GovWire

Guidance: Requests to amend a patent after grant

Intellectual Property Office

June 26
03:30 2024

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

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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 7049

26 June 2024
4 weeks EP3182520 (PDF, 66.4 KB, 2 pages)

Electrical connection and method of forming an electrical connection
H01R Strip Tinning Limited
27 7048

19 June 2024
4 weeks GB2553155 (PDF, 2.34 MB, 7 pages)

A communication system utilizing a metallic well structure
E21B Expro North Sea Limited
75 Before the Court 7044

22 May 2024
14 days EP3530740 (PDF, 147 KB, 4 pages)

Thraustochytrids, Fatty Acid Compositions, and Methods of Making and Uses Thereof
C12N DSM IP Assets B.V.

Powell Gilbert LLP
85 Fleet Street
London
EC4Y 1AE
27 7044

22 May 2024
4 weeks EP3372216 (PDF, 101 KB, 19 pages)

Bathing apparatus
A61G Gainsborough Healthcare Group Ltd
75 Before the Court 7038

10 April 2024
14 days EP2939158 (PDF, 476 KB, 6 pages)

Remote Monitoring of Analyte Measurements
G06F Dexcom, Inc

HP-2023-000016

Bird & Bird LLP
12 New Fetter Lane
London
EC4A 1JP
75 Before the Court 7038

10 April 2024
14 days GB2539582 (PDF, 248 KB, 4 pages)

System and Method for Analyzing Wellbore Survey Data to Determine Tortuosity of the Wellbore using Tortuosity Parameter Values
EX23 Schlumberger Technology B.V. (2nd Defendant)

HP-2022-000012

Wilmer Cutler Pickering Hale and Dorr LLP
49 Park Lane
London
W1K 1PS
75 Before the Court 7033

6 March 2024
14 days EP1857122 (PDF, 254 KB, 3 pages)

Stabilised MRNA with increased G/C content, coding for a viral antigen
A61K Curevac SE

HP-2022-000023

Bird & Bird LLP
12 New Fetter Lane
London
EC4A 1JP
27 7033

6 March 2024
4 weeks GB2597568 (PDF, 2.34 MB, 5 pages)

Compositions and methods for detecting group B streptococcus nucleic acid
C12Q Gen-Probe Incorporated
27 7030

14 February 2024
4 weeks EP2925100 (PDF, 53.7 KB, 3 pages)

Busbars
B32B Strip Tinning Limited
75 Before the Court 7029

7 February 2024
14 days EP3928688 (PDF, 157 KB, 4 pages)

Transcutaneous analyte sensors, applicators therefor, and needle hub comprising anti-rotation feature
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