I had this backwards. How in the world did AdBlock end up with rights to the uBlock name if 'uBlock' is a fork of what was originally called 'uBlock' but then b

I had this backwards. How in the world did AdBlock end up with rights to the uBlock name if 'uBlock' is a fork of what was originally called 'uBlock' but then became 'uBlock Origin'? Seems like the fork should have been required to change it's name. EFF should get in on this and resolve it once and for all.