30 June 2020 was the last day that the UK could have requested an extension to the Brexit transition period under the October 2019 Withdrawal Agreement. The deadline passed without event. This means that from 1 January 2021, among other things, EU trademarks and International Registrations designating the EU will cease to provide protection in the UK. There will also be changes for holders of other IP rights, such as designs and copyrights (see here with thanks to Allen & Overy). Below is what you need to know as a trademark holder.