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The patent EP2855968 was granted to Aisin Seiki Kabushiki Kaisha on Aug 14, 2024. The application was originally filed on Sep 18, 2013 under application number EP13776558A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| VALEO EMBRAYAGES | Aug 5, 2021 | VALEO POWERTRAIN SYSTEMS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2006029363 |
| INTERNATIONAL-SEARCH-REPORT | JP2005265164 |
| INTERNATIONAL-SEARCH-REPORT | US4729465 |
| INTERNATIONAL-SEARCH-REPORT | WO2012066680 |
| OPPOSITION | DE3516291 |
| OPPOSITION | EP0069458 |
| OPPOSITION | EP1760357 |
| OPPOSITION | EP2711586 |
| OPPOSITION | FR2250918 |
| OPPOSITION | FR2267482 |
| OPPOSITION | FR2376332 |
| OPPOSITION | FR2670852 |
| OPPOSITION | GB1428557 |
| OPPOSITION | JP2006029363 |
| OPPOSITION | US2002128073 |
| OPPOSITION | US4573945 |
| OPPOSITION | US4698045 |
| OPPOSITION | US5609526 |
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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Jul 18, 2024
Jul 18, 2024
Jul 5, 2024
Jul 5, 2024
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Apr 8, 2024
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Mar 13, 2024
Aug 2, 2023
Refund of fees
Search/Exam
Aug 1, 2023
Aug 1, 2023
Jul 27, 2023
Jul 24, 2023
(Electronic) Receipt
Appeal
Jul 24, 2023
Withdrawal of an appeal
Appeal
Jun 15, 2023
(Electronic) Receipt
Appeal
Jun 15, 2023
Jun 15, 2023
Jun 9, 2023
Jun 9, 2023
Jun 2, 2023
(Electronic) Receipt
Appeal
Jun 2, 2023
Jun 2, 2023
Notice of appeal
Appeal
May 31, 2023
May 26, 2023
May 26, 2023
May 10, 2023
Apr 4, 2023
Apr 4, 2023
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Means of redress
OPPO
Apr 4, 2023
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Nov 23, 2020
Oct 15, 2020
Decision to grant a European patent
Search/Exam
Oct 7, 2020
Sep 30, 2020
(Electronic) Receipt
Search/Exam
Sep 30, 2020
Filing of the translations of the claims
Search/Exam
Sep 30, 2020
French translation of claims
Search/Exam
Sep 30, 2020
German translation of the claims
Search/Exam
Sep 30, 2020
Letter concerning fees and payments
Search/Exam
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
Intention to grant (signatures)
Search/Exam
Jun 5, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 5, 2020
Mar 30, 2020
(Electronic) Receipt
Search/Exam
Mar 30, 2020
Amended claims with annotations
Search/Exam
Mar 30, 2020
Claims
Search/Exam
Mar 30, 2020
Letter concerning fees and payments
Search/Exam
Mar 30, 2020
Mar 30, 2020
Translation of the claims
Search/Exam
Mar 30, 2020
Translation of the claims
Search/Exam
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Intention to grant (signatures)
Search/Exam
Dec 10, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 10, 2019
May 24, 2019
(Electronic) Receipt
Search/Exam
May 24, 2019
Amended claims with annotations
Search/Exam
May 24, 2019
Claims
Search/Exam
May 24, 2019
Letter accompanying subsequently filed items
Search/Exam
May 24, 2019
Jan 29, 2019
Annex to the communication
Search/Exam
Jan 29, 2019
Communication from the Examining Division
Search/Exam
Jan 21, 2019
Examination started
Search/Exam
Jan 22, 2018
Jan 8, 2018
(Electronic) Receipt
Search/Exam
Jan 8, 2018
Enquiry as to the processing of the file
Search/Exam
Jan 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 9, 2015
Jul 2, 2015
May 7, 2015
Communication to designated inventor
Search/Exam
May 7, 2015
Communication to designated inventor
Search/Exam
May 7, 2015
Communication to designated inventor
Search/Exam
May 7, 2015
Communication to designated inventor
Search/Exam
May 7, 2015
Communication to designated inventor
Search/Exam
May 7, 2015
Communication to designated inventor
Search/Exam
May 7, 2015
Communication to designated inventor
Search/Exam
Apr 21, 2015
Mar 11, 2015
Dec 31, 2014
(Electronic) Receipt
Search/Exam
Dec 31, 2014
Dec 31, 2014
Amended claims with annotations
Search/Exam
Dec 31, 2014
Request for entry into the European phase
Search/Exam
Apr 29, 2014
Apr 10, 2014
Copy of the international search report
Search/Exam
Apr 10, 2014
Published international application - A1
Search/Exam
Feb 18, 2014
Feb 18, 2014
Feb 18, 2014
Oct 11, 2013
Abstract
PCTISA
Oct 11, 2013
Claims
PCTISA
Oct 11, 2013
Description
PCTISA
Oct 11, 2013
Drawings
PCTISA