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The patent EP3303251 was granted to Etex Building Performance on Apr 8, 2020. The application was filed on May 18, 2016 under application number EP16725075A. 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 |
|---|---|---|---|
| SAINT GOBAIN | Jan 7, 2021 | MURGITROYD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | GB1226333 |
| INTERNATIONAL-SEARCH-REPORT | CA2842221 |
| INTERNATIONAL-SEARCH-REPORT | GB1481788 |
| INTERNATIONAL-SEARCH-REPORT | US2011195241 |
| INTERNATIONAL-SEARCH-REPORT | US2012305162 |
| INTERNATIONAL-SEARCH-REPORT | US2014069301 |
| INTERNATIONAL-SEARCH-REPORT | WO2004052802 |
| INTERNATIONAL-SEARCH-REPORT | WO2013184376 |
| OPPOSITION | CA2842221 |
| OPPOSITION | GB1226333 |
| OPPOSITION | GB1481788 |
| OPPOSITION | US2006048680 |
| OPPOSITION | US2011195241 |
| OPPOSITION | US2012305162 |
| OPPOSITION | US2014069301 |
| OPPOSITION | US2015376063 |
| OPPOSITION | WO2005060628 |
| OPPOSITION | WO2013184376 |
| OPPOSITION | WO2015170421 |
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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Apr 15, 2024
Refund of fees
Search/Exam
Apr 11, 2024
Apr 11, 2024
Apr 11, 2024
Apr 11, 2024
Apr 8, 2024
Apr 4, 2024
(Electronic) Receipt
Appeal
Apr 4, 2024
Apr 4, 2024
Withdrawal of an appeal
Appeal
Mar 15, 2024
Mar 15, 2024
Oct 19, 2023
Oct 19, 2023
Oct 17, 2023
Oct 13, 2023
Oct 11, 2023
(Electronic) Receipt
Appeal
Oct 11, 2023
Oct 11, 2023
Oct 10, 2023
(Electronic) Receipt
Appeal
Oct 10, 2023
Oct 10, 2023
Sep 18, 2023
Sep 18, 2023
Sep 13, 2023
Dec 16, 2022
Dec 12, 2022
(Electronic) Receipt
Appeal
Dec 12, 2022
Dec 12, 2022
Reply to appeal
Appeal
Aug 12, 2022
Aug 11, 2022
Aug 9, 2022
(Electronic) Receipt
Appeal
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Jun 3, 2022
Jun 3, 2022
May 30, 2022
(Electronic) Receipt
Appeal
May 30, 2022
May 30, 2022
Notice of appeal
Appeal
Apr 19, 2022
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Apr 1, 2022
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Means of redress
OPPO
Apr 1, 2022
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Aug 20, 2020
Aug 17, 2020
Apr 21, 2020
Mar 12, 2020
Decision to grant a European patent
Search/Exam
Feb 13, 2020
Feb 3, 2020
(Electronic) Receipt
Search/Exam
Feb 3, 2020
Filing of the translations of the claims
Search/Exam
Feb 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2020
Jan 2, 2020
Dec 17, 2019
Observations by third parties
Search/Exam
Oct 31, 2019
Oct 31, 2019
Oct 31, 2019
Intention to grant (signatures)
Search/Exam
Oct 31, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 31, 2019
Oct 3, 2019
(Electronic) Receipt
Search/Exam
Oct 3, 2019
Claims
Search/Exam
Oct 3, 2019
Description
Search/Exam
Oct 3, 2019
French translation of claims
Search/Exam
Oct 3, 2019
German translation of the claims
Search/Exam
Oct 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 3, 2019
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
Intention to grant (signatures)
Search/Exam
Jun 4, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2019
Apr 24, 2019
(Electronic) Receipt
Search/Exam
Apr 24, 2019
Amended claims with annotations
Search/Exam
Apr 24, 2019
Claims
Search/Exam
Apr 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2019
Jan 4, 2019
Annex to the communication
Search/Exam
Jan 4, 2019
Communication from the Examining Division
Search/Exam
Dec 14, 2018
Examination started
Search/Exam
Jun 29, 2018
Jun 20, 2018
Mar 14, 2018
Jan 8, 2018
Jan 5, 2018
Communication to designated inventor
Search/Exam
Jan 5, 2018
Communication to designated inventor
Search/Exam
Dec 26, 2017
Priority search results copy provided by EPO
Search/Exam
Dec 18, 2017
Dec 12, 2017
Nov 30, 2017
Nov 29, 2017
(Electronic) Receipt
Search/Exam
Nov 29, 2017
Request for entry into the European phase
Search/Exam
Nov 28, 2017
Citation filed by a third party
Search/Exam
Nov 28, 2017
Citation filed by a third party
Search/Exam
Nov 28, 2017
Citation filed by a third party
Search/Exam
Nov 28, 2017
Citation filed by a third party
Search/Exam
Nov 28, 2017
Citation filed by a third party
Search/Exam
Nov 28, 2017
Citation filed by a third party
Search/Exam
Nov 28, 2017
Citation filed by a third party
Search/Exam
Nov 28, 2017
Observations by third parties
Search/Exam
Nov 28, 2017
Observations by third parties
Search/Exam
Nov 28, 2017
Observations by third parties
Search/Exam
Nov 28, 2017
Observations by third parties
Search/Exam
Oct 6, 2017
Information on entry into European phase
Search/Exam
Mar 29, 2017
Mar 29, 2017
Notification of the recording of a change
Search/Exam
Dec 19, 2016
Dec 19, 2016
Dec 1, 2016
Copy of the international search report
Search/Exam
Dec 1, 2016
Published international application - A1
Search/Exam
Aug 30, 2016
Jun 27, 2016
ISR: cited documents
PCTISA
Jun 23, 2016
Jun 23, 2016
Jun 23, 2016
Jun 9, 2016
May 30, 2016
May 24, 2016
May 24, 2016
May 24, 2016
May 24, 2016
May 18, 2016
(Electronic) Receipt
PCTRO
May 18, 2016
Abstract
PCTRO
May 18, 2016
Claims
PCTRO
May 18, 2016
Description
PCTRO
May 18, 2016