Once a trade mark is registered, it is valid for ten years from the date of filing, with an option to renew it from twelve months before the renewal date or up to six months after. Trade mark registration can be renewed indefinitely, provided that the trade mark is still in use.
A timeline of popular trademarks of the 20th and 21st centuries.
Brymay, registered 8 Jan 1917. Renewal due 2021. Owner: Swedish match Industries Aktiebolag a Swedish Company.