According to various sources, The Pokemon Company seems to be renewing its trademarks to the 2016 titles Pokemon Sun and Moon.

it's my copy of Pokemon Sun from middle school,” user Lzzz4 shared on the Pokemon Sun and Moon subreddit (via Automaton and Kotaku). "Last time [it] saved [was] November 7, 2018, that's probably ...

Before a generation of Pokemon ends, a definitive edition of that generation’s titles is released. Pokemon Ultra Sun and Ultra Moon are the ... the Swords Dance TM. Search the indicated ...