Alison Jane Brimelow CBE (born 1949) is a British civil servant and former chief executive and Comptroller General of the UK Patent Office, now known as the Intellectual Property Office. She was the fifth President of the European Patent Office, a position she held from 1 July 2007 to 30 June 2010.
Born in Havana, Cuba, she is one of the two daughters of Sir Thomas Brimelow, a British diplomat, who was Permanent Under-Secretary in the British Foreign Office in 1973–75 and Member of the European Parliament in 1977–78, and Jean Cull. She holds a degree from the University of East Anglia.
She joined the British Diplomatic Service in 1973. In 1976, she joined the Department of Trade and Industry (DTI). She worked in a variety of Headquarters policy jobs, including private office. She joined the Patent Office in 1991, where she became Head of the Trade Marks Registry.
In 1997 she returned to DTI Headquarters to work on European and International Competition Policy. She was appointed chief executive and Comptroller General of the Patent Office in March 1999. She held the post of chief executive and Comptroller General of the Patent Office from March 1999 to end of December 2003.
In 2003 she was elected President of the European Patent Office jointly with Professor Alain Pompidou of France. She resigned from the UK Civil Service on 31 December 2003. From 2003 to 2006, she was Deputy Chairman of the Administrative Council of the European Patent Organisation.
From November 2004 to December 2006, she was Chair of the Steering Board of the National Weights and Measures Laboratory, a UK Government organisation. In February 2005 she was elected Associate Fellow of Templeton College, Saïd Business School, Oxford.