According to the following quote at Fork-and-rename-me: What to do when the “preferred upstream name” is already taken? - store - snapcraft.io:
Snap names can be either be registered by a real user or reserved as it is a known application name, is it possible to know which one is the case? And is it possible to reveal the registar of the certain snap name?
I’ll jump in here if this hasn’t been answered.
You can’t see who has registered a name you are trying to own, but you can use dashboard.snapcraft.io to file a dispute. The store team may then grant you ownership of the name, ask for more information, or reject your dispute.
Hope that clears that up for you!
Is it possible to know a name is reserved instead of taken by someone else?