GovWire

Guidance: Requests to amend a patent after grant

Intellectual Property Office

May 10
03:30 2023

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 2023

Section Patents Journal Deadline for filing opposition Patent number and title International Classification Proprietor, including court action number (if any) and address for service
27 6990

10 May 2023
4 weeks GB2598238 (PDF, 93.2 KB, 18 pages) Motion detector G06B Orisec Limited
27 6986

12 April 2023
4 weeks GB2575229 (PDF, 17 MB, 30 pages) Ink composition comprising siloxane surfactant and metal conductivity salt C09D Domino Printing Sciences PLC
27 6984

29 March 2023
4 weeks GB2452043 - Amendment 1 (PDF, 114 KB, 13 pages)

Thermostatic control device
F16K Chalmor Limited
75 Before the Court 6983

22 March 2022
14 days EP2087626 (PDF, 16.6 MB, 28 pages)

Additional modulation information signaling for high speed downlink packet access
H04L Nokia Technologies OY

HP-2021-000022

Bird & Bird LLP
12 New Fetter Lane
London
EC4A 1JP
75 Before the Court 6982

15 March 2022
14 days EP2127420 (PDF, 912 KB, 2 pages)

Implicit DRX cycle length adjustment control in lte_active mode
H04W Interdigital Technology Corporation

HP-2021-000047

Bird & Bird LLP
12 New Fetter Lane
London
EC4A 1JP
27 6982

15 March 2023
4 weeks GB2452043 - Amendment (PDF, 114 KB, 13 pages)

Thermostatic control device
F16K Chalmor Limited
75 Before the Court 6979

22 February 2023
14 days EP1623511 - Amendment Annex A (PDF, 1.85 MB, 4 pages)

Communication system
H04B Koninklijke Philips N.V.

HP-2022-000010

Bristows LLP
100 Victoria Embankment
London
EC4Y 0DH
75 Before the Court 6975

25 January 2023
14 days EP2070217 (PDF, 1.57 MB, 4 pages)

Apparatus, method and computer program product providing multiplexing for data-non-associated control channel
H04B Nokia Technologies OY

HP-2021-000022

Taylor Wessing LLP
5 New Street Square
London
EC4A 3TW
75 Before the Court 6975

25 January 2023
14 days EP3494882 (PDF, 1.08 MB, 3 pages)

Analyte monitoring device
A61B Abbott Diabetes Care Inc

HP-2021-000025

Taylor Wessing LLP
5 New Street Square
London
EC4A 3TW
75 Before the Court 6975

25 January 2023
2 weeks EP2549918 (PDF, 12 MB, 20 pages)

Medical device inserters and processes of inserting and using medical devices
A61B Abbott Diabetes Care Inc

HP-2021-000025

Taylor Wessing LLP
5 New Street Square
London
EC4A 3TW

Opposition table 2022

Section Patents Journal Deadline for filing opposition

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