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The patent EP3840534 was granted to E Zoller Einstell UND Messgerte on Mar 6, 2024. The application was originally filed on Dec 17, 2020 under application number EP20214975A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102019115607 |
| OPPOSITION | DE10120757 |
| OPPOSITION | DE102005005892 |
| OPPOSITION | DE102005014984 |
| OPPOSITION | DE102014006519 |
| OPPOSITION | DE922700 |
| OPPOSITION | EP3543287 |
| OPPOSITION | JP3154730U |
| OPPOSITION | JPH1177443 |
| OPPOSITION | WO0189758 |
| OPPOSITION | WO2008098752 |
| SEARCH | DE102005005892 |
| SEARCH | DE102011082613 |
| SEARCH | DE202018104875U |
| SEARCH | JP2011011333 |
| SEARCH | WO0189758 |
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
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(Electronic) Receipt
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Jan 25, 2024
English translation of the claims
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Jan 25, 2024
Filing of the translations of the claims
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French translation of claims
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Jan 18, 2024
(Electronic) Receipt
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Jan 18, 2024
Letter accompanying subsequently filed items
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Oct 5, 2023
(Electronic) Receipt
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Oct 5, 2023
Letter concerning fees and payments
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Intention to grant (signatures)
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Sep 25, 2023
Text intended for grant (clean copy)
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Aug 6, 2023
Examination started
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Nov 23, 2022
(Electronic) Receipt
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Nov 23, 2022
Letter accompanying subsequently filed items
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Jul 19, 2021
(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Jul 19, 2021
Amendments received before examination
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Jul 19, 2021
Letter accompanying subsequently filed items
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Jun 28, 2021
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Notification of forthcoming publication
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May 6, 2021
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European search opinion
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May 6, 2021
European search report
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May 6, 2021
Information on Search Strategy
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Apr 26, 2021
Search started
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Feb 12, 2021
Communication to designated inventor
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Communication to designated inventor
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Jan 15, 2021
Letter concerning the priority
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Jan 15, 2021
Priority document
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Priority document
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Dec 17, 2020
Abstract
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Dec 17, 2020
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Claims
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Dec 17, 2020
Description
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Dec 17, 2020
Designation of inventor
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Dec 17, 2020
Drawings
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Dec 17, 2020
Priority search results
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Dec 17, 2020
Priority search results
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Dec 17, 2020
Request for grant of a European patent
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