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The patent EP3798214 was granted to Vertex Pharmaceuticals Incorporated on Sep 14, 2022. The application was filed on Oct 6, 2015 under application number EP20188642A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Compounds for treating cystic fibrosis (CF) by modulating CFTR chloride channel function. The compounds are CFTR potentiators that increase CFTR activity and anion transport. They can be used alone or in combination with other CFTR modulators to enhance CFTR function. The compounds have structures containing a 6-substituted 3-methylpyridine ring linked to a benzamide or benzoic acid moiety. They can be used as pharmaceuticals to treat CF by improving CFTR function in patients with CFTR mutations.

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 |
|---|---|---|---|
| GENERICS UK | Jun 12, 2023 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | WO2010123822 |
| SEARCH | WO2010123822 |
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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Means of redress
OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Aug 5, 2022
(Electronic) Receipt
Search/Exam
Aug 5, 2022
Filing of the translations of the claims
Search/Exam
Aug 5, 2022
French translation of claims
Search/Exam
Aug 5, 2022
German translation of the claims
Search/Exam
Aug 5, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 30, 2022
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Intention to grant (signatures)
Search/Exam
Mar 30, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 30, 2022
Feb 21, 2022
Examination started
Search/Exam
Oct 22, 2021
(Electronic) Receipt
Search/Exam
Oct 22, 2021
Oct 22, 2021
Amended description with annotations
Search/Exam
Oct 22, 2021
Amendments received before examination
Search/Exam
Oct 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2021
(Electronic) Receipt
Search/Exam
Sep 30, 2021
Sep 30, 2021
Amended claims with annotations
Search/Exam
Sep 30, 2021
Amendments received before examination
Search/Exam
Sep 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 13, 2021
Aug 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
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Refund of fees
Search/Exam
Mar 3, 2021
Notification of forthcoming publication
Search/Exam
Feb 26, 2021
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European search opinion
Search/Exam
Feb 26, 2021
European search report
Search/Exam
Feb 26, 2021
Information on Search Strategy
Search/Exam
Feb 22, 2021
Modified abstract
Search/Exam
Feb 3, 2021
Search started
Search/Exam
Nov 18, 2020
Nov 13, 2020
(Electronic) Receipt
Search/Exam
Nov 13, 2020
Claims
Search/Exam
Nov 13, 2020
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Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2020
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Letter which had not been notified
Search/Exam
Nov 9, 2020
Letter which had not been notified
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Letter which had not been notified
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Letter which had not been notified
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Nov 5, 2020
Letter which had not been notified
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Nov 3, 2020
Oct 29, 2020
Letter which had not been notified
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Oct 27, 2020
Payment submission rejected
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Sep 22, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Sep 22, 2020
Communication to designated inventor
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Sep 22, 2020
Communication to designated inventor
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Sep 22, 2020
Communication to designated inventor
Search/Exam
Sep 4, 2020
Invitation to file claims
Search/Exam
Jul 30, 2020
Abstract
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Jul 30, 2020
Jul 30, 2020
Description
Search/Exam
Jul 30, 2020
Designation of inventor
Search/Exam
Jul 30, 2020
Drawings
Search/Exam
Jul 30, 2020
Letter concerning search matters
Search/Exam
Jul 30, 2020
Request for grant of a European patent
Search/Exam
May 4, 2016
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