The UK formally left the EU on 31st January 2020 and the transition period, as set out in the withdrawal agreement, will come to an end on 31st December 2020. During this transition period, the UK has continued to remain under EU pharmaceutical law. Matthew Cotton at PharmaLex explains how from 1st January 2021, the UK will be able to adopt an independent regulatory framework with the Medicines and Healthcare products Regulatory Agency (MHRA).