The legal issues here relatively straightforward and were touched on by one comment in the github issue thread. The Java implementation is protected by copyrig

The legal issues here relatively straightforward and were touched on by one comment in the github issue thread. The Java implementation is protected by copyright. The algorithm itself would be protected by a patent, which he (generally) could file for within a year of publishing. And the odds of getting that patent (in the US) would be fairly low, given recent Supreme Court rulings.