According to the trademark for Eternal Darkness, Nintendo has act on ownership of the name within 36 months.
The listing states that Nintendo must file a statement of use or request an extension to continue ownership of the Eternal Darkness trademark, name and branding. "If the applicant fails to timely file a statement of use or a request for an extension of time to file a statement of use, the application will be abandoned," states the The United States Patent and Trademark Office (USPTO)
Nintendo could well remake the cult GameCube classic, or perhaps opt for the quick and easy route of simply porting the title onto the Wii U Virtual Console.
What do you think Nintendo should do with the Eternal Darkness trademark?