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The patent EP3187064 was granted to Nitto Denko on Jul 30, 2025. The application was filed on Aug 18, 2015 under application number EP15836905A. 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 |
|---|---|---|---|
| APLIX | Jun 28, 2021 | 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 | JP2011135985 |
| INTERNATIONAL-SEARCH-REPORT | JPH10127311 |
| INTERNATIONAL-SEARCH-REPORT | JPH11335956 |
| INTERNATIONAL-SEARCH-REPORT | WO2008108238 |
| OPPOSITION | EP3311688 |
| OPPOSITION | JP2011135985 |
| OPPOSITION | JP2014171497 |
| OPPOSITION | US2006019572 |
| OPPOSITION | WO2008130807 |
| OPPOSITION | WO2014004023 |
| OPPOSITION | WO2016204132 |
| OPPOSITION | WO9220251 |
| OTHER | JP2011135985 |
| OTHER | US2006019572 |
| OTHER | WO2008130807 |
| SEARCH | EP0882828 |
| SEARCH | EP1986583 |
| SEARCH | US2006019055 |
| SEARCH | US2011118692 |
| SEARCH | US5786060 |
| SEARCH | US5891547 |
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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Refund of fees
Appeal
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(Electronic) Receipt
Appeal
Mar 13, 2025
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Withdrawal of an appeal
Appeal
Feb 26, 2025
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Jul 31, 2024
Refund of fees
Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Sep 3, 2020
Decision to grant a European patent
Search/Exam
Aug 21, 2020
Aug 4, 2020
(Electronic) Receipt
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Aug 4, 2020
Filing of the translations of the claims
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Aug 4, 2020
French translation of claims
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Aug 4, 2020
German translation of the claims
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Aug 4, 2020
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jul 8, 2020
Text intended for grant (clean copy)
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Observations by third parties
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May 26, 2020
(Electronic) Receipt
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May 26, 2020
Amended claims with annotations
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May 26, 2020
Amended claims with annotations
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May 26, 2020
Claims
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May 26, 2020
Claims
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May 26, 2020
Letter accompanying subsequently filed items
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May 26, 2020
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Annex to the communication
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Jan 29, 2020
Communication from the Examining Division
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Jan 15, 2020
Dec 30, 2019
Non-patent literature filed by a third party
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Dec 30, 2019
Observations by third parties
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Dec 30, 2019
Patent document filed by a Third party
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Dec 30, 2019
Patent document filed by a Third party
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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May 14, 2019
Communication from the Examining Division
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Mar 29, 2019
Amended claims with annotations
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Mar 29, 2019
Claims
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Mar 29, 2019
Dec 4, 2018
Annex to the communication
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Dec 4, 2018
Communication from the Examining Division
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Nov 28, 2018
Examination started
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Aug 21, 2018
(Electronic) Receipt
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Aug 21, 2018
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Amended claims with annotations
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Aug 21, 2018
Amendments received before examination
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Aug 21, 2018
Letter accompanying subsequently filed items
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Mar 22, 2018
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European search opinion
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Mar 5, 2018
Information on Search Strategy
Search/Exam
Mar 5, 2018
Supplementary European search report
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Feb 21, 2018
Search started
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Sep 7, 2017
Payment of fees and costs
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Sep 4, 2017
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Amended claims with annotations
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Sep 4, 2017
Amendments received before examination
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Jun 8, 2017
Notification of forthcoming publication
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Apr 4, 2017
Mar 31, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Mar 31, 2017
Communication to designated inventor
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Mar 13, 2017
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Payment of fees and costs
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Feb 16, 2017
Abstract
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Feb 16, 2017
Claims
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Feb 16, 2017
Description
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Feb 16, 2017
Drawings
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Feb 16, 2017
Request for entry into the European phase
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Feb 16, 2017
Request for grant of a European patent
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Jan 9, 2017
Information on entry into European phase
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Mar 22, 2016
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Mar 3, 2016
Copy of the international search report
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Mar 3, 2016
Mar 3, 2016
International publication pamphlet
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