Application to register or give notice of rights
Use this form to apply to register a change of ownership or give notice of rights acquired in a patent or in an application for a patent.
Documents
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
£50
All Intellectual Property Office fee bearing forms should be filed with the appropriate fee.
Updates to this page
Last updated 26 April 2023 + show all updates
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A new end page has been added. This contains a checklist and sending instructions. Supporting text added to questions that required further clarification.
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Form PF21 fee sheet updated.
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E-mail address for sending the completed form has been added.
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Fee sheet added to form PF21 and text 'All Intellectual Property Office fee bearing forms should be filed with the appropriate fee' added.
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Patent Form 21: Data Privacy added.
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All forms 21 updated.
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Amended form and schedule form added.
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First published.