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The patent EP2940327 was granted to Taiho Kogyo on Jun 24, 2020. The application was filed on Dec 24, 2013 under application number EP13868501A. 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 |
|---|---|---|---|
| FEDERAL MOGUL WIESBADEN | Mar 24, 2021 | HOFFMANN EITLE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2001032837 |
| INTERNATIONAL-SEARCH-REPORT | JP2004211859 |
| INTERNATIONAL-SEARCH-REPORT | JP2012514170 |
| INTERNATIONAL-SEARCH-REPORT | JPS6430923 |
| INTERNATIONAL-SEARCH-REPORT | WO2012069192 |
| OPPOSITION | DE102008039740 |
| OPPOSITION | EP0709585 |
| OPPOSITION | EP1584828 |
| OPPOSITION | US2012308168 |
| OPPOSITION | WO2010076306 |
| SEARCH | DE102008039740 |
| SEARCH | DE102008055194 |
| SEARCH | EP1584828 |
| SEARCH | GB2338995 |
| SEARCH | JP2007232145 |
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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Oct 9, 2025
Oct 9, 2025
Jul 7, 2025
Jul 7, 2025
Jul 2, 2025
Jul 2, 2025
May 20, 2025
May 14, 2025
(Electronic) Receipt
Appeal
May 14, 2025
May 14, 2025
Sep 20, 2024
Jul 18, 2024
Jul 15, 2024
(Electronic) Receipt
Appeal
Jul 15, 2024
Jul 15, 2024
Dec 1, 2023
Nov 22, 2023
(Electronic) Receipt
Appeal
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Claims
Appeal
Nov 22, 2023
Claims
Appeal
Nov 22, 2023
Nov 22, 2023
Reply to appeal
Appeal
Aug 17, 2023
Aug 11, 2023
(Electronic) Receipt
Appeal
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Jun 20, 2023
Jun 20, 2023
Jun 13, 2023
(Electronic) Receipt
Appeal
Jun 13, 2023
Jun 13, 2023
Notice of appeal
Appeal
Apr 12, 2023
Apr 6, 2023
Apr 5, 2023
Apr 5, 2023
Apr 5, 2023
Apr 5, 2023
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Apr 5, 2023
Means of redress
OPPO
Apr 5, 2023
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Mar 24, 2021
Aug 13, 2020
Document concerning representation
Search/Exam
Jul 6, 2020
May 28, 2020
Decision to grant a European patent
Search/Exam
May 18, 2020
(Electronic) Receipt
Search/Exam
May 18, 2020
French translation of claims
Search/Exam
May 18, 2020
German translation of the claims
Search/Exam
May 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2020
Jan 20, 2020
Jan 20, 2020
Intention to grant (signatures)
Search/Exam
Jan 20, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 20, 2020
Apr 25, 2019
Submission concerning representation
Search/Exam
Jan 25, 2019
(Electronic) Receipt
Search/Exam
Jan 25, 2019
Amended claims with annotations
Search/Exam
Jan 25, 2019
Claims
Search/Exam
Jan 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2019
Sep 21, 2018
Annex to the communication
Search/Exam
Sep 21, 2018
Communication from the Examining Division
Search/Exam
Sep 14, 2018
Examination started
Search/Exam
Aug 1, 2018
Jul 27, 2018
Jun 14, 2018
Feb 2, 2017
(Electronic) Receipt
Search/Exam
Feb 2, 2017
Feb 2, 2017
Amended claims with annotations
Search/Exam
Feb 2, 2017
Feb 2, 2017
Amended description with annotations
Search/Exam
Feb 2, 2017
Amendments received before examination
Search/Exam
Feb 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2016
Jul 8, 2016
Jul 8, 2016
European search opinion
Search/Exam
Jul 8, 2016
Information on Search Strategy
Search/Exam
Jul 8, 2016
Supplementary European search report
Search/Exam
Jun 20, 2016
Search started
Search/Exam
Oct 7, 2015
Notification of forthcoming publication
Search/Exam
Aug 5, 2015
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 31, 2015
Communication to designated inventor
Search/Exam
Jul 9, 2015
(Electronic) Receipt
Search/Exam
Jul 9, 2015
Abstract
Search/Exam
Jul 9, 2015
Claims
Search/Exam
Jul 9, 2015
Jul 9, 2015
Description
Search/Exam
Jul 9, 2015
Drawings
Search/Exam
Jul 9, 2015
Request for entry into the European phase
Search/Exam
Jul 9, 2015
May 8, 2015
Information on entry into European phase
Search/Exam
Jul 22, 2014
Jul 3, 2014
Copy of the international search report
Search/Exam
Jul 3, 2014
Jul 3, 2014
International publication pamphlet
Search/Exam