File documents for a pending UK patent

Use this online service to complete a form or send additional documents for a patent you’ve already applied for (a patent pending).

You need your UK patent application number.

The service will be unavailable from 1am to 3am (UK time) daily.

Start now on the Intellectual Property Office service

You can do any of the following online:

• pay for your patent application (if you didn’t pay when you applied)
• provide a statement of inventorship and of right to grant of a patent
• request a search, supplementary search or further search
• request a substantive examination
• pay a grant fee (if the Intellectual Property Office has asked you to)
• request an extension to a prescribed time limit and upload any supporting document or evidence

You can pay any fees using:

• a credit or debit card
• your deposit account with the Intellectual Property Office

You’ll need an email address to use this service.

Documents you can upload

You must include a covering letter (as a PDF) with any documents you send.

To support your patent application you can upload:

• claims (if not filed with your application)
• an abstract (if not filed with your application)
• replacement pages of the specification
• amended pages of the specification (pre-grant only)
• translations of priority documents
• search reports from other patent offices
• sequence listings

All documents must be PDFs, except sequence listings which must be saved as .txt files.

You can send printed forms and supporting documents by post or fax if you haven’t already sent them with your application.

Application forms

You can download and fill in forms for:

• payment of a patent application fee
• statement of inventorship and of right to grant of a patent
• request for a search, supplementary search or further search
• request for a substantive examination
• request for a extension to a prescribed time limit

Include a fee sheet if you have to make any payments - details of how to pay are on the form.

Supporting documents

You can send supporting documents for pending patents, including:

• claims (if not filed with your application)
• an abstract (if not filed with your application)
• replacement pages of the specification
• amended pages of the specification (pre-grant only)
• translations of priority documents
• search reports from other patent offices
• sequence listings

You must include a covering letter that includes your patent application number with any supporting documents you send.

Send by post

Send all forms to the Intellectual Property Office.

Intellectual Property Office
Concept House
Cardiff Road
Newport
South Wales
NP10 8QQ

Send by fax

You can fax copies of your forms and documents.

Intellectual Property Office
Fax: 01633 817 777
Find out about call charges

Last updated: 19 July 2018