User blog comment:PolarKey/Proposal: Wanna Adopt My Pencil?/@comment-25056812-20180220211741/@comment-30107948-20180221163611

I don't have examples but there is still a chance it will happen, that underage guy returned recently after not editing for a year.

I mean all I want is a system where if the creator/previous owner does return the adopter has to hand over the rights or something.