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The patent EP3835012 was granted to Dorco on Oct 11, 2023. The application was filed on Dec 10, 2020 under application number EP20213042A. 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 |
|---|---|---|---|
| BIC VIOLEX SINGLE MEMBER | Jul 10, 2024 | BIC | ADMISSIBLE |
| BIC VIOLEX SINGLE MEMBER | Jul 10, 2024 | PETERREINS SCHLEY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2537648 |
| OPPOSITION | EP3072647 |
| OPPOSITION | US2009113716 |
| OPPOSITION | US2009293281 |
| OPPOSITION | US2019299458 |
| OPPOSITION | WO2008002069 |
| SEARCH | EP2823941 |
| SEARCH | EP3072647 |
| SEARCH | US2009113716 |
| SEARCH | US2010139103 |
| SEARCH | US2013205595 |
| SEARCH | US2015090085 |
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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OPPO
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Decision to grant a European patent
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(Electronic) Receipt
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Sep 5, 2023
French translation of claims
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Sep 5, 2023
German translation of the claims
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Sep 5, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Dec 16, 2021
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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European search report
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Information on Search Strategy
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Modified abstract
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Apr 15, 2021
Search started
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Communication to designated inventor
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Communication to designated inventor
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Dec 10, 2020
Abstract
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Claims
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Dec 10, 2020
Description
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Dec 10, 2020
Designation of inventor
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Dec 10, 2020
Drawings
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Dec 10, 2020
Request for grant of a European patent
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