The weekly litigation news digest is live. Subscribe now
The patent EP3740267 was granted to Sanofi on Feb 28, 2024. The application was filed on Jan 17, 2019 under application number EP19700537A. 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 |
|---|---|---|---|
| HIGHTONE MANAGEMENT | Nov 25, 2024 | GILL JENNINGS & EVERY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2014033195 |
| INTERNATIONAL-SEARCH-REPORT | US2017232196 |
| INTERNATIONAL-SEARCH-REPORT | WO03074103 |
| INTERNATIONAL-SEARCH-REPORT | WO2014026721 |
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
Get instant alerts for new documents
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Sep 15, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Jul 24, 2025
Jul 21, 2025
Jul 21, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Apr 9, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Dec 12, 2024
Dec 12, 2024
Nov 29, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Mar 13, 2024
Feb 1, 2024
Decision to grant a European patent
Search/Exam
Jan 18, 2024
(Electronic) Receipt
Search/Exam
Jan 18, 2024
Filing of the translations of the claims
Search/Exam
Jan 18, 2024
French translation of claims
Search/Exam
Jan 18, 2024
German translation of the claims
Search/Exam
Jan 18, 2024
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Intention to grant (signatures)
Search/Exam
Oct 17, 2023
Text intended for grant (clean copy)
Search/Exam
Oct 17, 2023
Sep 28, 2023
Sep 21, 2023
Aug 3, 2023
Examination started
Search/Exam
Feb 24, 2021
(Electronic) Receipt
Search/Exam
Feb 24, 2021
Feb 24, 2021
Amended claims with annotations
Search/Exam
Feb 24, 2021
Feb 24, 2021
Amended description with annotations
Search/Exam
Feb 24, 2021
Amendments received before examination
Search/Exam
Feb 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2020
Communication to designated inventor
Search/Exam
Nov 5, 2020
(Electronic) Receipt
Search/Exam
Nov 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 5, 2020
Letter concerning the inventor
Search/Exam
Oct 28, 2020
Oct 20, 2020
Oct 15, 2020
Letter which had not been notified
Search/Exam
Aug 26, 2020
Aug 24, 2020
Communication to designated inventor
Search/Exam
Aug 24, 2020
Communication to designated inventor
Search/Exam
Aug 24, 2020
Communication to designated inventor
Search/Exam
Aug 24, 2020
Communication to designated inventor
Search/Exam
Aug 24, 2020
Communication to designated inventor
Search/Exam
Aug 19, 2020
Priority search results copy provided by EPO
Search/Exam
Aug 11, 2020
(Electronic) Receipt
Search/Exam
Aug 11, 2020
Annex
Search/Exam
Aug 11, 2020
Request for entry into the European phase
Search/Exam
Aug 3, 2020
May 29, 2020
Information on entry into European phase
Search/Exam
May 21, 2020
May 21, 2020
Notification of the recording of a change
Search/Exam
Aug 12, 2019
Jul 25, 2019
Copy of the international search report
Search/Exam
Jul 25, 2019
Published international application - A1
Search/Exam
Apr 8, 2019
Mar 27, 2019
(Electronic) Receipt
PCTRO
Mar 27, 2019
Mar 27, 2019
Mar 27, 2019
RO101 Declaration
PCTRO
Feb 20, 2019
ISR: cited documents
PCTISA
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 7, 2019
(Electronic) Receipt
PCTRO
Feb 7, 2019
Feb 7, 2019
Feb 7, 2019
Jan 29, 2019
Jan 24, 2019
Jan 24, 2019
Jan 23, 2019
Jan 17, 2019
(Electronic) Receipt
PCTRO
Jan 17, 2019
Abstract
PCTRO
Jan 17, 2019
Claims
PCTRO
Jan 17, 2019
Description
PCTRO
Jan 17, 2019
Jan 17, 2019
Drawings
PCTRO
Jan 17, 2019
Jan 17, 2019