We don't hear about most cases because of NDAs, but here are some examples: https://www.x-plane.com/x-world/lawsuit/ https://www.x-plane.com/x-world/lawsuit/

We don't hear about most cases because of NDAs, but here are some examples: https://www.x-plane.com/x-world/lawsuit/ https://www.x-plane.com/x-world/lawsuit/ https://www.clickerheroes2.com/patent_libel.php https://www.clickerheroes2.com/patent_libel.php https://www.gamedev.net/forums/topic/645267-patent-trolls-attacking-small-indie-developers/ https://www.gamedev.net/forums/topic/645267-patent-trolls-at...