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The patent EP3088373 was granted to Tosoh on Nov 27, 2019. The application was filed on Dec 19, 2014 under application number EP14874020A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| TREIBACHER INDUSTRIE | Aug 27, 2020 | SCHWARZ & PARTNER PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2008222450 |
| DESCRIPTION | JPS62153163 |
| DESCRIPTION | WO2009125793 |
| INTERNATIONAL-SEARCH-REPORT | JP2008081325 |
| INTERNATIONAL-SEARCH-REPORT | WO2008013099 |
| INTERNATIONAL-SEARCH-REPORT | WO2009125793 |
| OPPOSITION | EP0218853 |
| OPPOSITION | EP2045222 |
| OPPOSITION | EP2263988 |
| OPPOSITION | EP2738147 |
| OPPOSITION | EP3159323 |
| OPPOSITION | US5219805 |
| OPPOSITION | WO2012125885 |
| OTHER | EP2045222 |
| OTHER | EP2738147 |
| OTHER | JP2008081325 |
| OTHER | JP2008214168 |
| OTHER | JP2008222450 |
| OTHER | WO2008013099 |
| OTHER | WO2013018728 |
| OTHER | WO2015098765 |
| SEARCH | JP2008222450 |
| SEARCH | US2010003630 |
| SEARCH | US2011027742 |
| SEARCH | US5326518 |
| SEARCH | WO2013018728 |
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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Dec 4, 2023
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
Sep 8, 2022
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Dec 9, 2019
Oct 31, 2019
Decision to grant a European patent
Search/Exam
Oct 18, 2019
(Electronic) Receipt
Search/Exam
Oct 18, 2019
French translation of claims
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Oct 18, 2019
German translation of the claims
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Oct 18, 2019
Letter accompanying subsequently filed items
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Jun 12, 2019
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Intention to grant (signatures)
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Jun 12, 2019
Text intended for grant (clean copy)
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Jun 12, 2019
May 14, 2019
(Electronic) Receipt
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May 14, 2019
Description
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May 14, 2019
Letter accompanying subsequently filed items
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May 14, 2019
Mar 4, 2019
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Intention to grant (signatures)
Search/Exam
Mar 4, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 4, 2019
Dec 28, 2018
(Electronic) Receipt
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Dec 28, 2018
Amended claims with annotations
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Dec 28, 2018
Amended description with annotations
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Dec 28, 2018
Claims
Search/Exam
Dec 28, 2018
Description
Search/Exam
Dec 28, 2018
Letter accompanying subsequently filed items
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Dec 28, 2018
Aug 28, 2018
Annex to the communication
Search/Exam
Aug 28, 2018
Communication from the Examining Division
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Aug 17, 2018
Examination started
Search/Exam
Dec 18, 2017
(Electronic) Receipt
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Dec 18, 2017
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Amended claims with annotations
Search/Exam
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Amended description with annotations
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Dec 18, 2017
Amendments received before examination
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Dec 18, 2017
Letter accompanying subsequently filed items
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Jul 18, 2017
Jun 30, 2017
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European search opinion
Search/Exam
Jun 30, 2017
Information on Search Strategy
Search/Exam
Jun 30, 2017
Supplementary European search report
Search/Exam
May 19, 2017
Search started
Search/Exam
May 10, 2017
Feb 28, 2017
Observations by third parties
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Feb 28, 2017
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Oct 6, 2016
Notification of forthcoming publication
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Aug 11, 2016
Jul 29, 2016
Communication to designated inventor
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Jul 29, 2016
Communication to designated inventor
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Jul 12, 2016
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Jun 15, 2016
(Electronic) Receipt
Search/Exam
Jun 15, 2016
Abstract
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Jun 15, 2016
Jun 15, 2016
Amended description with annotations
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Jun 15, 2016
Claims
Search/Exam
Jun 15, 2016
Description
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Jun 15, 2016
Request for entry into the European phase
Search/Exam
May 9, 2016
Information on entry into European phase
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Jul 23, 2015
Jul 2, 2015
Copy of the international search report
Search/Exam
Jul 2, 2015
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International publication pamphlet
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