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The patent EP3523262 was granted to Etex Services on Jun 16, 2021. The application was filed on Oct 5, 2017 under application number EP17777298A. 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 |
|---|---|---|---|
| JAMES HARDIE TECHNOLOGY | Mar 16, 2022 | LENNEY | ADMISSIBLE |
| SWISSPEARL DANMARK HOLDING | Mar 9, 2022 | GUARDIAN CONSULTING IS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2008072796 |
| DESCRIPTION | US2008168927 |
| INTERNATIONAL-SEARCH-REPORT | JP2003063850 |
| INTERNATIONAL-SEARCH-REPORT | JP2004217482 |
| INTERNATIONAL-SEARCH-REPORT | US2008072796 |
| INTERNATIONAL-SEARCH-REPORT | US4406703 |
| INTERNATIONAL-SEARCH-REPORT | WO2012084677 |
| OPPOSITION | EP2275391 |
| OPPOSITION | JP2003063850 |
| OPPOSITION | JP2004217482 |
| OPPOSITION | JPH09193117 |
| OPPOSITION | US2006288909 |
| OPPOSITION | US2008072796 |
| OPPOSITION | WO2004031093 |
| OPPOSITION | WO2007128679 |
| OPPOSITION | WO2011006709 |
| OPPOSITION | WO2012084677 |
| OPPOSITION | WO9833632 |
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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Jan 5, 2026
Jan 5, 2026
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Dec 18, 2025
Oct 31, 2025
Oct 31, 2025
Oct 27, 2025
(Electronic) Receipt
Appeal
Oct 27, 2025
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Reply to appeal
Appeal
Jun 27, 2025
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Refund of fees
Appeal
Apr 25, 2025
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Apr 17, 2025
(Electronic) Receipt
Appeal
Apr 17, 2025
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Withdrawal of an appeal
Appeal
Apr 15, 2025
(Electronic) Receipt
Appeal
Apr 15, 2025
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(Electronic) Receipt
Appeal
Feb 20, 2025
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Notice of appeal
Appeal
Feb 18, 2025
(Electronic) Receipt
Appeal
Feb 18, 2025
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Notice of appeal
Appeal
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OPPO
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Jun 29, 2021
May 20, 2021
Decision to grant a European patent
Search/Exam
May 11, 2021
(Electronic) Receipt
Search/Exam
May 11, 2021
Filing of the translations of the claims
Search/Exam
May 11, 2021
French translation of claims
Search/Exam
May 11, 2021
German translation of the claims
Search/Exam
May 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
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Intention to grant (signatures)
Search/Exam
Jan 13, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 13, 2021
Dec 1, 2020
(Electronic) Receipt
Search/Exam
Dec 1, 2020
Amended claims with annotations
Search/Exam
Dec 1, 2020
Amended description with annotations
Search/Exam
Dec 1, 2020
Claims
Search/Exam
Dec 1, 2020
Description
Search/Exam
Dec 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2020
Aug 3, 2020
Annex to the communication
Search/Exam
Aug 3, 2020
Communication from the Examining Division
Search/Exam
Jul 27, 2020
Examination started
Search/Exam
Nov 14, 2019
(Electronic) Receipt
Search/Exam
Nov 14, 2019
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Amended claims with annotations
Search/Exam
Nov 14, 2019
Amendments received before examination
Search/Exam
Nov 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2019
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Communication to designated inventor
Search/Exam
May 7, 2019
Priority search results copy provided by EPO
Search/Exam
Apr 29, 2019
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(Electronic) Receipt
Search/Exam
Apr 8, 2019
Request for entry into the European phase
Search/Exam
Feb 15, 2019
Information on entry into European phase
Search/Exam
Apr 30, 2018
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Copy of the international search report
Search/Exam
Apr 12, 2018
Published international application - A1
Search/Exam
Dec 20, 2017
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Oct 5, 2017
(Electronic) Receipt
PCTRO
Oct 5, 2017
Abstract
PCTRO
Oct 5, 2017
Claims
PCTRO
Oct 5, 2017
Description
PCTRO
Oct 5, 2017
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Drawings
PCTRO
Oct 5, 2017
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