The patent provisions of the Apache License 2.0 address the possibility of submarine patents. http://www.apache.org/licenses/LICENSE-2.0#patent http://www.apac

The patent provisions of the Apache License 2.0 address the possibility of submarine patents. http://www.apache.org/licenses/LICENSE-2.0#patent http://www.apache.org/licenses/LICENSE-2.0#patent An entity which contributes to an ALv2 project and then sues over a patent which reads on their contribution loses the the patent license grants from other contributors, effectively locking them out of the project.