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The patent EP3077346 was granted to Lhoist Recherche ET Dveloppement on Oct 23, 2019. The application was filed on Dec 4, 2014 under application number EP14808597A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| FELS VERTRIEBS UND SERVICE | Jul 23, 2020 | MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
| CARMEUSE RESEARCH AND TECHNOLOGY | Jul 17, 2020 | AWA BENELUX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2011098814 |
| INTERNATIONAL-SEARCH-REPORT | EP1406849 |
| INTERNATIONAL-SEARCH-REPORT | EP2404885 |
| INTERNATIONAL-SEARCH-REPORT | WO2008034616 |
| OPPOSITION | EP0465991 |
| OPPOSITION | EP1077199 |
| OPPOSITION | EP1719742 |
| OPPOSITION | EP2404885 |
| OPPOSITION | US5736600 |
| OPPOSITION | US8604104 |
| OPPOSITION | WO2008034616 |
| OPPOSITION | WO2011081681 |
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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Description
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Nov 4, 2019
Sep 26, 2019
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Decision to grant a European patent
Search/Exam
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
English translation of the claims
Search/Exam
Sep 12, 2019
Filing of the translations of the claims
Search/Exam
Sep 12, 2019
German translation of the claims
Search/Exam
Sep 12, 2019
Letter accompanying subsequently filed items
Search/Exam
May 21, 2019
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Intention to grant (signatures)
Search/Exam
May 21, 2019
Text intended for grant (clean copy)
Search/Exam
May 21, 2019
Mar 29, 2019
(Electronic) Receipt
Search/Exam
Mar 29, 2019
Amended claims with annotations
Search/Exam
Mar 29, 2019
Claims
Search/Exam
Mar 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2019
Dec 3, 2018
Annex to the communication
Search/Exam
Dec 3, 2018
Communication from the Examining Division
Search/Exam
Nov 9, 2018
Examination started
Search/Exam
Jul 26, 2018
Jan 11, 2017
(Electronic) Receipt
Search/Exam
Jan 11, 2017
Jan 11, 2017
Amended claims with annotations
Search/Exam
Jan 11, 2017
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Amended description with annotations
Search/Exam
Jan 11, 2017
Amendments received before examination
Search/Exam
Jan 11, 2017
Annex
Search/Exam
Jan 11, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2016
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Communication to designated inventor
Search/Exam
Jul 13, 2016
Communication to designated inventor
Search/Exam
Jul 9, 2016
Priority search results copy provided by EPO
Search/Exam
Jul 6, 2016
(Electronic) Receipt
Search/Exam
Jul 6, 2016
Request for entry into the European phase
Search/Exam
Jun 21, 2016
Apr 15, 2016
Information on entry into European phase
Search/Exam
Jun 29, 2015
Jun 11, 2015
Copy of the international search report
Search/Exam
Jun 11, 2015
Copy of the international search report
Search/Exam
Jun 11, 2015
Published international application - A1
Search/Exam
Feb 4, 2015
Feb 4, 2015
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Dec 4, 2014
(Electronic) Receipt
PCTRO
Dec 4, 2014
Abstract
PCTRO
Dec 4, 2014
Claims
PCTRO
Dec 4, 2014
Description
PCTRO