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The patent EP2858964 was granted to Etex Building Performance on Jul 20, 2022. The application was filed on Jun 5, 2013 under application number EP13727147A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| KNAUF INSULATION | May 7, 2020 | DOMPATENT VON KREISLER SELTING WERNER | ADMISSIBLE |
| KNAUF INSULATION | May 7, 2020 | DOMPATENT VON PATENT UND RECHTSANWALTEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1547984 |
| DESCRIPTION | EP2025652 |
| DESCRIPTION | GB1233436 |
| DESCRIPTION | US1713879 |
| DESCRIPTION | US2008135072 |
| DESCRIPTION | US2008148998 |
| DESCRIPTION | US3415910 |
| DESCRIPTION | US4360386 |
| DESCRIPTION | WO2008115929 |
| EXAMINATION | WO8203379 |
| INTERNATIONAL-SEARCH-REPORT | EP1547984 |
| INTERNATIONAL-SEARCH-REPORT | GB1233436 |
| INTERNATIONAL-SEARCH-REPORT | US3723146 |
| OPPOSITION | DE2023853 |
| OPPOSITION | EP0344430 |
| OPPOSITION | US2212811 |
| OPPOSITION | US2412156 |
| OPPOSITION | US4252568 |
| OPPOSITION | WO2009124993 |
| OPPOSITION | WO2013182587 |
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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OPPO
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Authorisation
OPPO
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Aug 19, 2019
Jul 11, 2019
Decision to grant a European patent
Search/Exam
Jun 17, 2019
(Electronic) Receipt
Search/Exam
Jun 17, 2019
Filing of the translations of the claims
Search/Exam
Jun 17, 2019
French translation of claims
Search/Exam
Jun 17, 2019
German translation of the claims
Search/Exam
Jun 17, 2019
Letter accompanying subsequently filed items
Search/Exam
May 21, 2019
May 16, 2019
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(Electronic) Receipt
Search/Exam
May 8, 2019
Letter accompanying subsequently filed items
Search/Exam
May 8, 2019
Matter concerning the application
Search/Exam
Feb 21, 2019
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Intention to grant (signatures)
Search/Exam
Feb 21, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 21, 2019
Sep 27, 2018
(Electronic) Receipt
Search/Exam
Sep 27, 2018
Amended claims with annotations
Search/Exam
Sep 27, 2018
Amended description with annotations
Search/Exam
Sep 27, 2018
Claims
Search/Exam
Sep 27, 2018
Description
Search/Exam
Sep 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2018
Jun 29, 2018
Jun 25, 2018
Annex to the communication
Search/Exam
Jun 25, 2018
Communication from the Examining Division
Search/Exam
Jun 20, 2018
Jun 18, 2018
Examination started
Search/Exam
Mar 15, 2018
Feb 7, 2017
Submission concerning representation
Search/Exam
Jan 24, 2017
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Dec 1, 2016
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(Electronic) Receipt
Search/Exam
Nov 2, 2016
Annexes in respect of a client data request
Search/Exam
Nov 2, 2016
Annexes in respect of a client data request
Search/Exam
Nov 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2016
Apr 25, 2016
(Electronic) Receipt
Search/Exam
Apr 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 25, 2016
Jul 16, 2015
(Electronic) Receipt
Search/Exam
Jul 16, 2015
Jul 16, 2015
Amended claims with annotations
Search/Exam
Jul 16, 2015
Amendments received before examination
Search/Exam
Jul 16, 2015
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2015
Jan 23, 2015
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Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 17, 2015
Priority search results copy provided by EPO
Search/Exam
Dec 22, 2014
Nov 25, 2014
(Electronic) Receipt
Search/Exam
Nov 25, 2014
Nov 25, 2014
Amendments received before examination
Search/Exam
Nov 25, 2014
Request for entry into the European phase
Search/Exam
Nov 11, 2014
Nov 11, 2014
Notification of the recording of a change
Search/Exam
Oct 17, 2014
Information on entry into European phase
Search/Exam
Jan 2, 2014
Dec 12, 2013
Copy of the international search report
Search/Exam
Dec 12, 2013
Published international application - A1
Search/Exam
Sep 19, 2013
Sep 19, 2013
Sep 19, 2013
Jun 5, 2013
(Electronic) Receipt
PCTRO
Jun 5, 2013
Abstract
PCTRO
Jun 5, 2013
Claims
PCTRO
Jun 5, 2013
Description
PCTRO
Jun 5, 2013
Drawings
PCTRO
Jun 5, 2013