GovWire

Guidance: Requests to amend a patent after grant

Intellectual Property Office

December 25
04:30 2024

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In the table below we provide you with information about applications we have received to amend the specification of a patent under sections 27 and 75 before the court and the Office. The table also includes information about when you need to file an opposition if you wish to oppose the application to amend.

Where amendments have been filed electronically, you can obtain full details by selecting the patent number. If you are the patent owner(s), you should check these details carefully and inform us if there are any problems. Where amendments have been filed in paper form only, the symbol * appears in the table after the patent number.

In the case of amendments filed under section 75 before the court and under section 27 at the Office, reasons for the amendments are also provided.

You can obtain reasons for the amendments and full details of any amendments filed in paper form by contacting Litigation Section (telephone: +44 (0)1633 814334).

Opposition procedures

Section 75 before the court

If you want to oppose an amendment filed under section 75 before the court, you need to file a notice of opposition at the court. In the notice you need to set out clearly your reasons for opposing the amendment. You need to send us a copy of the notice and send a copy to anyone involved in the court proceedings. You need to do this within 14 days of the advertisement on our web site of the application to amend.

Section 75 before the comptroller and section 27 amendments

If you want to oppose an amendment filed under section 75 before the comptroller or an amendment filed under section 27, you need to complete and send us:

  • 2 copies of form 15 with the fee of 50. You will need to pay a further fee of 350 later
  • 2 copies of a statement setting out fully the facts of your case and what you want us to do

Opposition table 2024

Section Patents Journal Deadline for filing opposition Patent number and title International Classification Proprietor, including court action number (if any) and address for service
75 Before the Court 7075

25 December 2024
14 days EP2687202 (PDF, 5.31 MB, 62 pages)

Subcutaneous Anti-Her2 Antibody Formulation
A61K F. Hoffmann-La Roche AG

HP-2024-000003

Herbert Smith Freehills LLP
Exchange House
Primrose Street
London
EC2A 2EG
75 Before the Court 7074

18 December 2024
14 days G2944306 - Annex A (PDF, 77.2 KB, 1 page)

Vegf Antagonist Formulations Suitable for Intravitreal Administration
A61K Carpmaels & Ransford LLP

One Southampton Row
London
WC1B 5HA
75 Before the Court 7074

18 December 2024
14 days G2364691 (PDF, 158 KB, 3 pages)

Vegf Antagonist Formulations Suitable for Intravitreal Administration
A61K Carpmaels & Ransford LLP

One Southampton Row
London
WC1B 5HA
75 Before the Court 7070

20 November 2024
14 days EP2944306 (PDF, 120 KB, 2 pages)

VEGF Antagonist formulations suitable for intravitreal administration
A61K Regeneron Pharmaceuticals, Inc.

HP-2024-000015,
HP-2024-000035,
HP-2024-000036

Carpmaels & Ransford LLP
One Southampton Row
London
WC1B 5HA
75 Before the Court 7066

23 October 2024
14 days EP1506211 (PDF, 26.1 KB, 1 page)

C-ARYL glucoside SGLT2 inhibitors and method
C07H Astra Zeneca AB

HP-2023-000035
HP-2023-000040
HP-2023-000046

Freshfields Bruckhaus Deringer LLP
100 Bishopsgate
London
EC2P 2SR
27 7063

2 October 2024
4 weeks GB2546224 (PDF, 3.13 MB, 33 pages)

Method and composition for producing enhanced anti-inflammatory/anti-catabolic and regenerative agents from autoglogous physiological fluid
A61K Antnor Limited
27 7060

11 September 2024
4 weeks GB2619433 (PDF, 127 KB, 1 page)

Axial field rotary energy device with segmented PCB stator having thermally conductive layer
H02K Infinitum Electric, Inc
27 7055

7 August 2024
4 weeks GB2578530 (PDF, 6.65 MB, 19 pages)

A stand-up inflatable paddle board
B63B Red Paddle Co Limited
27 7050

3 July 2024
4 weeks GB2599789 (PDF, 1.64 MB, 3 pages)

Secure distributed execution of jobs
G06F Mobileye Vision Technologies Ltd
27 7049

26 June 2024
4 weeks EP3182520 (

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