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The patent EP3239248 was granted to Shiraishi Kogyo Kaisha on May 29, 2019. The application was originally filed on Dec 24, 2014 under application number EP14908955A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2007169485 |
| INTERNATIONAL-SEARCH-REPORT | JP2013047300 |
| INTERNATIONAL-SEARCH-REPORT | JP2013216863 |
| INTERNATIONAL-SEARCH-REPORT | JP2014156525 |
| OPPOSITION | EP2537806 |
| OPPOSITION | JP2007045935 |
| OPPOSITION | JP2007169485 |
| OPPOSITION | JP2013047300 |
| OPPOSITION | JP2013216863 |
| OPPOSITION | JP2014156525 |
| OPPOSITION | US8329802 |
| OPPOSITION | WO2013168600 |
| SEARCH | US2012309877 |
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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Jun 11, 2019
May 3, 2019
Decision to grant a European patent
Search/Exam
Apr 16, 2019
(Electronic) Receipt
Search/Exam
Apr 16, 2019
Filing of the translations of the claims
Search/Exam
Apr 16, 2019
French translation of claims
Search/Exam
Apr 16, 2019
German translation of the claims
Search/Exam
Jan 2, 2019
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Intention to grant (signatures)
Search/Exam
Jan 2, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 2, 2019
Nov 28, 2018
Examination started
Search/Exam
Oct 25, 2018
(Electronic) Receipt
Search/Exam
Oct 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Jul 27, 2018
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European search opinion
Search/Exam
Jul 10, 2018
Information on Search Strategy
Search/Exam
Jul 10, 2018
Supplementary European search report
Search/Exam
Jun 12, 2018
Search started
Search/Exam
Oct 5, 2017
Notification of forthcoming publication
Search/Exam
Aug 1, 2017
Jul 28, 2017
Communication to designated inventor
Search/Exam
Jul 28, 2017
Communication to designated inventor
Search/Exam
Jul 10, 2017
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Jun 20, 2017
(Electronic) Receipt
Search/Exam
Jun 20, 2017
Abstract
Search/Exam
Jun 20, 2017
Claims
Search/Exam
Jun 20, 2017
Description
Search/Exam
Jun 20, 2017
Request for entry into the European phase
Search/Exam
May 8, 2017
Information on entry into European phase
Search/Exam
Jun 30, 2016
Copy of the international search report
Search/Exam
Jun 30, 2016
Jun 30, 2016
International publication pamphlet
Search/Exam