thanks to being open source Something can be open source and still have patent threats. That's one of the big differences between patents and copyright. If I

thanks to being open source Something can be open source and still have patent threats. That's one of the big differences between patents and copyright. If I go into a room and don't talk to anyone and independently write some software, then no-one can sue me for copyright infringement, but they might be able to sue me for patent infringment.