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The patent EP3927338 was granted to GH Research Ireland on Oct 9, 2024. The application was filed on Feb 24, 2020 under application number EP20710060A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| STRAWMAN | Jul 9, 2025 | CMS CAMERON MCKENNA NABARRO OLSWANG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO2005055996 |
| INTERNATIONAL-SEARCH-REPORT | WO2018195455 |
| OPPOSITION | EP1558251 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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(Electronic) Receipt
Search/Exam
May 8, 2025
General authorisation
Search/Exam
May 8, 2025
Letter accompanying subsequently filed items
Search/Exam
May 7, 2025
(Electronic) Receipt
Search/Exam
May 7, 2025
Letter accompanying subsequently filed items
Search/Exam
May 7, 2025
Oct 22, 2024
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Decision to grant a European patent
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Aug 27, 2024
(Electronic) Receipt
Search/Exam
Aug 27, 2024
Filing of the translations of the claims
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Aug 27, 2024
French translation of claims
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Aug 27, 2024
German translation of the claims
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Apr 29, 2024
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Intention to grant (signatures)
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Apr 29, 2024
Text intended for grant (clean copy)
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Apr 29, 2024
Mar 27, 2024
Annex to the communication
Search/Exam
Mar 27, 2024
Consultation by telephone/in person
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Mar 27, 2024
Feb 8, 2024
Feb 5, 2024
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2024
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(Electronic) Receipt
Search/Exam
Jan 18, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2024
Non-patent literature filed by a third party
Search/Exam
Jan 18, 2024
Non-patent literature filed by a third party
Search/Exam
Jan 18, 2024
Non-patent literature filed by a third party
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Jan 18, 2024
Non-patent literature filed by a third party
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Jan 18, 2024
Observations by third parties
Search/Exam
Jan 8, 2024
(Electronic) Receipt
Search/Exam
Jan 8, 2024
Amended claims with annotations
Search/Exam
Jan 8, 2024
Amended description with annotations
Search/Exam
Jan 8, 2024
Claims
Search/Exam
Jan 8, 2024
Description
Search/Exam
Jan 8, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2024
Jan 3, 2024
Annex to the communication
Search/Exam
Jan 3, 2024
Communication from the Examining Division
Search/Exam
Jun 26, 2023
(Electronic) Receipt
Search/Exam
Jun 26, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2023
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(Electronic) Receipt
Search/Exam
Apr 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2023
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Document concerning representation
Search/Exam
Dec 16, 2022
Annex to the communication
Search/Exam
Dec 16, 2022
Communication from the Examining Division
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Dec 7, 2022
Examination started
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Aug 2, 2022
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(Electronic) Receipt
Search/Exam
Jul 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2022
Jul 12, 2022
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Non-patent literature filed by a third party
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Jun 28, 2022
Observations by third parties
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Jun 28, 2022
Observations by third parties
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Apr 11, 2022
(Electronic) Receipt
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Apr 11, 2022
Letter accompanying subsequently filed items
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Apr 11, 2022
Reply to Written Opinion prepared by the EPO
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Dec 1, 2021
Sep 30, 2021
Sep 20, 2021
(Electronic) Receipt
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Sep 20, 2021
Request for entry into the European phase
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Sep 6, 2021
Aug 26, 2021
Aug 22, 2021
Citation filed by a third party
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Aug 22, 2021
Observations by third parties
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Aug 22, 2021
Patent document filed by a Third party
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Aug 22, 2021
Patent document filed by a Third party
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Jul 15, 2021
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Notification of the recording of a change
Search/Exam
Jul 12, 2021
(Electronic) Receipt
PCTRO
Jul 12, 2021
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Jul 2, 2021
Information on entry into European phase
Search/Exam
Sep 14, 2020
Aug 27, 2020
Copy of the international search report
Search/Exam
Aug 27, 2020
Published international application - A1
Search/Exam
Mar 2, 2020
Feb 24, 2020
(Electronic) Receipt
PCTRO
Feb 24, 2020
Abstract
PCTRO
Feb 24, 2020
Claims
PCTRO
Feb 24, 2020
Description
PCTRO
Feb 24, 2020
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