GPL is the example GP used, which is why I referenced it. It's not really important what free software license it would be (though GPLv3 does have an entire sec

GPL is the example GP used, which is why I referenced it. It's not really important what free software license it would be (though GPLv3 does have an entire section (s11) which is all about patents -- that's why it's compatible with Apache-2.0).