Guidance

Patent Cooperation Treaty for private applicants

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

From:
Intellectual Property Office
Published
1 January 2014
Last updated
1 January 20232024 — See all updates

Documents

Patent Cooperation Treaty for private applicants

PDF, 746822 KB, 33 pages

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 1 January 20232024 + show all updates

  1. PCT Private Applicants Booklet with new fees updated.

  2. Private applicant booklet with revised fees updated.

  3. Private applicant booklet updated and in effect from today 1 September 2022 added.

  4. Private applicant booklet with revised fees updated.

  5. Private applicant booklet updated and in effect from today 1 June 2021.

  6. PCT Fee changes take effect 1 May 2021.

  7. Private applicant booklet updated and in effect from today 1 January 2021.

  8. PCT Fee changes take effect 1 July 2020.

  9. PCT Fee changes take effect 1 May 2020.

  10. PCT Fee changes take effect 1 January 2020.

  11. PCT Fee changes take effect 1 November 2019.

  12. PCT Fee changes take effect 1 January 2019.

  13. Patent Cooperation Treaty for private applicants updated.

  14. PCT Fee changes take effect 1 April 2018.

  15. PCT Fee changes take effect 1 January 2018.

  16. PCT Fee changes take effect 1 January 2017.

  17. PCT Fee changes take effect 1 November 2016.

  18. PCT Fee changes take effect 1 July 2016.

  19. PCT Fee changes take effect 1 January 2016.

  20. PCT Fee changes take effect 1 November 2015.

  21. PCT Fee changes take effect 1 June 2015.

  22. PCT Fee changes take effect 1 April 2015.

  23. Updated document published to show new PCT fees for 1 October 2014.

  24. First published.