Yep, in my rather brief experience (limited to NZ and WIPO stuff) you register trademarks in classes you're engaged in business in (and not having a current bus

Yep, in my rather brief experience (limited to NZ and WIPO stuff) you register trademarks in classes you're engaged in business in (and not having a current business in a given class is grounds to not grant or revoke a granted trademark, to avoid squatting.) The classes WIPO uses are here: https://www.wipo.int/classifications/nice/nclpub/en/fr/?explanatory_notes=show&lang=en&menulang=en&notion=class_headings&version=20200101 https://www.wipo.int/classifications/nice/nclpub/en/fr/?expl...