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The patent EP4313945 was granted to GH Research Ireland on Mar 13, 2024. The application was filed on Mar 27, 2023 under application number EP23717046A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
5-MeO-DMT hydrobromide, a crystalline acid addition salt of 5-MeO-DMT, exhibiting improved formulation characteristics. The salt has enhanced flow properties, stability, and solubility compared to conventional 5-MeO-DMT forms. It is particularly suitable for buccal or sublingual administration routes, offering a stable and pure salt form that maintains its pharmacological activity.

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 |
|---|---|---|---|
| SCORPIO | Dec 4, 2024 | SAGITTARIUS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2020169850 |
| DESCRIPTION | WO2020169851 |
| DESCRIPTION | WO2020254584 |
| DESCRIPTION | WO2021250434 |
| DESCRIPTION | WO2021250435 |
| INTERNATIONAL-SEARCH-REPORT | WO2021250435 |
| INTERNATIONAL-SEARCH-REPORT | WO2023002005 |
| OPPOSITION | WO2021250435 |
| OTHER | WO2021250435 |
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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Description
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Non-patent literature filed by a third party
Search/Exam
Sep 27, 2024
Non-patent literature filed by a third party
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Sep 27, 2024
Observations by third parties
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Sep 27, 2024
Patent document filed by a Third party
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Decision to grant a European patent
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Observations by third parties
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Notification of the recording of a change
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Nov 27, 2023
Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Matter concerning the application
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Request for entry into the European phase
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Copy of the international search report
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Published international application - A1
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(Electronic) Receipt
PCTRO
Mar 27, 2023
Abstract
PCTRO
Mar 27, 2023
Claims
PCTRO
Mar 27, 2023
Description
PCTRO
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PCTRO
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