Quote Originally Posted by Ashgarth View Post
That will most likely be the 2.5 patch.

Heavensguard sounds more like the expansion name.
Patches aren't trademarked last I heard

Quote Originally Posted by Lithera View Post
Completely possible that both of them are the expansion. No one said the expansion's JP and English names had to be direct translations of one another. Plus why would they trademark the JP name and not the English translation as well? The article doesn't say if Heavensward was trademarked in both languages.
Heavensward is only in English, likewise, Souten no Ishgard is only in Japanese.

商願2014-77990 HEAVENSWARD
商願2014-77991 蒼天のイシュガルド

It's very true that they don't have to share the same name, A Realm Reborn doesn't share the same name in Japan.