Form

Record transfer of ownership, amend licensee or security interest

Record transfer of ownership, add, change or remove licensee or security interest in a patent or in an application for a patent.

From:
Intellectual Property Office
Published
29 April 2014
Last updated
1 April 2026 — See all updates

Documents

Record transfer of ownership, add, change or remove licensee or security interest (form 21)

PDF, 125 KB, 6 pages

Schedule

PDF, 210 KB, 2 pages

Details

You may use this form for more than one application or patent if the same request is involved.

Schedule

The schedule document can be used when more than one patent or application is affected by the same transaction. This will avoid unnecessary delays in the processing of requests for EP and GB cases.

The schedule can be used in conjunction with forms 20, 21 and 51.

Cost

£65

All Intellectual Property Office fee bearing forms should be filed with the appropriate fee.

Updates to this page

Published 29 April 2014
Last updated 1 April 2026 show all updates

  1. Fees for application to register or give notice of rights updated for the April 2026.

  2. A new end page has been added. This contains a checklist and sending instructions. Supporting text added to questions that required further clarification.

  3. Form PF21 fee sheet updated.

  4. E-mail address for sending the completed form has been added.

  5. Fee sheet added to form PF21 and text 'All Intellectual Property Office fee bearing forms should be filed with the appropriate fee' added.

  6. Patent Form 21: Data Privacy added.

  7. All forms 21 updated.

  8. Amended form and schedule form added.

  9. First published.

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