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The patent EP4070788 was granted to Gilead Sciences on Mar 22, 2023. The application was filed on Jun 29, 2016 under application number EP22176537A. 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 |
|---|---|---|---|
| ZENTIVA | Dec 11, 2023 | REDDIE & GROSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0208241 |
| DESCRIPTION | WO03016306 |
| DESCRIPTION | WO2013025788 |
| OPPOSITION | US2007077295 |
| OPPOSITION | WO2013025788 |
| SEARCH | WO2013116720 |
| SEARCH | WO2015022351 |
| SEARCH | WO2015196116 |
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.
Date
Description
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Jun 25, 2025
Jun 24, 2025
Refund of fees
Appeal
Jun 23, 2025
Jun 20, 2025
(Electronic) Receipt
Appeal
Jun 20, 2025
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Jun 17, 2025
(Electronic) Receipt
Appeal
Jun 17, 2025
Jun 17, 2025
Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
Apr 22, 2025
Notice of appeal
Appeal
Apr 22, 2025
Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Feb 8, 2023
(Electronic) Receipt
Search/Exam
Feb 8, 2023
Filing of the translations of the claims
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Feb 8, 2023
French translation of claims
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Feb 8, 2023
German translation of the claims
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Feb 8, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jan 27, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 27, 2023
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(Electronic) Receipt
Search/Exam
Jan 13, 2023
Amended claims with annotations
Search/Exam
Jan 13, 2023
Amended description with annotations
Search/Exam
Jan 13, 2023
Claims
Search/Exam
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Description
Search/Exam
Jan 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2023
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Intention to grant (signatures)
Search/Exam
Dec 15, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 15, 2022
Nov 29, 2022
Examination started
Search/Exam
Nov 9, 2022
(Electronic) Receipt
Search/Exam
Nov 9, 2022
Amended description with annotations
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Nov 9, 2022
Amendments received before examination
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Nov 9, 2022
Description
Search/Exam
Nov 9, 2022
Drawings
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Nov 9, 2022
Letter accompanying subsequently filed items
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Oct 17, 2022
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Notification of forthcoming publication
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Aug 31, 2022
Refund of fees
Search/Exam
Aug 26, 2022
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European search report
Search/Exam
Aug 26, 2022
Information on Search Strategy
Search/Exam
Aug 10, 2022
Search started
Search/Exam
Jul 25, 2022
Amendments not yet acceptable
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Jul 15, 2022
(Electronic) Receipt
Search/Exam
Jul 15, 2022
Amendments received before examination
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Jul 15, 2022
Annex
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Annex
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Annex
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Jul 15, 2022
Letter accompanying subsequently filed items
Search/Exam
May 31, 2022
Abstract
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Annex
Search/Exam
May 31, 2022
Claims
Search/Exam
May 31, 2022
Description
Search/Exam
May 31, 2022
Designation of inventor
Search/Exam
May 31, 2022
Drawings
Search/Exam
May 31, 2022
Matter concerning the application
Search/Exam
May 31, 2022
Request for grant of a European patent
Search/Exam
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