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The patent EP3578173 was granted to Euro Celtique on Oct 26, 2022. The application was filed on Feb 28, 2006 under application number EP19167974A. 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 |
|---|---|---|---|
| ETHYPHARM | Jul 26, 2023 | REGIMBEAU | ADMISSIBLE |
| JP PEEL | Jul 26, 2023 | PEEL | ADMISSIBLE |
| PUREN PHARMA | Jul 26, 2023 | HAMM & WITTKOPP | ADMISSIBLE |
| DEVELCO PHARMA SCHWEIZ | Oct 26, 2022 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| SANDOZ | Oct 26, 2022 | TER MEER STEINMEISTER & PARTNER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE4325465 |
| DESCRIPTION | EP0352361 |
| DESCRIPTION | US3773955 |
| DESCRIPTION | US3966940 |
| DESCRIPTION | US4457933 |
| DESCRIPTION | US4582835 |
| DESCRIPTION | US6258042 |
| DESCRIPTION | WO03073937 |
| DESCRIPTION | WO03084520 |
| EXAMINATION | WO03084520 |
| OPPOSITION | EP0352361 |
| OPPOSITION | EP2258353 |
| OPPOSITION | EP2962686 |
| OPPOSITION | EP3578173 |
| OPPOSITION | US3966940 |
| OPPOSITION | US4457933 |
| OPPOSITION | WO02092060 |
| OPPOSITION | WO03084504 |
| OPPOSITION | WO03084520 |
| OPPOSITION | WO2006089973 |
| OPPOSITION | WO9825613 |
| OTHER | EP1855657 |
| OTHER | WO03084504 |
| OTHER | WO03084520 |
| SEARCH | DE4325465 |
| SEARCH | EP1604666 |
| SEARCH | WO02092060 |
| SEARCH | WO03007802 |
| SEARCH | WO03084504 |
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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Oct 13, 2022
Document concerning representation
Search/Exam
Sep 29, 2022
Decision to grant a European patent
Search/Exam
Sep 20, 2022
(Electronic) Receipt
Search/Exam
Sep 20, 2022
Filing of the translations of the claims
Search/Exam
Sep 20, 2022
French translation of claims
Search/Exam
Sep 20, 2022
German translation of the claims
Search/Exam
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Intention to grant (signatures)
Search/Exam
Sep 7, 2022
Text intended for grant (clean copy)
Search/Exam
Sep 7, 2022
Apr 26, 2022
(Electronic) Receipt
Search/Exam
Apr 26, 2022
Apr 26, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2022
Apr 26, 2022
Apr 26, 2022
Apr 21, 2022
(Electronic) Receipt
Search/Exam
Apr 21, 2022
Citation filed by a third party
Search/Exam
Apr 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2022
Observations by third parties
Search/Exam
Apr 4, 2022
Decision to allow further processing
Search/Exam
Mar 24, 2022
(Electronic) Receipt
Search/Exam
Mar 24, 2022
Amended claims with annotations
Search/Exam
Mar 24, 2022
Amended description with annotations
Search/Exam
Mar 24, 2022
Claims
Search/Exam
Mar 24, 2022
Description
Search/Exam
Mar 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2022
Mar 24, 2022
Request for further processing
Search/Exam
Jan 18, 2022
Oct 21, 2021
Oct 15, 2021
(Electronic) Receipt
Search/Exam
Oct 15, 2021
Jun 7, 2021
Annex to the communication
Search/Exam
Jun 7, 2021
Communication from the Examining Division
Search/Exam
May 31, 2021
Examination started
Search/Exam
May 28, 2021
May 28, 2021
May 25, 2021
(Electronic) Receipt
Search/Exam
May 25, 2021
Citation filed by a third party
Search/Exam
May 25, 2021
Citation filed by a third party
Search/Exam
May 25, 2021
Citation filed by a third party
Search/Exam
May 25, 2021
Letter accompanying subsequently filed items
Search/Exam
May 25, 2021
Observations by third parties
Search/Exam
Mar 10, 2021
Mar 10, 2021
Mar 4, 2021
(Electronic) Receipt
Search/Exam
Mar 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 4, 2021
Observations by third parties
Search/Exam
Sep 14, 2020
Decision to allow further processing
Search/Exam
Sep 3, 2020
(Electronic) Receipt
Search/Exam
Sep 3, 2020
Sep 3, 2020
Amended claims with annotations
Search/Exam
Sep 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2020
Request for further processing
Search/Exam
Jul 3, 2020
Jun 10, 2020
(Electronic) Receipt
Search/Exam
Jun 10, 2020
Letter concerning fees and payments
Search/Exam
Dec 16, 2019
Nov 13, 2019
Notification of forthcoming publication
Search/Exam
Oct 2, 2019
Refund of fees
Search/Exam
Oct 1, 2019
Oct 1, 2019
European search opinion
Search/Exam
Oct 1, 2019
European search report
Search/Exam
Oct 1, 2019
Information on Search Strategy
Search/Exam
Sep 24, 2019
Search started
Search/Exam
Aug 6, 2019
(Electronic) Receipt
Search/Exam
Aug 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2019
Priority search results copy provided by EPO
Search/Exam
Jul 23, 2019
(Electronic) Receipt
Search/Exam
Jul 23, 2019
Claims
Search/Exam
Jul 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2019
Matter concerning the application
Search/Exam
Jun 3, 2019
Communication to designated inventor
Search/Exam
Jun 3, 2019
Communication to designated inventor
Search/Exam
Jun 3, 2019
Communication to designated inventor
Search/Exam
May 13, 2019
Invitation to file claims
Search/Exam
Apr 8, 2019
Abstract
Search/Exam
Apr 8, 2019
Apr 8, 2019
Description
Search/Exam
Apr 8, 2019
Designation of inventor
Search/Exam
Apr 8, 2019
Drawings
Search/Exam
Apr 8, 2019
Request for grant of a European patent
Search/Exam
Sep 19, 2006