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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.

Updates to this page

From:
Intellectual Property Office
Published:
5 September 2014
Last updated:
14 July 2026
Show all updates

  1. Search and Examination of UK patent applications under the Patents Act 1977 added.

  2. Examining of applications involving artificial neural networks added.

  3. Examination of patent applications involving artificial neural networks added.

  4. Compliance periods on divisional applications added.

  5. Timeliness target for re-examinations of patent applications added.

  6. Notifications of intention to grant added.

  7. Invalidity and Surrender of Supplementary Protection Certificates has now been published

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

  9. A link to older practice notices has been added.

  10. First published.

These are a collection of our most recent practice notices.

Older practice notices are available via National Archives.

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