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The patent EP3311688 was granted to Nitto Denko on Aug 25, 2021. The application was filed on Jun 14, 2016 under application number EP16811606A. 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 |
|---|---|---|---|
| APLIX | May 17, 2022 | EIDELSBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2001000212 |
| INTERNATIONAL-SEARCH-REPORT | JP2001008713 |
| INTERNATIONAL-SEARCH-REPORT | JP2002315607 |
| INTERNATIONAL-SEARCH-REPORT | JP2009527315 |
| INTERNATIONAL-SEARCH-REPORT | JP2012183316 |
| INTERNATIONAL-SEARCH-REPORT | JPH09195155 |
| OPPOSITION | EP3187064 |
| OPPOSITION | EP3311688 |
| OPPOSITION | EP3358060 |
| OPPOSITION | US2006019572 |
| OPPOSITION | WO2008130807 |
| OTHER | US2006019572 |
| OTHER | WO2008130807 |
| SEARCH | EP2191801 |
| SEARCH | US2008026178 |
| SEARCH | WO2007097467 |
| SEARCH | WO2008130807 |
| SEARCH | WO9719808 |
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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May 6, 2025
Refund of fees
Appeal
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 14, 2025
(Electronic) Receipt
Appeal
Apr 14, 2025
Apr 14, 2025
Withdrawal of an appeal
Appeal
Apr 3, 2025
Apr 3, 2025
Mar 5, 2025
Mar 5, 2025
Feb 28, 2025
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Nov 13, 2024
(Electronic) Receipt
Appeal
Nov 13, 2024
Nov 13, 2024
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Nov 13, 2024
Reply to appeal
Appeal
Jul 24, 2024
Jul 17, 2024
(Electronic) Receipt
Appeal
Jul 17, 2024
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May 23, 2024
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May 16, 2024
(Electronic) Receipt
Appeal
May 16, 2024
May 16, 2024
Notice of appeal
Appeal
Mar 18, 2024
Mar 18, 2024
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Means of redress
OPPO
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Sep 7, 2021
Jul 29, 2021
Decision to grant a European patent
Search/Exam
Jul 15, 2021
(Electronic) Receipt
Search/Exam
Jul 15, 2021
Filing of the translations of the claims
Search/Exam
Jul 15, 2021
French translation of claims
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Jul 15, 2021
German translation of the claims
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Jul 15, 2021
Letter accompanying subsequently filed items
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Apr 8, 2021
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Intention to grant (signatures)
Search/Exam
Apr 8, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 8, 2021
Sep 3, 2020
(Electronic) Receipt
Search/Exam
Sep 3, 2020
Amended claims with annotations
Search/Exam
Sep 3, 2020
Amended description with annotations
Search/Exam
Sep 3, 2020
Claims
Search/Exam
Sep 3, 2020
Description
Search/Exam
Sep 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2020
Jul 8, 2020
Annex to the communication
Search/Exam
Jul 8, 2020
Communication from the Examining Division
Search/Exam
Apr 23, 2020
Apr 15, 2020
Observations by third parties
Search/Exam
Mar 24, 2020
(Electronic) Receipt
Search/Exam
Mar 24, 2020
Amended claims with annotations
Search/Exam
Mar 24, 2020
Amended description with annotations
Search/Exam
Mar 24, 2020
Claims
Search/Exam
Mar 24, 2020
Description
Search/Exam
Mar 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2020
Feb 7, 2020
Jan 23, 2020
Observations by third parties
Search/Exam
Jan 23, 2020
Patent document filed by a Third party
Search/Exam
Jan 23, 2020
Patent document filed by a Third party
Search/Exam
Jan 14, 2020
Annex to the communication
Search/Exam
Jan 14, 2020
Communication from the Examining Division
Search/Exam
Jan 8, 2020
Examination started
Search/Exam
Aug 30, 2019
Aug 30, 2019
Amended claims with annotations
Search/Exam
Aug 30, 2019
Amendments received before examination
Search/Exam
Mar 1, 2019
Feb 13, 2019
Feb 13, 2019
European search opinion
Search/Exam
Feb 13, 2019
Information on Search Strategy
Search/Exam
Feb 13, 2019
Supplementary European search report
Search/Exam
Jan 21, 2019
Search started
Search/Exam
Mar 28, 2018
Notification of forthcoming publication
Search/Exam
Mar 1, 2018
Mar 1, 2018
Amended claims with annotations
Search/Exam
Mar 1, 2018
Amendments received before examination
Search/Exam
Feb 9, 2018
Jan 24, 2018
Communication to designated inventor
Search/Exam
Jan 24, 2018
Communication to designated inventor
Search/Exam
Jan 24, 2018
Communication to designated inventor
Search/Exam
Jan 24, 2018
Communication to designated inventor
Search/Exam
Jan 3, 2018
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Dec 12, 2017
Abstract
Search/Exam
Dec 12, 2017
Claims
Search/Exam
Dec 12, 2017
Description
Search/Exam
Dec 12, 2017
Drawings
Search/Exam
Dec 12, 2017
Request for entry into the European phase
Search/Exam
Dec 12, 2017
Request for grant of a European patent
Search/Exam
Oct 27, 2017
Information on entry into European phase
Search/Exam
Jan 11, 2017
Jan 11, 2017
Dec 22, 2016
Copy of the international search report
Search/Exam
Dec 22, 2016
Dec 22, 2016
International publication pamphlet
Search/Exam