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The patent EP3481612 was granted to Coperion on Jan 27, 2021. The application was filed on Jul 27, 2017 under application number EP17746064A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SPANDERN | Oct 26, 2021 | TBK | ADMISSIBLE |
| TOTALENERGIES ONE TECH BELGIUM | Oct 18, 2021 | BANSE & STEGLICH PATENTANWALTE PARTMBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102004002401 |
| EXAMINATION | US2016075053 |
| INTERNATIONAL-SEARCH-REPORT | DE102004002401 |
| INTERNATIONAL-SEARCH-REPORT | DE102014110337 |
| INTERNATIONAL-SEARCH-REPORT | DE10230321 |
| INTERNATIONAL-SEARCH-REPORT | DE202013001692U |
| INTERNATIONAL-SEARCH-REPORT | US2008093763 |
| INTERNATIONAL-SEARCH-REPORT | US2009134537 |
| INTERNATIONAL-SEARCH-REPORT | US2013228308 |
| INTERNATIONAL-SEARCH-REPORT | US5895617 |
| OPPOSITION | DE102004002401 |
| OPPOSITION | DE102004011324 |
| OPPOSITION | DE102012003890 |
| OPPOSITION | DE19754863 |
| OPPOSITION | DE3815897 |
| OPPOSITION | DE3923241 |
| OPPOSITION | EP0786487 |
| OPPOSITION | EP0875356 |
| OPPOSITION | EP1970180 |
| OPPOSITION | JP2003276843 |
| OPPOSITION | JP2011167996 |
| OPPOSITION | US2013228308 |
| OPPOSITION | US2016075053 |
| OPPOSITION | US2017260339 |
| OPPOSITION | US4385016 |
| OPPOSITION | US5895617 |
| OPPOSITION | US6149419 |
| OPPOSITION | WO2009102863 |
| OPPOSITION | WO2010099215 |
| OPPOSITION | WO2011005528 |
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.
Date
Description
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Decision to grant a European patent
Search/Exam
Dec 16, 2020
(Electronic) Receipt
Search/Exam
Dec 16, 2020
English translation of the claims
Search/Exam
Dec 16, 2020
Filing of the translations of the claims
Search/Exam
Dec 16, 2020
French translation of claims
Search/Exam
Dec 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2020
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Intention to grant (signatures)
Search/Exam
Sep 7, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 7, 2020
Jun 15, 2020
(Electronic) Receipt
Search/Exam
Jun 15, 2020
Amended claims with annotations
Search/Exam
Jun 15, 2020
Amended description with annotations
Search/Exam
Jun 15, 2020
Claims
Search/Exam
Jun 15, 2020
Description
Search/Exam
Jun 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 15, 2020
Apr 29, 2020
Change to the inventor details
Search/Exam
Apr 23, 2020
(Electronic) Receipt
Search/Exam
Apr 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2020
Letter concerning the inventor
Search/Exam
Mar 5, 2020
Annex to the communication
Search/Exam
Mar 5, 2020
Communication from the Examining Division
Search/Exam
Oct 11, 2019
(Electronic) Receipt
Search/Exam
Oct 11, 2019
Amended description with annotations
Search/Exam
Oct 11, 2019
Description
Search/Exam
Oct 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2019
Jun 3, 2019
Annex to the communication
Search/Exam
Jun 3, 2019
Communication from the Examining Division
Search/Exam
Apr 17, 2019
Mar 5, 2019
Feb 26, 2019
Priority search results copy provided by EPO
Search/Exam
Feb 15, 2019
Feb 13, 2019
Communication to designated inventor
Search/Exam
Feb 13, 2019
Communication to designated inventor
Search/Exam
Feb 13, 2019
Communication to designated inventor
Search/Exam
Feb 13, 2019
Communication to designated inventor
Search/Exam
Feb 13, 2019
Communication to designated inventor
Search/Exam
Feb 6, 2019
(Electronic) Receipt
Search/Exam
Feb 6, 2019
Priority search results
Search/Exam
Feb 6, 2019
Request for entry into the European phase
Search/Exam
Jan 4, 2019
Information on entry into European phase
Search/Exam
Mar 12, 2018
Feb 22, 2018
Copy of the international search report
Search/Exam
Feb 22, 2018
Copy of the international search report
Search/Exam
Feb 22, 2018
Published international application - A1
Search/Exam
Oct 16, 2017
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RO101 Declaration
PCTRO
Aug 14, 2017
Jul 27, 2017
(Electronic) Receipt
PCTRO
Jul 27, 2017
Abstract
PCTRO
Jul 27, 2017
Claims
PCTRO
Jul 27, 2017
Description
PCTRO
Jul 27, 2017
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Drawings
PCTRO
Jul 27, 2017
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