The PCT system allows applicants seeking patent protection, in a number of countries, to file a single international application in English with the Intellectual Property Office.
Private applicant booklet updated and in effect from today 1 September 2022 added.
Private applicant booklet with revised fees updated.
Private applicant booklet updated and in effect from today 1 June 2021.
PCT Fee changes take effect 1 May 2021.
Private applicant booklet updated and in effect from today 1 January 2021.
PCT Fee changes take effect 1 July 2020.
PCT Fee changes take effect 1 May 2020.
PCT Fee changes take effect 1 January 2020.
PCT Fee changes take effect 1 November 2019.
PCT Fee changes take effect 1 January 2019.
Patent Cooperation Treaty for private applicants updated.
PCT Fee changes take effect 1 April 2018.
PCT Fee changes take effect 1 January 2018.
PCT Fee changes take effect 1 January 2017.
PCT Fee changes take effect 1 November 2016.
PCT Fee changes take effect 1 July 2016.
PCT Fee changes take effect 1 January 2016.
PCT Fee changes take effect 1 November 2015.
PCT Fee changes take effect 1 June 2015.
PCT Fee changes take effect 1 April 2015.
Updated document published to show new PCT fees for 1 October 2014.
First published.
