> Except you have to do both - if you ignore the racket you are much more exposed to lawsuits Check this out: https://www.eff.org/deeplinks/2012/06/defensive-p

> Except you have to do both - if you ignore the racket you are much more exposed to lawsuits Check this out: https://www.eff.org/deeplinks/2012/06/defensive-patent-license-and-other-ways-beat-patent-system https://www.eff.org/deeplinks/2012/06/defensive-patent-licen... Google and Facebook are playing as well: https://code.facebook.com/posts/1639473982937255/updating-our-open-source-patent-grant/ https://code.facebook.com/posts/1639473982937255/updating-ou..., https://www.google.com/patents/licensing/dpl/non-sticky/ https://www.google.com/patents/licensing/dpl/non-sticky/ It should be mentioned that both of the above corporations grant this patent license for use and modification of the software they have open sourced.