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The patent EP2757277 was granted to Taiho Kogyo on Jun 6, 2018. The application was filed on Sep 13, 2012 under application number EP12831115A. 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 | Mar 6, 2019 | 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 | JP2002053883 |
| DESCRIPTION | JP4004631B |
| DESCRIPTION | JPH1037962 |
| INTERNATIONAL-SEARCH-REPORT | JP2002053883 |
| INTERNATIONAL-SEARCH-REPORT | JP2003254014 |
| INTERNATIONAL-SEARCH-REPORT | JP2004149622 |
| INTERNATIONAL-SEARCH-REPORT | JP2006045463 |
| INTERNATIONAL-SEARCH-REPORT | JPS55120633 |
| OPPOSITION | DE102008055194 |
| OPPOSITION | EP0984182 |
| OPPOSITION | EP2048391 |
| OPPOSITION | JP2003254014 |
| OPPOSITION | JP2006045463 |
| SEARCH | EP1647574 |
| SEARCH | EP2194101 |
| SEARCH | EP2426190 |
| SEARCH | WO2010126035 |
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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Advice of delivery
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Sep 14, 2021
Sep 9, 2021
(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
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Jun 18, 2018
May 11, 2018
Decision to grant a European patent
Search/Exam
Apr 24, 2018
(Electronic) Receipt
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Apr 24, 2018
Filing of the translations of the claims
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Apr 24, 2018
French translation of claims
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German translation of the claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Jan 24, 2018
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Dec 6, 2017
Amended claims with annotations
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Dec 6, 2017
Claims
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Dec 6, 2017
Description
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Intention to grant (signatures)
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Sep 14, 2017
Text intended for grant (clean copy)
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Sep 14, 2017
Aug 10, 2017
Examination started
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May 16, 2017
Dec 4, 2015
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Amendments received before examination
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May 27, 2015
May 7, 2015
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European search opinion
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May 7, 2015
Supplementary European search report
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Apr 23, 2015
Search started
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Feb 24, 2015
Submission concerning representation
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Jun 25, 2014
Notification of forthcoming publication
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May 9, 2014
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Communication to designated inventor
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Apr 22, 2014
Communication to designated inventor
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Apr 1, 2014
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Mar 7, 2014
(Electronic) Receipt
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Mar 7, 2014
Abstract
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Mar 7, 2014
Claims
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Mar 7, 2014
Description
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Mar 7, 2014
Drawings
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Mar 7, 2014
Letter concerning the inventor
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Mar 7, 2014
Request for entry into the European phase
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Jan 24, 2014
Information on entry into European phase
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Apr 9, 2013
Mar 21, 2013
Copy of the international search report
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Mar 21, 2013
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International publication pamphlet
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