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No, you lose the patent license, not the copyright license. From Facebook's blog post: > The patent grant says that if you're going to use the software we've

No, you lose the patent license, not the copyright license. From Facebook's blog post: > The patent grant says that if you're going to use the software we've released under it, you lose the patent license from us if you sue us for patent infringement. https://code.facebook.com/posts/112130496157735/explaining-react-s-license/ https://code.facebook.com/posts/112130496157735/explaining-r...

fhrow4484 9y ago
Which one has more value? A file included in the repo, written in legalese, on which Every single source code file's copyright headers point to (and the README file as well), or an ambigous blog post? Reading the file in its current form (https://github.com/facebook/react/blob/b8ba8c83f318b84e42933f6928f231dc0918f864/PATENTS https://github.com/facebook/react/blob/b8ba8c83f318b84e42933...), You lose the license to make, have made, use, sell, offer to sell, import, and otherwise transfer the [React] Software.
- yorwba 9y ago
  You lose the license granted in the PATENTS file, but you might not lose the license granted in the LICENSE file. (IANAL, so no idea whether that's true.)
mcbits 9y ago
My reading must be off, then. Is "under any Necessary Claims" the magic phrase?
- antoncohen 9y ago
  Yeah, it is defined at the bottom of the file: > A "Necessary Claim" is a claim of a patent owned by Facebook that is necessarily infringed by the Software standing alone. So when they say "license under any Necessary Claims" they are granting a patent license, the copyright license in the LICENSE file is separate. The FAQ link provided by silentstreet makes it very clear: > Does termination of the additional patent grant in the Facebook BSD+Patents license cause the copyright license to also terminate? > > No. https://code.facebook.com/pages/850928938376556 https://code.facebook.com/pages/850928938376556
chrisco255 9y ago
Does the additional patent grant in the Facebook BSD+Patents license terminate if I create a competing product? No. 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 to Facebook's software licensed under the Facebook BSD+Patents license. Does termination of the additional patent grant in the Facebook BSD+Patents license cause the copyright license to also terminate? No. From: https://code.facebook.com/pages/850928938376556 https://code.facebook.com/pages/850928938376556

fhrow4484 9y ago

Which one has more value? A file included in the repo, written in legalese, on which Every single source code file's copyright headers point to (and the README file as well), or an ambigous blog post? Reading the file in its current form (https://github.com/facebook/react/blob/b8ba8c83f318b84e42933f6928f231dc0918f864/PATENTS https://github.com/facebook/react/blob/b8ba8c83f318b84e42933...), You lose the license to make, have made, use, sell, offer to sell, import, and otherwise transfer the [React] Software.

yorwba 9y ago
You lose the license granted in the PATENTS file, but you might not lose the license granted in the LICENSE file. (IANAL, so no idea whether that's true.)

mcbits 9y ago

My reading must be off, then. Is "under any Necessary Claims" the magic phrase?

antoncohen 9y ago
Yeah, it is defined at the bottom of the file: > A "Necessary Claim" is a claim of a patent owned by Facebook that is necessarily infringed by the Software standing alone. So when they say "license under any Necessary Claims" they are granting a patent license, the copyright license in the LICENSE file is separate. The FAQ link provided by silentstreet makes it very clear: > Does termination of the additional patent grant in the Facebook BSD+Patents license cause the copyright license to also terminate? > > No. https://code.facebook.com/pages/850928938376556 https://code.facebook.com/pages/850928938376556

chrisco255 9y ago

Does the additional patent grant in the Facebook BSD+Patents license terminate if I create a competing product? No. 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 to Facebook's software licensed under the Facebook BSD+Patents license. Does termination of the additional patent grant in the Facebook BSD+Patents license cause the copyright license to also terminate? No. From: https://code.facebook.com/pages/850928938376556 https://code.facebook.com/pages/850928938376556