The patent box rate

Profits from qualifying patent interests are taxed at a special rate which is being phased in over five years as follows:

Year commencing 1 April 2013-14 2014-15 2015-16 2016-17 2017-18
Relief 60% 70% 80% 90% 100%
Effective rate 15.2% 13.3% 12% 11% 10%

Qualifying patent interests includes patents granted by the UK Intellectual Property Office or the European Patent Office (CTA 2010 ss 357A357GE).