Because Apache 2 doesn't turn all code it touches into Apache 2 code. I can use Apache 2 code with my secret, proprietary patent-sauce -- no problem. I never h

Because Apache 2 doesn't turn all code it touches into Apache 2 code. I can use Apache 2 code with my secret, proprietary patent-sauce -- no problem. I never have to release any of it, and I don't have to grant anyone any licenses. It is only when I contribute to the Apache 2 code that I grant a patent license. (IANAL)