Guidance
Patent forms and fees
Updated 1 April 2026
© Crown copyright 2026
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This publication is available at https://www.gov.uk/government/publications/patent-forms-and-fees/patent-forms-and-fees
1. Apply for a UK patent and manage patent applications
| Form number | Title | Revision date |
|---|---|---|
| 1, 7, 9A & 10 | Apply for a patent, search and examination and renewals | April 2026 |
| AF1 | Pay the fee for a patent application | April 2026 |
| 34 | Grant Fee for patent applications | April 2026 |
| NP1 | National processing of an international application for a patent (UK) | April 2026 |
2. Request late additions and declarations of priority
| Form number | Title | Revision date |
|---|---|---|
| 3 | Submit a late claim for priority | April 2026 |
3. Update details of the owner or the representative
| Form number | Title | Revision date |
|---|---|---|
| 20 | Correct or update a name or address relating to a patent or patent application | April 2026 |
| 21 | Record transfer of ownership, add, change or remove a licence or security interest | April 2026 |
| 51 | Change representation | April 2026 |
4. Renew, reinstate or restore a patent
| Form number | Title | Revision date |
|---|---|---|
| 12 | Renew patents | April 2026 |
| 14 | Request to reinstate application | April 2026 |
| 16 | Restore a patent | April 2026 |
4.1 Request documents or information
| Form number | Title | Revision date |
|---|---|---|
| 23 | Request a certified copy | April 2026 |
| 23 | Request an uncertified copy | April 2026 |
| 49 | Request to be informed of future events relating to a Patent application or patent (caveat) | April 2026 |
5. Request an extension of time
| Form number | Title | Revision date |
|---|---|---|
| 52 | Request to extend a deadline | April 2026 |
6. Oppose a patent
| Form number | Title | Revision date |
|---|---|---|
| 2 | Initiation of proceedings before the Comptroller | April 2026 |
| 4 | Continuation of proceedings before the Comptroller | April 2026 |
| 15 | Notice of opposition to the proceedings before the Comptroller | April 2026 |
7. Request opinion as to the validity or infringement of a patent
| Form number | Title | Revision date |
|---|---|---|
| 17 | Request for opinion as to the validity or infringement of a patent | April 2026 |
8. Apply or cancel a licence of right
| Form number | Title | Revision date |
|---|---|---|
| 28 | Application to allow licence of right on a patent | April 2026 |
| 30 | Cancellation of a right | April 2026 |
9. File a translation in connection with a European patent or a European patent application
| Form number | Title | Revision date |
|---|---|---|
| 54 | Filing a translation in connection with a European patent or a European patent application | April 2026 |
10. Request authorisation or restrict samples of biological material
| Form number | Title | Revision date |
|---|---|---|
| 8 | Request for a certificate authorising the release of a sample of biological material | April 2026 |
| 8a | Notice of the intention to restrict the availability of samples of biological material to experts | April 2026 |
11. Supplementary protection certificates (SPCs)
12. Request accelerated examination under the Patent Prosecution Highway (PPH)
| Form number | Title | Revision date |
|---|---|---|
| PPH Request Form | Accelerated examination at the IPO under the PPH | April 2026 |
13. Fee sheets for Patent Cooperation Treaty (PCT) applications
Find out what the fees are Patent Cooperation Treaty applications made through the IPO.