Meaning that you now have to fight your case in court without any protection. You're safer with this license and the patent grant, than you are without it. The B…
Without an explicit mention of patents, it's up to the courts to decide whether the grant of usage rights includes an implicit grant of patent right. With an explicit mention, you're hosed.