Guidance

Patent Cooperation Treaty for private applicants

Basic introduction for private applicants on filing international patent applications under the Patent Cooperation Treaty (PCT).

Documents

Details

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.

Published 1 January 2014
Last updated 6 April 2018 + show all updates
  1. Patent Cooperation Treaty for private applicants updated.
  2. PCT Fee changes take effect 1 April 2018.
  3. PCT Fee changes take effect 1 January 2018.
  4. PCT Fee changes take effect 1 January 2017.
  5. PCT Fee changes take effect 1 November 2016.
  6. PCT Fee changes take effect 1 July 2016.
  7. PCT Fee changes take effect 1 January 2016.
  8. PCT Fee changes take effect 1 November 2015.
  9. PCT Fee changes take effect 1 June 2015.
  10. PCT Fee changes take effect 1 April 2015.
  11. Updated document published to show new PCT fees for 1 October 2014.
  12. First published.