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The patent EP3233520 was granted to Mubea Carbo Tech on Oct 30, 2024. The application was filed on Dec 17, 2015 under application number EP15820098A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| LINDNER BLAUMEIER PATENT UND RECHTSANWALTE PARTNERSCHAFTSGESELLSCHAFT MBB | Nov 24, 2021 | LINDNER BLAUMEIER PATENT UND RECHTSANWALTE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE3224929 |
| DESCRIPTION | US2010194179 |
| DESCRIPTION | US5538114 |
| DESCRIPTION | WO2009130229 |
| INTERNATIONAL-SEARCH-REPORT | DE10006400 |
| INTERNATIONAL-SEARCH-REPORT | DE29506703U |
| INTERNATIONAL-SEARCH-REPORT | JP2010030374 |
| INTERNATIONAL-SEARCH-REPORT | US4900097 |
| INTERNATIONAL-SEARCH-REPORT | US5277479 |
| OPPOSITION | DE10006400 |
| OPPOSITION | DE29506703U |
| OPPOSITION | DE3224929 |
| OPPOSITION | EP2743095 |
| OPPOSITION | EP2853566 |
| OPPOSITION | GB2459372 |
| OPPOSITION | JP2010030374 |
| OPPOSITION | US2010194179 |
| OPPOSITION | US2012025597 |
| OPPOSITION | US4511184 |
| OPPOSITION | US4900097 |
| OPPOSITION | US5188981 |
| OPPOSITION | US5277479 |
| OPPOSITION | US5538114 |
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
Jan 13, 2021
Filing of the translations of the claims
Search/Exam
Oct 8, 2020
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Intention to grant (signatures)
Search/Exam
Oct 8, 2020
Text intended for grant (clean copy)
Search/Exam
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Change to the inventor details
Search/Exam
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French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
May 6, 2020
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Feb 5, 2018
Amendments received before examination
Search/Exam
Sep 27, 2017
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Submission concerning representation
Search/Exam
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Letter which had not been notified
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Jul 14, 2017
(Electronic) Receipt
Search/Exam
Jul 14, 2017
Request for entry into the European phase
Search/Exam
Jul 4, 2017
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Information on entry into European phase
Search/Exam
Jun 23, 2016
Copy of the international search report
Search/Exam
Jun 23, 2016
Published international application - A1
Search/Exam
Mar 3, 2016
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Dec 17, 2015
Abstract
PCTRO
Dec 17, 2015
Claims
PCTRO
Dec 17, 2015
Description
PCTRO
Dec 17, 2015
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Drawings
PCTRO
Dec 17, 2015