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The patent EP2610232 was granted to Tosoh on Jun 26, 2019. The application was filed on Jul 19, 2007 under application number EP13001601A. 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 |
|---|---|---|---|
| SOLVENTUM PROPERTIES SOLVENTUM GERMANY | Mar 12, 2020 | BREM | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH03170148 |
| DESCRIPTION | JPH0380153 |
| DESCRIPTION | JPH06172031 |
| DESCRIPTION | JPH08117248 |
| DESCRIPTION | JPH11276504 |
| DESCRIPTION | JPS60226457 |
| DESCRIPTION | JPS60235762 |
| DESCRIPTION | JPS6086073 |
| DESCRIPTION | JPS6291467 |
| EXAMINATION | JPS6291467 |
| OPPOSITION | EP0297908 |
| OPPOSITION | EP0908425 |
| OPPOSITION | EP2263988 |
| OPPOSITION | EP2674408 |
| OPPOSITION | EP2692311 |
| OPPOSITION | EP2897923 |
| OPPOSITION | EP3088373 |
| OPPOSITION | EP3159323 |
| OPPOSITION | JPH03170148 |
| OPPOSITION | JPS62153163U |
| OPPOSITION | US2002006532 |
| OPPOSITION | US2005164867 |
| OPPOSITION | US4742030 |
| OPPOSITION | US4774041 |
| OPPOSITION | US6069103 |
| OPPOSITION | WO2021048674 |
| OTHER | JPS62153163 |
| SEARCH | JPH0380153 |
| SEARCH | JPH11116328 |
| SEARCH | JPS62153163U |
| SEARCH | US2005164867 |
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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Decision to grant a European patent
Search/Exam
May 15, 2019
(Electronic) Receipt
Search/Exam
May 15, 2019
Filing of the translations of the claims
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May 15, 2019
French translation of claims
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May 15, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Feb 21, 2019
Text intended for grant (clean copy)
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(Electronic) Receipt
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Nov 5, 2018
Claims
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Nov 5, 2018
Letter accompanying subsequently filed items
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Nov 5, 2018
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Annex to the communication
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Jul 11, 2018
Communication from the Examining Division
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Jul 3, 2018
Examination started
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Nov 23, 2017
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(Electronic) Receipt
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Nov 10, 2017
Enquiry as to the processing of the file
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Nov 10, 2017
Letter accompanying subsequently filed items
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Oct 12, 2016
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Amended claims with annotations
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Amended description with annotations
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Oct 12, 2016
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Apr 18, 2016
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European search opinion
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European search report
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Mar 14, 2016
Information on Search Strategy
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Jul 27, 2015
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(Electronic) Receipt
Search/Exam
Jan 7, 2015
Letter accompanying subsequently filed items
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Jan 7, 2015
Observations by third parties
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Jan 7, 2015
Patent document filed by a Third party
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Jan 7, 2015
Patent document filed by a Third party
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Feb 4, 2014
Submission concerning representation
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Dec 13, 2013
Submission concerning representation
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Jun 5, 2013
Notification of forthcoming publication
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Jun 4, 2013
Communication to designated inventor
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Jun 4, 2013
Communication to designated inventor
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Jun 4, 2013
Communication to designated inventor
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Apr 11, 2013
Payment of fees and costs
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Mar 27, 2013
Abstract
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Mar 27, 2013
Claims
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Mar 27, 2013
Description
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Mar 27, 2013
Designation of inventor
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Mar 27, 2013
Drawings
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Mar 27, 2013
Matter concerning the application
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Mar 27, 2013
Priority search results
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Mar 27, 2013
Request for grant of a European patent
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Feb 25, 2008
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