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The patent EP3031657 was granted to Nabtesco on Dec 4, 2019. The application was filed on Aug 5, 2014 under application number EP14835236A. 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 |
|---|---|---|---|
| KNORR BREMSE SYSTEME FUR SCHIENENFAHRZEUGE | Sep 4, 2020 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2001314001 |
| INTERNATIONAL-SEARCH-REPORT | JP2004101487 |
| INTERNATIONAL-SEARCH-REPORT | JP2007089269 |
| INTERNATIONAL-SEARCH-REPORT | JP2011055416 |
| INTERNATIONAL-SEARCH-REPORT | WO2011070651 |
| INTERNATIONAL-SEARCH-REPORT | WO2012176295 |
| OPPOSITION | EP2527183 |
| OPPOSITION | EP3031657 |
| OPPOSITION | JP2011055416 |
| OPPOSITION | JP2013163479 |
| OPPOSITION | US2007096548 |
| OPPOSITION | US2010070149 |
| OPPOSITION | US4692867 |
| OPPOSITION | US5713639 |
| OPPOSITION | WO2004054840 |
| OPPOSITION | WO2015020062 |
| SEARCH | EP1569815 |
| SEARCH | JP2011055416 |
| SEARCH | US4692867 |
| SEARCH | US5713639 |
| SEARCH | US6062657 |
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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Dec 16, 2019
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Decision to grant a European patent
Search/Exam
Oct 29, 2019
(Electronic) Receipt
Search/Exam
Oct 29, 2019
Filing of the translations of the claims
Search/Exam
Oct 29, 2019
French translation of claims
Search/Exam
Oct 29, 2019
German translation of the claims
Search/Exam
Jul 10, 2019
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Intention to grant (signatures)
Search/Exam
Jul 10, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 10, 2019
Apr 15, 2019
Amended claims with annotations
Search/Exam
Apr 15, 2019
Claims
Search/Exam
Apr 15, 2019
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Oct 24, 2018
Annex to the communication
Search/Exam
Oct 24, 2018
Communication from the Examining Division
Search/Exam
Sep 27, 2018
Examination started
Search/Exam
Oct 10, 2017
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Amended claims with annotations
Search/Exam
Oct 10, 2017
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Amended description with annotations
Search/Exam
Oct 10, 2017
Amendments received before examination
Search/Exam
Mar 31, 2017
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European search opinion
Search/Exam
Mar 14, 2017
Information on Search Strategy
Search/Exam
Mar 14, 2017
Supplementary European search report
Search/Exam
Sep 21, 2016
Matter concerning the application
Search/Exam
Sep 21, 2016
Payment of fees and costs
Search/Exam
May 19, 2016
Notification of forthcoming publication
Search/Exam
Mar 15, 2016
Mar 11, 2016
Communication to designated inventor
Search/Exam
Feb 22, 2016
Feb 22, 2016
Feb 10, 2016
(Electronic) Receipt
Search/Exam
Feb 10, 2016
Abstract
Search/Exam
Feb 10, 2016
Claims
Search/Exam
Feb 10, 2016
Description
Search/Exam
Feb 10, 2016
Drawings
Search/Exam
Feb 10, 2016
Request for entry into the European phase
Search/Exam
Dec 16, 2015
Information on entry into European phase
Search/Exam
Jul 21, 2015
Notification of the recording of a change
Search/Exam
Mar 5, 2015
Feb 12, 2015
Copy of the international search report
Search/Exam
Feb 12, 2015
Feb 12, 2015
International publication pamphlet
Search/Exam