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The patent EP2821631 was granted to Usui Kokusai Sangyo Kaisha on Jul 4, 2018. The application was filed on Feb 7, 2013 under application number EP13754886A. 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 |
|---|---|---|---|
| TI AUTOMOTIVE HEIDELBERG | Apr 4, 2019 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102005045731 |
| DESCRIPTION | JPH04347091 |
| INTERNATIONAL-SEARCH-REPORT | DE102005045731 |
| INTERNATIONAL-SEARCH-REPORT | JP2007309232 |
| INTERNATIONAL-SEARCH-REPORT | JPH01136674U |
| INTERNATIONAL-SEARCH-REPORT | US6082333 |
| OPPOSITION | DE102005045731 |
| OPPOSITION | DE102009043398 |
| OPPOSITION | US2010194096 |
| SEARCH | EP2154407 |
| SEARCH | US2004094127 |
| SEARCH | US2010084856 |
| SEARCH | US2010194096 |
| SEARCH | US5903964 |
| SEARCH | US6374806 |
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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Appeal
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Non-scannable object
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
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Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
Dec 10, 2021
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Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Jul 16, 2018
Jun 7, 2018
Decision to grant a European patent
Search/Exam
May 25, 2018
(Electronic) Receipt
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May 25, 2018
Letter accompanying subsequently filed items
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May 25, 2018
Letter concerning fees and payments
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May 24, 2018
Mar 30, 2018
Filing of the translations of the claims
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Mar 30, 2018
French translation of claims
Search/Exam
Mar 30, 2018
German translation of the claims
Search/Exam
Mar 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2017
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Intention to grant (signatures)
Search/Exam
Dec 4, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 4, 2017
Oct 31, 2017
(Electronic) Receipt
Search/Exam
Oct 31, 2017
Claims
Search/Exam
Oct 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 31, 2017
Aug 29, 2017
Aug 21, 2017
(Electronic) Receipt
Search/Exam
Aug 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2017
May 2, 2017
Annex to the communication
Search/Exam
May 2, 2017
Communication from the Examining Division
Search/Exam
Mar 30, 2017
Examination started
Search/Exam
Feb 27, 2017
Payment of fees and costs
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Apr 20, 2016
(Electronic) Receipt
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Apr 20, 2016
Apr 20, 2016
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Amended claims with annotations
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Apr 20, 2016
Amended claims with annotations
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Apr 20, 2016
Amendments received before examination
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Apr 20, 2016
Letter accompanying subsequently filed items
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Apr 20, 2016
Maintenance of the application
Search/Exam
Feb 26, 2016
Payment of fees and costs
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Oct 23, 2015
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European search opinion
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Oct 6, 2015
Supplementary European search report
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Sep 25, 2015
Search started
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Sep 1, 2015
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Submission concerning representation
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Feb 25, 2015
Payment of fees and costs
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Dec 10, 2014
Notification of forthcoming publication
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Oct 21, 2014
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Communication to designated inventor
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Oct 14, 2014
Communication to designated inventor
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Sep 16, 2014
(Electronic) Receipt
Search/Exam
Sep 16, 2014
Abstract
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Sep 16, 2014
Claims
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Sep 16, 2014
Sep 16, 2014
Description
Search/Exam
Sep 16, 2014
Drawings
Search/Exam
Sep 16, 2014
Request for entry into the European phase
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Sep 16, 2014
Jul 11, 2014
Information on entry into European phase
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Sep 24, 2013
Sep 6, 2013
Copy of the international search report
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Sep 6, 2013
Sep 6, 2013
International publication pamphlet
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