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The patent EP2957784 was granted to Taiho Kogyo on Apr 10, 2019. The application was filed on Feb 14, 2014 under application number EP14751585A. The patent is currently recorded with a legal status of "Revoked".

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 | Jan 10, 2020 | WSL PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP3388501B |
| INTERNATIONAL-SEARCH-REPORT | JP2005265043 |
| INTERNATIONAL-SEARCH-REPORT | JP2010196813 |
| INTERNATIONAL-SEARCH-REPORT | JPH07238936 |
| INTERNATIONAL-SEARCH-REPORT | WO2010038588 |
| OPPOSITION | DE102008055194 |
| OPPOSITION | EP1522750 |
| OPPOSITION | EP2336583 |
| OPPOSITION | GB2338995 |
| SEARCH | DE102008055194 |
| SEARCH | EP1522750 |
| SEARCH | EP2336583 |
| SEARCH | GB2338995 |
| SEARCH | JP3388501B |
| SEARCH | JPH07238936 |
| SEARCH | US2002126924 |
| SEARCH | WO2010038588 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jan 19, 2024
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Claims
Appeal
Jan 19, 2024
Claims
Appeal
Jan 19, 2024
Claims
Appeal
Jan 19, 2024
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Dec 21, 2023
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Dec 18, 2023
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Dec 15, 2023
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Apr 14, 2023
Jun 21, 2022
Jun 14, 2022
(Electronic) Receipt
Appeal
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Claims
Appeal
Jun 14, 2022
Claims
Appeal
Jun 14, 2022
Jun 14, 2022
Reply to appeal
Appeal
Feb 23, 2022
Feb 4, 2022
(Electronic) Receipt
Appeal
Feb 4, 2022
Feb 4, 2022
Jan 5, 2022
Jan 5, 2022
Dec 21, 2021
(Electronic) Receipt
Appeal
Dec 21, 2021
Dec 21, 2021
Notice of appeal
Appeal
Nov 19, 2021
Oct 28, 2021
Oct 28, 2021
Oct 28, 2021
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Means of redress
OPPO
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Apr 25, 2019
Submission concerning representation
Search/Exam
Apr 24, 2019
Mar 14, 2019
Decision to grant a European patent
Search/Exam
Jan 11, 2019
(Electronic) Receipt
Search/Exam
Jan 11, 2019
Filing of the translations of the claims
Search/Exam
Jan 11, 2019
French translation of claims
Search/Exam
Jan 11, 2019
German translation of the claims
Search/Exam
Sep 13, 2018
Sep 13, 2018
Sep 13, 2018
Intention to grant (signatures)
Search/Exam
Sep 13, 2018
Text intended for grant (clean copy)
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Sep 13, 2018
Aug 1, 2018
Jul 27, 2018
Jun 20, 2018
Annex to the communication
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Jun 20, 2018
Consultation by telephone/in person
Search/Exam
Jun 20, 2018
Jun 15, 2018
(Electronic) Receipt
Search/Exam
Jun 15, 2018
Amended claims with annotations
Search/Exam
Jun 15, 2018
Claims
Search/Exam
Jun 15, 2018
Letter accompanying subsequently filed items
Search/Exam
May 22, 2018
Examination started
Search/Exam
Apr 18, 2017
(Electronic) Receipt
Search/Exam
Apr 18, 2017
Apr 18, 2017
Amended claims with annotations
Search/Exam
Apr 18, 2017
Apr 18, 2017
Amended description with annotations
Search/Exam
Apr 18, 2017
Amendments received before examination
Search/Exam
Apr 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2016
Oct 6, 2016
Oct 6, 2016
European search opinion
Search/Exam
Oct 6, 2016
Information on Search Strategy
Search/Exam
Oct 6, 2016
Supplementary European search report
Search/Exam
Sep 21, 2016
Search started
Search/Exam
Nov 25, 2015
Notification of forthcoming publication
Search/Exam
Oct 21, 2015
Refund of fees
Search/Exam
Oct 21, 2015
Refund of fees
Search/Exam
Oct 21, 2015
Refund of fees
Search/Exam
Oct 21, 2015
Refund of fees
Search/Exam
Oct 13, 2015
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Sep 8, 2015
(Electronic) Receipt
Search/Exam
Sep 8, 2015
Abstract
Search/Exam
Sep 8, 2015
Amended claims with annotations
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Sep 8, 2015
Claims
Search/Exam
Sep 8, 2015
Claims filed under Art.19 PCT
Search/Exam
Sep 8, 2015
Description
Search/Exam
Sep 8, 2015
Request for entry into the European phase
Search/Exam
Sep 7, 2015
(Electronic) Receipt
Search/Exam
Sep 7, 2015
Abstract
Search/Exam
Sep 7, 2015
Claims
Search/Exam
Sep 7, 2015
Claims filed under Art.19 PCT
Search/Exam
Sep 7, 2015
Claims filed under Art.19 PCT
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Sep 7, 2015
Description
Search/Exam
Sep 7, 2015
Drawings
Search/Exam
Sep 7, 2015
Request for entry into the European phase
Search/Exam
Sep 1, 2015
Sep 1, 2015
Jun 26, 2015
Information on entry into European phase
Search/Exam
Sep 9, 2014
Aug 21, 2014
Copy of the international search report
Search/Exam
Aug 21, 2014
Aug 21, 2014
International publication pamphlet
Search/Exam