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The patent EP2583756 was granted to Daizo on Aug 8, 2018. The application was filed on Jun 15, 2011 under application number EP11795785A. 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 |
|---|---|---|---|
| APTAR RADOLFZELL | May 7, 2019 | PATENTANWALTSKANZLEI CARTAGENA | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2000153188 |
| DESCRIPTION | JPH11513608 |
| DESCRIPTION | WO2007004314 |
| INTERNATIONAL-SEARCH-REPORT | JP2000238868 |
| INTERNATIONAL-SEARCH-REPORT | JPH0248158U |
| INTERNATIONAL-SEARCH-REPORT | JPH03114248U |
| INTERNATIONAL-SEARCH-REPORT | JPH08511719 |
| INTERNATIONAL-SEARCH-REPORT | JPS5452315 |
| OPPOSITION | US2007131799 |
| OPPOSITION | US2008121738 |
| OPPOSITION | US2009057447 |
| OPPOSITION | US3129893 |
| OPPOSITION | US3711031 |
| OPPOSITION | US3881658 |
| OPPOSITION | US4260110 |
| SEARCH | JP2000153188 |
| SEARCH | JP2000238868 |
| SEARCH | US3711031 |
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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Jul 12, 2018
Decision to grant a European patent
Search/Exam
Jun 18, 2018
(Electronic) Receipt
Search/Exam
Jun 18, 2018
Filing of the translations of the claims
Search/Exam
Jun 18, 2018
French translation of claims
Search/Exam
Jun 18, 2018
German translation of the claims
Search/Exam
Jun 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2018
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Intention to grant (signatures)
Search/Exam
Mar 5, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 5, 2018
Jan 26, 2018
(Electronic) Receipt
Search/Exam
Jan 26, 2018
Amended claims with annotations
Search/Exam
Jan 26, 2018
Claims
Search/Exam
Jan 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 26, 2018
Sep 25, 2017
Annex to the communication
Search/Exam
Sep 25, 2017
Communication from the Examining Division
Search/Exam
Sep 15, 2017
Examination started
Search/Exam
May 18, 2017
Submission concerning representation
Search/Exam
Mar 31, 2015
Submission concerning representation
Search/Exam
May 20, 2014
May 9, 2014
(Electronic) Receipt
Search/Exam
May 9, 2014
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Amended claims with annotations
Search/Exam
May 9, 2014
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Amendments received before examination
Search/Exam
May 9, 2014
Letter accompanying subsequently filed items
Search/Exam
Nov 8, 2013
Oct 22, 2013
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European search opinion
Search/Exam
Oct 22, 2013
Supplementary European search report
Search/Exam
Oct 11, 2013
Search started
Search/Exam
Jul 12, 2013
(Electronic) Receipt
Search/Exam
Jul 12, 2013
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Amendments received before examination
Search/Exam
Jul 12, 2013
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2013
Notification of forthcoming publication
Search/Exam
Jan 23, 2013
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Communication to designated inventor
Search/Exam
Jan 18, 2013
Communication to designated inventor
Search/Exam
Jan 8, 2013
Jan 8, 2013
Reply by International Bureau
Search/Exam
Jan 7, 2013
Dec 20, 2012
Enquiry with the International Bureau
Search/Exam
Dec 19, 2012
Submission concerning representation
Search/Exam
Dec 11, 2012
(Electronic) Receipt
Search/Exam
Dec 11, 2012
Abstract
Search/Exam
Dec 11, 2012
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Claims
Search/Exam
Dec 11, 2012
Description
Search/Exam
Dec 11, 2012
Drawings
Search/Exam
Dec 11, 2012
Request for entry into the European phase
Search/Exam
Oct 26, 2012
Information on entry into European phase
Search/Exam
Jan 11, 2012
Dec 22, 2011
Copy of the international search report
Search/Exam
Dec 22, 2011
Dec 22, 2011
International publication pamphlet
Search/Exam