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The patent EP2885116 was granted to Knauf Insulation on May 22, 2024. The application was filed on Aug 17, 2013 under application number EP13750697A. 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 |
|---|---|---|---|
| BASF | Jul 6, 2020 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2223941 |
| INTERNATIONAL-SEARCH-REPORT | EP2253663 |
| INTERNATIONAL-SEARCH-REPORT | US2007158022 |
| INTERNATIONAL-SEARCH-REPORT | US2007298274 |
| INTERNATIONAL-SEARCH-REPORT | US2011135907 |
| INTERNATIONAL-SEARCH-REPORT | WO2011138458 |
| INTERNATIONAL-SEARCH-REPORT | WO2011138459 |
| OPPOSITION | US2011263757 |
| OPPOSITION | WO2008089847 |
| OPPOSITION | WO2008127936 |
| OPPOSITION | WO2011022224 |
| OPPOSITION | WO2011138458 |
| OPPOSITION | WO2013150123 |
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 25, 2024
Apr 25, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 2, 2024
Jan 29, 2024
Advice of delivery
Appeal
Jan 29, 2024
Refund of fees
Appeal
Jan 29, 2024
Refund of fees
Appeal
Jan 25, 2024
Jan 25, 2024
Jan 25, 2024
Jan 25, 2024
Jan 22, 2024
(Electronic) Receipt
Appeal
Jan 22, 2024
Jan 22, 2024
Jan 22, 2024
Withdrawal of an appeal
Appeal
Jan 19, 2024
(Electronic) Receipt
Appeal
Jan 19, 2024
Jan 19, 2024
Withdrawal of an appeal
Appeal
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Dec 19, 2023
(Electronic) Receipt
Appeal
Dec 19, 2023
(Electronic) Receipt
Appeal
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 1, 2023
(Electronic) Receipt
Appeal
Dec 1, 2023
Advice of delivery
Appeal
Dec 1, 2023
Nov 29, 2023
Nov 29, 2023
Nov 29, 2023
Nov 24, 2023
(Electronic) Receipt
Appeal
Nov 24, 2023
Nov 24, 2023
Nov 23, 2023
Nov 20, 2023
(Electronic) Receipt
Appeal
Nov 20, 2023
Nov 20, 2023
Nov 9, 2023
Advice of delivery
Appeal
Nov 7, 2023
Nov 7, 2023
Nov 2, 2023
Nov 2, 2023
Jul 17, 2023
Jul 12, 2023
(Electronic) Receipt
Appeal
Jul 12, 2023
Jul 12, 2023
May 11, 2023
May 8, 2023
(Electronic) Receipt
Appeal
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
Feb 20, 2023
Feb 14, 2023
(Electronic) Receipt
Appeal
Feb 14, 2023
Feb 14, 2023
Dec 21, 2022
Dec 16, 2022
Dec 15, 2022
(Electronic) Receipt
Appeal
Dec 15, 2022
Dec 15, 2022
Reply to appeal
Appeal
Dec 13, 2022
(Electronic) Receipt
Appeal
Dec 13, 2022
Dec 13, 2022
Reply to appeal
Appeal
Aug 11, 2022
Aug 11, 2022
Aug 8, 2022
(Electronic) Receipt
Appeal
Aug 8, 2022
Aug 8, 2022
Aug 8, 2022
Jul 25, 2022
(Electronic) Receipt
Appeal
Jul 25, 2022
Jul 25, 2022
Jun 7, 2022
Jun 7, 2022
Jun 1, 2022
(Electronic) Receipt
Appeal
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Notice of appeal
Appeal
May 27, 2022
(Electronic) Receipt
Appeal
May 27, 2022
May 27, 2022
Notice of appeal
Appeal
May 9, 2022
Mar 31, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
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Mar 29, 2022
Means of redress
OPPO
Mar 29, 2022
Mar 29, 2022
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Mar 29, 2022
Mar 18, 2022
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Complaint
OPPO
Dec 9, 2021
Dec 9, 2021
Dec 6, 2021
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Oct 21, 2019
Sep 12, 2019
Decision to grant a European patent
Search/Exam
Aug 27, 2019
(Electronic) Receipt
Search/Exam
Aug 27, 2019
Filing of the translations of the claims
Search/Exam
Aug 27, 2019
French translation of claims
Search/Exam
Aug 27, 2019
German translation of the claims
Search/Exam
Aug 27, 2019
Letter accompanying subsequently filed items
Search/Exam
May 15, 2019
May 15, 2019
May 15, 2019
Intention to grant (signatures)
Search/Exam
May 15, 2019
Text intended for grant (clean copy)
Search/Exam
May 15, 2019
May 14, 2019
May 7, 2019
Apr 15, 2019
Advice of delivery
Search/Exam
Apr 12, 2019
(Electronic) Receipt
Search/Exam
Apr 12, 2019
Amended claims with annotations
Search/Exam
Apr 12, 2019
Amended claims with annotations
Search/Exam
Apr 12, 2019
Claims
Search/Exam
Apr 12, 2019
Claims
Search/Exam
Apr 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2019
Apr 8, 2019
Advice of delivery
Search/Exam
Apr 3, 2019
Acknowledgement of a document
Search/Exam
Apr 3, 2019
Annex to the communication
Search/Exam
Apr 3, 2019
Summons to attend oral proceedings
Search/Exam
Nov 13, 2018
(Electronic) Receipt
Search/Exam
Nov 13, 2018
Amended claims with annotations
Search/Exam
Nov 13, 2018
Claims
Search/Exam
Nov 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2018
Aug 16, 2018
Aug 8, 2018
(Electronic) Receipt
Search/Exam
Aug 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2018
May 4, 2018
Annex to the communication
Search/Exam
May 4, 2018
Communication from the Examining Division
Search/Exam
Dec 19, 2017
(Electronic) Receipt
Search/Exam
Dec 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2017
Oct 9, 2017
Oct 3, 2017
(Electronic) Receipt
Search/Exam
Oct 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 3, 2017
Aug 23, 2017
Aug 18, 2017
Jun 9, 2017
Annex to the communication
Search/Exam
Jun 9, 2017
Communication from the Examining Division
Search/Exam
Sep 5, 2016
(Electronic) Receipt
Search/Exam
Sep 5, 2016
Amended description with annotations
Search/Exam
Sep 5, 2016
Description
Search/Exam
Sep 5, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 5, 2016
Jun 27, 2016
Jun 22, 2016
(Electronic) Receipt
Search/Exam
Jun 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2016
Feb 24, 2016
Annex to the communication
Search/Exam
Feb 24, 2016
Communication from the Examining Division
Search/Exam
May 28, 2015
Mar 27, 2015
Mar 25, 2015
Communication to designated inventor
Search/Exam
Mar 25, 2015
Communication to designated inventor
Search/Exam
Mar 5, 2015
Feb 16, 2015
(Electronic) Receipt
Search/Exam
Feb 16, 2015
Feb 16, 2015
Amended claims with annotations
Search/Exam
Feb 16, 2015
Request for entry into the European phase
Search/Exam
Feb 10, 2015
Feb 10, 2015
Feb 10, 2015
Feb 10, 2015
Notification of the recording of a change
Search/Exam
Feb 10, 2015
Notification of the recording of a change
Search/Exam
Feb 10, 2015
Notification of the recording of a change
Search/Exam
Jan 5, 2015
Information on entry into European phase
Search/Exam
Mar 11, 2014
Feb 20, 2014
Copy of the international search report
Search/Exam
Feb 20, 2014
Published international application - A1
Search/Exam
Sep 24, 2013
Sep 24, 2013
Sep 24, 2013
Aug 17, 2013
(Electronic) Receipt
PCTRO
Aug 17, 2013
Abstract
PCTRO
Aug 17, 2013
Claims
PCTRO
Aug 17, 2013
Description
PCTRO
Aug 17, 2013
Drawings
PCTRO