Collection

Patents practice notices

Practice notices announce changes to our practice, such as how we interpret a provision of the law, or how we handle applications.

• From: Intellectual Property Office
• Published: 5 September 2014
• Last updated: 29 November 2023 — See all updates

These are a collection of our most recent practice notices.

Older practice notices are available via National Archives.

Documents

• Examination of patent applications involving artificial neural networks
  • 29 November 2023
  • Statutory guidance
• Compliance periods on divisional applications
  • 25 April 2023
  • Statutory guidance
• Timeliness target for re-examination of patent applications
  • 17 May 2021
  • Statutory guidance
• Notifications of intention to grant
  • 1 October 2016
  • Statutory guidance
• Invalidity and surrender of Supplementary Protection Certificates
  • 12 September 2016
  • Statutory guidance
• Inventions involving human embryonic stem cells: 25 March 2015
  • 25 March 2015
  • Statutory guidance
• Practice Notice: PCT(UK) Fast Track
  • 8 June 2012
  • Statutory guidance
• Practice Notice: Ceasing of Patents Form 10 Reminder letter
  • 24 June 2014
  • Statutory guidance

Published 5 September 2014
Last updated 29 November 2023 + show all updates

1. 29 November 2023

   Examination of patent applications involving artificial neural networks added.

2. 3 January 2023

   Compliance periods on divisional applications added.

3. 24 October 2016

   Timeliness target for re-examinations of patent applications added.

4. 1 October 2016

   Notifications of intention to grant added.

5. 12 September 2016

   Invalidity and Surrender of Supplementary Protection Certificates has now been published

6. 25 March 2015

   Inventions involving human embryonic stem cells: 25 March 2015 has now been published.

7. 12 January 2015

   A link to older practice notices has been added.

8. 5 September 2014

   First published.