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The patent EP3501773 was granted to Coperion on Oct 21, 2020. The application was filed on Dec 20, 2018 under application number EP18214297A. 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 |
|---|---|---|---|
| BUSS | Jul 21, 2021 | HENKEL & PARTNER MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| SEARCH | DE102005017844 |
| SEARCH | DE102013008566 |
| SEARCH | DE10322610 |
| SEARCH | DE1454841 |
| SEARCH | US2005035483 |
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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Payment submission rejected
Search/Exam
Nov 2, 2020
Sep 24, 2020
Decision to grant a European patent
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Sep 9, 2020
(Electronic) Receipt
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Sep 9, 2020
English translation of the claims
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Sep 9, 2020
Filing of the translations of the claims
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Sep 9, 2020
French translation of claims
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Sep 9, 2020
Letter accompanying subsequently filed items
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May 19, 2020
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Intention to grant (signatures)
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May 19, 2020
Text intended for grant (clean copy)
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May 19, 2020
Dec 10, 2019
(Electronic) Receipt
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Dec 10, 2019
Dec 10, 2019
Amended description with annotations
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Dec 10, 2019
Amendments received before examination
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Dec 10, 2019
Letter accompanying subsequently filed items
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Jul 1, 2019
May 29, 2019
Notification of forthcoming publication
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Mar 14, 2019
Mar 14, 2019
European search opinion
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Mar 14, 2019
European search report
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Mar 14, 2019
Information on Search Strategy
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Feb 12, 2019
Communication to designated inventor
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Feb 12, 2019
Communication to designated inventor
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Communication to designated inventor
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Feb 12, 2019
Communication to designated inventor
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Feb 12, 2019
Communication to designated inventor
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Dec 24, 2018
Letter concerning the priority
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Dec 24, 2018
Priority document
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Dec 20, 2018
Abstract
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Dec 20, 2018
Dec 20, 2018
Claims
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Dec 20, 2018
Description
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Dec 20, 2018
Designation of inventor
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Dec 20, 2018
Drawings
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Dec 20, 2018
Priority search results
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Dec 20, 2018
Request for grant of a European patent
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