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The patent EP3825070 was granted to Ecovacs Robotics on Sep 20, 2023. The application was filed on Jul 8, 2019 under application number EP19836995A. 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 |
|---|---|---|---|
| TEQPHONE | Jun 20, 2024 | BRAUN DULLAEUS PANNEN EMMERLING PATENT & RECHTSANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
| DREAME TECHNOLOGY GERMANY | Mar 25, 2024 | BRAUN DULLAEUS PANNEN EMMERLING PATENT & RECHTSANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN101089556 |
| INTERNATIONAL-SEARCH-REPORT | CN104180799 |
| INTERNATIONAL-SEARCH-REPORT | CN107969995 |
| INTERNATIONAL-SEARCH-REPORT | CN108072370 |
| INTERNATIONAL-SEARCH-REPORT | US2005065655 |
| INTERNATIONAL-SEARCH-REPORT | WO2013071190 |
| OPPOSITION | CN106679647 |
| OPPOSITION | CN106708037 |
| OPPOSITION | CN107037806 |
| OPPOSITION | EP1868056 |
| OPPOSITION | EP2447800 |
| OPPOSITION | EP3257420 |
| OPPOSITION | FR2876467 |
| OPPOSITION | US2014034086 |
| OPPOSITION | WO2016182187 |
| OPPOSITION | WO2017140726 |
| OPPOSITION | WO2018087952 |
| OPPOSITION | WO2018158248 |
| SEARCH | EP1868056 |
| SEARCH | EP2447800 |
| SEARCH | FR2876467 |
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
Aug 11, 2023
French translation of claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
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Aug 4, 2023
French translation of claims
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German translation of the claims
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Aug 4, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Jul 11, 2023
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
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(Electronic) Receipt
Search/Exam
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Authorisation
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Letter accompanying subsequently filed items
Search/Exam
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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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Amendments received before examination
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Letter accompanying subsequently filed items
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European search opinion
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Information on Search Strategy
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Oct 27, 2021
Supplementary European search report
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Search started
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Apr 29, 2021
Notification of forthcoming publication
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Apr 27, 2021
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(Electronic) Receipt
Search/Exam
Apr 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2021
Matter concerning the application
Search/Exam
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Communication to designated inventor
Search/Exam
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(Electronic) Receipt
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Feb 11, 2021
Abstract
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Feb 11, 2021
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Amended claims with annotations
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Feb 11, 2021
Claims
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Description
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Feb 11, 2021
Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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International publication pamphlet
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