Brexit and arrangements for science and technology

This article needs to be updated. Please help update this article to reflect recent events or newly available information. (February 2021)

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Timeline Bloomberg speech Jan 2013 Referendum Bill blocked Jan 2014 European Parliament election May 2014 2015 general election May 2015 Renegotiation begins Jun 2015 Referendum Act passed Dec 2015 Renegotiation concluded Feb 2016 Referendum held Jun 2016 David Cameron resigns as PM Jul 2016 Theresa May becomes PM Jul 2016 Article 50 judgement Jan 2017 Brexit plan presented Feb 2017 Notification Act passed Mar 2017 Article 50 invoked Mar 2017 Repeal Bill plan presented Mar 2017 2017 general election Jun 2017 Brexit negotiations begin Jun 2017 Withdrawal Act passed Jun 2018 Chequers plan presented Jul 2018 Withdrawal agreement plan presented July 2018 Withdrawal agreement released Nov 2018 Scottish Continuity Bill blocked Dec 2018 Meaningful votes Jan–Mar 2019 Brexit delayed until 12 April Mar 2019 Cooper–Letwin Act passed Apr 2019 Brexit delayed until 31 October Apr 2019 European Parliament election May 2019 Theresa May resigns as PM Jul 2019 Boris Johnson becomes PM Jul 2019 Prorogation and annulment Aug–Sep 2019 Benn Act passed Sep 2019 Withdrawal agreement revised Oct 2019 Brexit delayed until 31 January Oct 2019 2019 general election Dec 2019 Agreement Act passed Jan 2020 UK leaves the European Union Jan 2020 Implementation period begins Jan 2020 UK–EU trade deal agreed Dec 2020 Future Relationship Act passed Dec 2020 Scottish Continuity Act passed Dec 2020 Implementation period ends Dec 2020 New EU–UK relationship begins Jan 2021 UK–EU trade deal ratified Apr 2021 Windsor Framework released Feb 2023 Windsor framework adopted Mar 2023
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Brexit and arrangements for science and technology refers to arrangements affecting scientific research, experimental development and innovation that are within the scope of the negotiations between the United Kingdom and the European Union on the terms of Britain's withdrawal from the European Union (EU).

At the time of passing the European Union (Notification of Withdrawal) Act 2017 in March 2017, the terms of Britain's disengagement were unknown. The outlook was uncertain for the future funding of British scientific research and for the UK's future relationship, as a third country, with the EU for patent protection of innovation, trade in medium- and high-tech goods and industrial contracts issued by European scientific institutions. Opinions differed on whether scientific research and development would be affected by a loss of mobility and international collaboration, or whether Britain's withdrawal from the EU should be seen as an opportunity to expand scientific collaboration.

The UK was initially due to leave the European Union on 29 March 2019 but the EU agreed to extend the departure date first to 31 October 2019 then to 31 January 2020, at the UK's request.