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The patent EP3858606 was granted to Cnbm Bengbu Design & Research Institute FOR Glass Industry on Sep 7, 2022. The application was filed on Jan 28, 2020 under application number EP20153987A. 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 |
|---|---|---|---|
| FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV | Jun 6, 2023 | FRIESE GOEDEN PATENTANWALTE PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP20180186161 |
| DESCRIPTION | EP20180186175 |
| DESCRIPTION | EP1818615 |
| EXAMINATION | EP2897795 |
| EXAMINATION | EP3129810 |
| OPPOSITION | DE102013013808 |
| OPPOSITION | DE202012102494U |
| OPPOSITION | EP2319813 |
| OPPOSITION | EP2897795 |
| OPPOSITION | US2010181014 |
| OPPOSITION | US2012183734 |
| OPPOSITION | US2014104690 |
| OPPOSITION | WO2017209888 |
| OPPOSITION | WO2018154045 |
| OPPOSITION | WO2018212988 |
| SEARCH | EP2793271 |
| SEARCH | EP2897795 |
| SEARCH | EP3129810 |
| SEARCH | US2014104690 |
| SEARCH | WO2018154045 |
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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Decision to grant a European patent
Search/Exam
Jul 28, 2022
(Electronic) Receipt
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Jul 28, 2022
English translation of the claims
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Jul 28, 2022
Filing of the translations of the claims
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Jul 28, 2022
French translation of claims
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Jul 28, 2022
Letter accompanying subsequently filed items
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Jul 15, 2022
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Intention to grant (signatures)
Search/Exam
Jul 15, 2022
Text intended for grant (clean copy)
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Examination started
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May 24, 2022
Annexes in respect of a client data request
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May 24, 2022
Letter accompanying subsequently filed items
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Feb 2, 2022
Matter concerning the application
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Oct 20, 2021
Oct 14, 2021
(Electronic) Receipt
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Oct 14, 2021
Letter accompanying subsequently filed items
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Oct 14, 2021
Sep 27, 2021
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Authorisation
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Sep 1, 2021
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Document concerning representation
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Jul 7, 2021
Notification of forthcoming publication
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Nov 3, 2020
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European search opinion
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European search report
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Nov 3, 2020
Information on Search Strategy
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Jul 28, 2020
Search started
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Apr 16, 2020
(Electronic) Receipt
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Apr 16, 2020
Drawings
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Apr 16, 2020
Letter accompanying subsequently filed items
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Apr 16, 2020
Mar 23, 2020
Communication to designated inventor
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Mar 23, 2020
Communication to designated inventor
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Feb 14, 2020
Jan 28, 2020
Abstract
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Jan 28, 2020
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Claims
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Jan 28, 2020
Description
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Jan 28, 2020
Designation of inventor
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Jan 28, 2020
Drawings
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Jan 28, 2020
Request for grant of a European patent
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