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The patent EP3311687 was granted to Nitto Denko on May 19, 2021. The application was filed on Jun 14, 2016 under application number EP16811605A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | Feb 7, 2022 | EIDELSBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2006019572 |
| EXAMINATION | WO2008130807 |
| INTERNATIONAL-SEARCH-REPORT | JP2002315607 |
| INTERNATIONAL-SEARCH-REPORT | JP2012183316 |
| OPPOSITION | EP0585401 |
| OPPOSITION | EP2596715 |
| OPPOSITION | JP2001000212 |
| OPPOSITION | US2006019572 |
| OPPOSITION | WO2008130807 |
| OPPOSITION | WO2010074207 |
| OTHER | US2006019572 |
| OTHER | WO2008130807 |
| SEARCH | EP2596715 |
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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Mar 19, 2025
Refund of fees
Appeal
Mar 17, 2025
Mar 17, 2025
Mar 14, 2025
Mar 14, 2025
Mar 13, 2025
Mar 11, 2025
Mar 10, 2025
(Electronic) Receipt
Appeal
Mar 10, 2025
Mar 10, 2025
Withdrawal of an appeal
Appeal
Jan 24, 2025
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(Electronic) Receipt
Appeal
Jan 22, 2025
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(Electronic) Receipt
Appeal
Dec 9, 2024
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(Electronic) Receipt
Appeal
Jul 17, 2024
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(Electronic) Receipt
Appeal
Jul 15, 2024
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Oct 19, 2023
Oct 16, 2023
(Electronic) Receipt
Appeal
Oct 16, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jul 13, 2023
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Notice of appeal
Appeal
Jul 4, 2023
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Means of redress
OPPO
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Jun 1, 2021
Apr 22, 2021
Decision to grant a European patent
Search/Exam
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
Filing of the translations of the claims
Search/Exam
Apr 6, 2021
French translation of claims
Search/Exam
Apr 6, 2021
German translation of the claims
Search/Exam
Apr 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2020
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Intention to grant (signatures)
Search/Exam
Dec 8, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 8, 2020
Aug 19, 2020
(Electronic) Receipt
Search/Exam
Aug 19, 2020
Amended claims with annotations
Search/Exam
Aug 19, 2020
Amended claims with annotations
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Aug 19, 2020
Amended claims with annotations
Search/Exam
Aug 19, 2020
Claims
Search/Exam
Aug 19, 2020
Claims
Search/Exam
Aug 19, 2020
Claims
Search/Exam
Aug 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2020
Apr 17, 2020
Annex to the communication
Search/Exam
Apr 17, 2020
Communication from the Examining Division
Search/Exam
Feb 3, 2020
Jan 23, 2020
Observations by third parties
Search/Exam
Jan 23, 2020
Patent document filed by a Third party
Search/Exam
Nov 25, 2019
Amended claims with annotations
Search/Exam
Nov 25, 2019
Claims
Search/Exam
Nov 25, 2019
Jul 18, 2019
Annex to the communication
Search/Exam
Jul 18, 2019
Communication from the Examining Division
Search/Exam
Jul 11, 2019
Examination started
Search/Exam
May 22, 2019
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Amended claims with annotations
Search/Exam
May 22, 2019
Amendments received before examination
Search/Exam
Nov 20, 2018
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European search opinion
Search/Exam
Nov 2, 2018
Information on Search Strategy
Search/Exam
Nov 2, 2018
Supplementary European search report
Search/Exam
Oct 22, 2018
Search started
Search/Exam
Mar 28, 2018
Notification of forthcoming publication
Search/Exam
Feb 21, 2018
Feb 21, 2018
Amended claims with annotations
Search/Exam
Feb 21, 2018
Amendments received before examination
Search/Exam
Jan 26, 2018
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Communication to designated inventor
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Jan 24, 2018
Communication to designated inventor
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Jan 24, 2018
Communication to designated inventor
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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