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The patent EP3178571 was granted to Ishida on Dec 15, 2021. The application was filed on Aug 5, 2015 under application number EP15829654A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| WIPOTEC | Sep 14, 2022 | EDER SCHIESCHKE & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2002243664 |
| INTERNATIONAL-SEARCH-REPORT | JPH0576849 |
| INTERNATIONAL-SEARCH-REPORT | JPH0639352 |
| INTERNATIONAL-SEARCH-REPORT | JPS5610980U |
| INTERNATIONAL-SEARCH-REPORT | JPS59142083U |
| OPPOSITION | DE60032059T |
| OPPOSITION | DE60225916T |
| OPPOSITION | EP0159559 |
| OPPOSITION | EP2251680 |
| OPPOSITION | GB2309078 |
| OPPOSITION | JP2009183818 |
| OPPOSITION | US7983779 |
| SEARCH | DE102006029450 |
| SEARCH | EP2163886 |
| SEARCH | GB2079633 |
| SEARCH | JP2012193001 |
| SEARCH | JPH0576849 |
| SEARCH | JPS59142083U |
| SEARCH | WO2009101772 |
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.
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Description
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Sep 27, 2024
Sep 10, 2024
Sep 4, 2024
(Electronic) Receipt
Appeal
Sep 4, 2024
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Reply to appeal
Appeal
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(Electronic) Receipt
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Appeal
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Notice of appeal
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Jan 5, 2022
Nov 18, 2021
Decision to grant a European patent
Search/Exam
Nov 5, 2021
(Electronic) Receipt
Search/Exam
Nov 5, 2021
Filing of the translations of the claims
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Nov 5, 2021
French translation of claims
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Nov 5, 2021
German translation of the claims
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Jul 13, 2021
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Intention to grant (signatures)
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Jul 13, 2021
Text intended for grant (clean copy)
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Jul 13, 2021
May 12, 2021
Examination started
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Jan 10, 2018
(Electronic) Receipt
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Jan 10, 2018
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Amended claims with annotations
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Jan 10, 2018
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Amended description with annotations
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Jan 10, 2018
Amendments received before examination
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Jan 10, 2018
Letter accompanying subsequently filed items
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European search opinion
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Jun 23, 2017
Information on Search Strategy
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Jun 23, 2017
Supplementary European search report
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Jun 15, 2017
Search started
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May 17, 2017
Notification of forthcoming publication
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Mar 20, 2017
Communication to designated inventor
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Mar 20, 2017
Communication to designated inventor
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Mar 7, 2017
(Electronic) Receipt
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Mar 7, 2017
Abstract
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Mar 7, 2017
Claims
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Mar 7, 2017
Description
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Mar 7, 2017
Drawings
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Mar 7, 2017
Request for entry into the European phase
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Feb 28, 2017
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Dec 16, 2016
Information on entry into European phase
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Mar 1, 2016
Feb 11, 2016
Copy of the international search report
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Feb 11, 2016
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International publication pamphlet
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