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The patent EP3495140 was granted to Japan Polypropylene on Mar 10, 2021. The application was filed on Aug 2, 2017 under application number EP17837042A. 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 |
|---|---|---|---|
| TREOFAN GERMANY | Dec 10, 2021 | MAI BESIER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP20160238120 |
| DESCRIPTION | JP20160238121 |
| DESCRIPTION | JP20160240895 |
| DESCRIPTION | JP2002067137 |
| DESCRIPTION | JP2007254671 |
| DESCRIPTION | JP2010105197 |
| DESCRIPTION | JP2013014027 |
| DESCRIPTION | JP2014124940 |
| DESCRIPTION | JP2016151988 |
| DESCRIPTION | JP2016151989 |
| DESCRIPTION | JP2017049277 |
| INTERNATIONAL-SEARCH-REPORT | JP2002283506 |
| INTERNATIONAL-SEARCH-REPORT | JP2011016258 |
| INTERNATIONAL-SEARCH-REPORT | JP2014177086 |
| INTERNATIONAL-SEARCH-REPORT | JP2014198415 |
| INTERNATIONAL-SEARCH-REPORT | JP2017066373 |
| OPPOSITION | EP0695630 |
| OPPOSITION | EP2520428 |
| OPPOSITION | JP2014198415 |
| OPPOSITION | US2008044617 |
| OPPOSITION | US2014162032 |
| OPPOSITION | US8431234 |
| OPPOSITION | WO2004014650 |
| OPPOSITION | WO2005100019 |
| OPPOSITION | WO2006040057 |
| OPPOSITION | WO2009010178 |
| OPPOSITION | WO2010081682 |
| OPPOSITION | WO9730903 |
| OPPOSITION | WO9832598 |
| SEARCH | JP2014198415 |
| SEARCH | US2014162032 |
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
Jan 27, 2021
(Electronic) Receipt
Search/Exam
Jan 27, 2021
Filing of the translations of the claims
Search/Exam
Jan 27, 2021
French translation of claims
Search/Exam
Jan 27, 2021
German translation of the claims
Search/Exam
Jan 27, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2020
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Intention to grant (signatures)
Search/Exam
Dec 11, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 11, 2020
Sep 23, 2020
Examination started
Search/Exam
Mar 20, 2020
(Electronic) Receipt
Search/Exam
Mar 20, 2020
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Amended claims with annotations
Search/Exam
Mar 20, 2020
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Amended description with annotations
Search/Exam
Mar 20, 2020
Amendments received before examination
Search/Exam
Mar 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2020
Feb 7, 2020
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European search opinion
Search/Exam
Feb 7, 2020
Information on Search Strategy
Search/Exam
Feb 7, 2020
Supplementary European search report
Search/Exam
Jan 28, 2020
Search started
Search/Exam
May 15, 2019
Notification of forthcoming publication
Search/Exam
Mar 18, 2019
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Amended description with annotations
Search/Exam
Mar 18, 2019
Amendments received before examination
Search/Exam
Mar 8, 2019
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Feb 27, 2019
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Jan 29, 2019
(Electronic) Receipt
Search/Exam
Jan 29, 2019
Abstract
Search/Exam
Jan 29, 2019
Claims
Search/Exam
Jan 29, 2019
Description
Search/Exam
Jan 29, 2019
Drawings
Search/Exam
Jan 29, 2019
Request for entry into the European phase
Search/Exam
Dec 12, 2018
Information on entry into European phase
Search/Exam
Feb 26, 2018
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Feb 8, 2018
Copy of the international search report
Search/Exam
Feb 8, 2018
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International publication pamphlet
Search/Exam