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The patent EP3356295 was granted to Lhoist Recherche ET Dveloppement on Mar 13, 2019. The application was filed on Jul 7, 2017 under application number EP17737265A. 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 |
|---|---|---|---|
| CARMEUSE RESEARCH AND TECHNOLOGY | Dec 12, 2019 | AWA BENELUX | ADMISSIBLE |
| FELS VERTRIEBS UND SERVICE | Dec 12, 2019 | MAIKOWSKI & NINNEMANN | ADMISSIBLE |
| FELS VERTRIEBS UND SERVICE | Dec 12, 2019 | MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3649248 |
| DESCRIPTION | US3771999 |
| DESCRIPTION | US5186742 |
| DESCRIPTION | WO2015007661 |
| INTERNATIONAL-SEARCH-REPORT | EP2199417 |
| INTERNATIONAL-SEARCH-REPORT | EP3042965 |
| INTERNATIONAL-SEARCH-REPORT | US3649248 |
| INTERNATIONAL-SEARCH-REPORT | US5186742 |
| INTERNATIONAL-SEARCH-REPORT | WO03012154 |
| INTERNATIONAL-SEARCH-REPORT | WO2015007661 |
| OPPOSITION | DE1955869 |
| OPPOSITION | JP2000248309 |
| OPPOSITION | JP2000256731 |
| OPPOSITION | JP2007169707 |
| OPPOSITION | JPH0598359 |
| OPPOSITION | KR101008694B |
| OPPOSITION | US1415094 |
| OPPOSITION | US2016115076 |
| OPPOSITION | US3519471 |
| OPPOSITION | US3645719 |
| OPPOSITION | US3649248 |
| OPPOSITION | US3721548 |
| OPPOSITION | US5186742 |
| OPPOSITION | WO2008046452 |
| OPPOSITION | WO2015007661 |
| OPPOSITION | WO2016110574 |
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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Jul 24, 2024
Refund of fees
Search/Exam
Jul 16, 2024
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(Electronic) Receipt
Appeal
Apr 3, 2024
General authorisation
Appeal
Apr 3, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 15, 2024
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Advice of delivery
Appeal
Oct 10, 2023
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Decision to grant a European patent
Search/Exam
Jan 28, 2019
(Electronic) Receipt
Search/Exam
Jan 28, 2019
English translation of the claims
Search/Exam
Jan 28, 2019
German translation of the claims
Search/Exam
Jan 28, 2019
Letter accompanying subsequently filed items
Search/Exam
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Notification of the recording of a change
Search/Exam
Nov 30, 2018
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Intention to grant (signatures)
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Nov 30, 2018
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Search/Exam
Nov 30, 2018
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(Electronic) Receipt
Search/Exam
Nov 19, 2018
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Submission concerning representation
Search/Exam
Oct 19, 2018
Examination started
Search/Exam
Jul 11, 2018
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Refund order of filing/examination fee
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Jun 5, 2018
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Notification of election of EPO
Search/Exam
May 18, 2018
Communication to designated inventor
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May 18, 2018
Communication to designated inventor
Search/Exam
May 17, 2018
May 15, 2018
Priority search results copy provided by EPO
Search/Exam
May 11, 2018
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(Electronic) Receipt
Search/Exam
May 4, 2018
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Amended claims with annotations
Search/Exam
May 4, 2018
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Amended description with annotations
Search/Exam
May 4, 2018
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Search/Exam
May 4, 2018
General authorisation
Search/Exam
May 4, 2018
PCT demand form
PCT2
May 4, 2018
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Request for entry into the European phase
Search/Exam
May 4, 2018
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Published international application - A9
Search/Exam
Feb 14, 2018
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Jan 30, 2018
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Copy of the international search report
Search/Exam
Jan 11, 2018
Copy of the international search report
Search/Exam
Jan 11, 2018
Published international application - A1
Search/Exam
Jan 9, 2018
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Sep 21, 2017
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Jul 7, 2017
Abstract
PCTRO
Jul 7, 2017
Claims
PCTRO
Jul 7, 2017
Description
PCTRO
Jul 7, 2017
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Drawings
PCTRO