Aqueous Binder Composition For Mineral Fibres

Patent No. EP2408723 (titled "Aqueous Binder Composition For Mineral Fibres") was filed by Rockwool on Mar 19, 2010. The application was issued on Jan 14, 2026.

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
KNAUF INSULATION TECHNOLOGY	Feb 11, 2019	ARC
KNAUF INSULATION	Feb 11, 2019	ARC

Dossier Documents

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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Dec 18, 2025
Decision to maintain the European patent in amended form
Dec 18, 2025
Decision to maintain the European patent in amended form
Nov 25, 2025
(Electronic) Receipt
Nov 25, 2025
Filing of the translation of the amended claims
Nov 25, 2025
French translation of claims
Nov 25, 2025
German translation of the claims
Nov 25, 2025
Letter accompanying subsequently filed items
Nov 5, 2025
Communication of bibliographic data
Nov 5, 2025
Communication to opponent concerning maintenance
Nov 5, 2025
Communication with request to file translations
Oct 28, 2025
Maintenance of the patent with the documents specified in the final decision
Jul 18, 2025
Brief communication - Opposition proceedings
Jul 18, 2025
Brief communication - Opposition proceedings
Jul 18, 2025
Decision of the Opposition Division and instruction
Jul 18, 2025
Druckexemplar in opposition procedure
Jul 18, 2025
Grounds for the decision (Annex) - opposition
Jul 18, 2025
Interlocutory decision in opposition proceedings
Jul 18, 2025
Interlocutory decision in opposition proceedings
Jul 18, 2025
Means of redress
Feb 20, 2025
Brief communication - Opposition proceedings
Feb 20, 2025
Brief communication - Opposition proceedings
Feb 20, 2025
Communication inviting the parties to file observations
Feb 20, 2025
Communication inviting the parties to file observations
Dec 9, 2024
Brief communication - Opposition proceedings
Dec 4, 2024
(Electronic) Receipt
Dec 4, 2024
Amended description with annotations
Dec 4, 2024
Description
Dec 4, 2024
Letter accompanying subsequently filed items
Dec 4, 2024
Reply to an examination report in opposition proceedings
Aug 6, 2024
Annex to the communication - opposition
Aug 6, 2024
Brief communication - Opposition proceedings
Aug 6, 2024
Brief communication - Opposition proceedings
Aug 6, 2024
Communication inviting the parties to file observations
Aug 6, 2024
Communication inviting the parties to file observations
May 10, 2024
Brief communication - Opposition proceedings
May 3, 2024
(Electronic) Receipt
May 3, 2024
Amended description with annotations
May 3, 2024
Description
May 3, 2024
Letter accompanying subsequently filed items
May 3, 2024
Reply to an examination report in opposition proceedings
Jan 19, 2024
Annex to the communication - opposition
Jan 19, 2024
Brief communication - Opposition proceedings
Jan 19, 2024
Brief communication - Opposition proceedings
Jan 19, 2024
Communication inviting the parties to file observations
Jan 19, 2024
Communication inviting the parties to file observations
Nov 16, 2023
Advice of delivery
Nov 13, 2023
Communication about missing proof of delivery
Oct 9, 2023
Advice of delivery
Oct 5, 2023
Decision of the Board of Appeal
Oct 5, 2023
F3032 Notification(s) of the decision
Oct 5, 2023
F3032 Notification(s) of the decision
Jul 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Jul 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Jul 13, 2023
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Jun 20, 2023
(Electronic) Receipt
Jun 20, 2023
Letter accompanying subsequently filed items
Jun 20, 2023
Oral proceedings: reply to date proposed
Jun 16, 2023
Advice of delivery
Jun 16, 2023
Advice of delivery
Jun 14, 2023
Advice of delivery
Jun 14, 2023
Advice of delivery
Jun 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 13, 2023
Oral proceedings: change of venue
Jun 13, 2023
Oral proceedings: change of venue
Jun 9, 2023
F3345 Forwarding of submissions to parties
Jun 6, 2023
(Electronic) Receipt
Jun 6, 2023
Letter accompanying subsequently filed items
Jun 6, 2023
Letter dealing with oral proceedings during the appeal procedure
May 26, 2023
F3345 Forwarding of submissions to parties
May 23, 2023
(Electronic) Receipt
May 23, 2023
Letter accompanying subsequently filed items
May 23, 2023
Letter relating to Appeal Procedure
Apr 28, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 28, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 18, 2023
F3345 Forwarding of submissions to parties
Apr 13, 2023
(Electronic) Receipt
Apr 13, 2023
Letter accompanying subsequently filed items
Apr 13, 2023
Letter relating to Appeal Procedure
Mar 27, 2023
F3345 Forwarding of submissions to parties
Mar 24, 2023
Communication of amended entries concerning the representative
Mar 24, 2023
F3345 Forwarding of submissions to parties
Mar 22, 2023
(Electronic) Receipt
Mar 22, 2023
Letter accompanying subsequently filed items
Mar 22, 2023
Letter dealing with oral proceedings during the appeal procedure
Mar 20, 2023
Letter accompanying subsequently filed items
Mar 20, 2023
Submission concerning change of applicant's representative
Feb 20, 2023
Advice of delivery
Feb 15, 2023
F3011.1 Oral Proceedings: summons
Feb 15, 2023
F3011.1 Oral Proceedings: summons
Feb 10, 2023
F3303.16 Change of composition of the Board (T)
Nov 30, 2022
F3345 Forwarding of submissions to parties
Nov 29, 2022
Communication of the registration of a transfer or change of name and/or address
Oct 26, 2022
Annexes in respect of a client data request
Oct 26, 2022
Submission concerning change of applicant's name
Jun 10, 2022
F3345 Forwarding of submissions to parties
Jun 7, 2022
(Electronic) Receipt
Jun 7, 2022
Annexes filed during the Appeal procedure
Jun 7, 2022
Annexes filed during the Appeal procedure
Jun 7, 2022
Annexes filed during the Appeal procedure
Jun 7, 2022
Letter accompanying subsequently filed items
Jun 7, 2022
Reply to appeal
Apr 14, 2022
Composition of the board (T)
Feb 10, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 7, 2022
(Electronic) Receipt
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Amended claims with annotations
Feb 7, 2022
Auxiliary request during appeals procedure - 01
Feb 7, 2022
Auxiliary request during appeals procedure - 01
Feb 7, 2022
Letter accompanying subsequently filed items
Feb 7, 2022
Statement of grounds of appeal
Dec 13, 2021
F3204 Communication of the file number to the parties
Dec 13, 2021
F3204 Communication of the file number to the parties
Dec 7, 2021
(Electronic) Receipt
Dec 7, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Notice of appeal
Oct 4, 2021
Advice of delivery
Sep 29, 2021
Advice of delivery
Sep 28, 2021
Decision of the Opposition Division and instruction
Sep 28, 2021
Druckexemplar in opposition procedure
Sep 28, 2021
Grounds for the decision (Annex) - opposition
Sep 28, 2021
Interlocutory decision in opposition proceedings
Sep 28, 2021
Interlocutory decision in opposition proceedings
Sep 28, 2021
Means of redress
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Transmittal of decision / summons - opposition
Sep 28, 2021
Transmittal of decision / summons - opposition
Sep 24, 2021
Annex to the communication - opposition
Sep 24, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 24, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 24, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 24, 2021
Provision of a copy of the minutes - opposition procedure
Sep 24, 2021
Provision of a copy of the minutes - opposition procedure
Jun 29, 2021
Information about the result of oral proceedings
Jun 24, 2021
(Electronic) Receipt
Jun 24, 2021
Letter accompanying subsequently filed items
Jun 24, 2021
Written submission in preparation to/during oral proceedings
Jun 17, 2021
(Electronic) Receipt
Jun 17, 2021
Letter accompanying subsequently filed items
Jun 17, 2021
Written submission in preparation to/during oral proceedings
May 6, 2021
Brief communication - Opposition proceedings
May 6, 2021
Brief communication - Opposition proceedings
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
Letter accompanying subsequently filed items
Apr 29, 2021
Written submission in preparation to/during oral proceedings
Apr 28, 2021
(Electronic) Receipt
Apr 28, 2021
Letter accompanying subsequently filed items
Apr 26, 2021
(Electronic) Receipt
Apr 26, 2021
Citation in opposition procedure - 016
Apr 26, 2021
Citation in opposition procedure - 017
Apr 26, 2021
Citation in opposition procedure - 018
Apr 26, 2021
Consolidated list of cited opposition documents
Apr 26, 2021
Letter accompanying subsequently filed items
Apr 26, 2021
Written submission in preparation to/during oral proceedings
Apr 6, 2021
(Electronic) Receipt
Apr 6, 2021
Letter accompanying subsequently filed items
Mar 9, 2021
Notification concerning the date of oral proceedings
Mar 9, 2021
Notification concerning the date of oral proceedings
Oct 14, 2020
Advice of delivery
Oct 13, 2020
Advice of delivery
Oct 9, 2020
Acknowledgement of a document
Oct 9, 2020
Acknowledgement of a document
Oct 9, 2020
Annex to the communication - opposition
Oct 9, 2020
Summons to attend oral proceedings
Oct 9, 2020
Summons to attend oral proceedings
Sep 21, 2020
Brief communication - Opposition proceedings
Sep 21, 2020
Brief communication - Opposition proceedings
Sep 11, 2020
Notification concerning the date of oral proceedings
Sep 11, 2020
Notification concerning the date of oral proceedings
Sep 9, 2020
Brief communication - Opposition proceedings
Aug 31, 2020
(Electronic) Receipt
Aug 31, 2020
Letter accompanying subsequently filed items
Aug 31, 2020
Oral proceedings: reply to date proposed
Aug 25, 2020
Brief communication - Opposition proceedings
Aug 18, 2020
(Electronic) Receipt
Aug 18, 2020
Letter accompanying subsequently filed items
Aug 18, 2020
Written submission in preparation to/during oral proceedings
Aug 11, 2020
(Electronic) Receipt
Aug 11, 2020
Letter accompanying subsequently filed items
Aug 11, 2020
Oral proceedings: reply to date proposed
Jul 22, 2020
Notification concerning the date of oral proceedings
Jul 22, 2020
Notification concerning the date of oral proceedings
Jun 29, 2020
Advice of delivery
Jun 29, 2020
Advice of delivery
Jun 22, 2020
Acknowledgement of a document
Jun 22, 2020
Acknowledgement of a document
Jun 22, 2020
Annex to the communication - opposition
Jun 22, 2020
Summons to attend oral proceedings
Jun 22, 2020
Summons to attend oral proceedings
Jun 10, 2020
Oral proceedings: reply to date proposed
Jun 10, 2020
Oral proceedings: reply to date proposed
Jun 5, 2020
Advice of delivery
May 29, 2020
Brief communication - Opposition proceedings
May 22, 2020
(Electronic) Receipt
May 22, 2020
Letter accompanying subsequently filed items
May 22, 2020
Request for interpreters during oral proceedings
May 20, 2020
Brief communication - Opposition proceedings
May 14, 2020
(Electronic) Receipt
May 14, 2020
Letter accompanying subsequently filed items
May 14, 2020
Oral proceedings: Request for postponement
May 14, 2020
Oral proceedings: reply to date proposed
May 14, 2020
Oral proceedings: reply to date proposed
May 6, 2020
Brief communication - Opposition proceedings
Apr 23, 2020
(Electronic) Receipt
Apr 23, 2020
Auxiliary request during Opposition procedure
Apr 23, 2020
Auxiliary request during Opposition procedure
Apr 23, 2020
Auxiliary request during Opposition procedure
Apr 23, 2020
Auxiliary request during Opposition procedure
Apr 23, 2020
Auxiliary request during Opposition procedure
Apr 23, 2020
Auxiliary request during Opposition procedure
Apr 23, 2020
Auxiliary request during Opposition procedure - 01
Apr 23, 2020
Auxiliary request during Opposition procedure - 02
Apr 23, 2020
Auxiliary request during Opposition procedure - 03
Apr 23, 2020
Auxiliary request during Opposition procedure - 04
Apr 23, 2020
Auxiliary request during Opposition procedure - 05
Apr 23, 2020
Auxiliary request during Opposition procedure - 06
Apr 23, 2020
Citation in opposition procedure
Apr 23, 2020
Letter accompanying subsequently filed items
Apr 23, 2020
Written submission in preparation to/during oral proceedings
Apr 21, 2020
Brief communication - Opposition proceedings
Apr 14, 2020
(Electronic) Receipt
Apr 14, 2020
Citation in opposition procedure
Apr 14, 2020
Letter accompanying subsequently filed items
Apr 14, 2020
Letter regarding the opposition procedure (no time limit)
Apr 14, 2020
Written submission in preparation to/during oral proceedings
Dec 13, 2019
Advice of delivery
Dec 11, 2019
Advice of delivery
Nov 27, 2019
Acknowledgement of a document
Nov 27, 2019
Acknowledgement of a document
Nov 27, 2019
Advice of delivery
Nov 27, 2019
Summons to attend oral proceedings
Nov 27, 2019
Summons to attend oral proceedings
Nov 25, 2019
Notification concerning the date of oral proceedings
Nov 25, 2019
Notification concerning the date of oral proceedings
Nov 18, 2019
Brief communication - Opposition proceedings
Nov 13, 2019
(Electronic) Receipt
Nov 13, 2019
Any annexes (other than citation) to an opposition letter
Nov 13, 2019
Any annexes (other than citation) to an opposition letter
Nov 13, 2019
Letter accompanying subsequently filed items
Nov 13, 2019
Oral proceedings: Request for postponement
Nov 5, 2019
Advice of delivery
Oct 29, 2019
Advice of delivery
Sep 30, 2019
Advice of delivery
Sep 25, 2019
Acknowledgement of a document
Sep 25, 2019
Acknowledgement of a document
Sep 25, 2019
Annex to the communication - opposition
Sep 25, 2019
Information concerning oral proceedings
Sep 25, 2019
Summons to attend oral proceedings
Sep 25, 2019
Summons to attend oral proceedings
Jul 2, 2019
Brief communication - Opposition proceedings
Jun 26, 2019
(Electronic) Receipt
Jun 26, 2019
Any annexes (other than citation) to an opposition letter
Jun 26, 2019
Letter accompanying subsequently filed items
Jun 26, 2019
Reply of the patent proprietor to the notice(s) of opposition
Feb 25, 2019
Communication of a notice of opposition and request to file observations
Feb 25, 2019
Notice of further oppositions to opponent(s)
Feb 20, 2019
Communication of a notice of opposition - first information to patent proprietor
Feb 11, 2019
(Electronic) Receipt
Feb 11, 2019
Citation in opposition procedure - 001
Feb 11, 2019
Citation in opposition procedure - 002
Feb 11, 2019
Citation in opposition procedure - 003
Feb 11, 2019
Citation in opposition procedure - 004
Feb 11, 2019
Citation in opposition procedure - 005
Feb 11, 2019
Citation in opposition procedure - 006
Feb 11, 2019
Citation in opposition procedure - 007
Feb 11, 2019
Citation in opposition procedure - 008
Feb 11, 2019
Citation in opposition procedure - 009
Feb 11, 2019
Citation in opposition procedure - 010
Feb 11, 2019
Citation in opposition procedure - 011
Feb 11, 2019
Citation in opposition procedure - 012
Feb 11, 2019
Citation in opposition procedure - 013
Feb 11, 2019
Citation in opposition procedure - 014
Feb 11, 2019
Citation in opposition procedure - 015
Feb 11, 2019
Notice of opposition
Feb 11, 2019
Notice of opposition
May 22, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 12, 2018
Decision to grant a European patent
Mar 14, 2018
(Electronic) Receipt
Mar 14, 2018
Filing of the translations of the claims
Mar 14, 2018
French translation of claims
Mar 14, 2018
German translation of the claims
Mar 14, 2018
Letter accompanying subsequently filed items
Dec 1, 2017
Bibliographic data of the European patent application
Dec 1, 2017
Communication about intention to grant a European patent
Dec 1, 2017
Intention to grant (signatures)
Dec 1, 2017
Text intended for grant (clean copy)
Dec 1, 2017
Text intended for grant (version for approval)
Jun 10, 2016
Submission concerning representation
Jun 10, 2016
Submission concerning representation
Jan 18, 2016
Communication of amended entries concerning the representative
Aug 5, 2015
(Electronic) Receipt
Aug 5, 2015
Amended claims with annotations
Aug 5, 2015
Amended description with annotations
Aug 5, 2015
Claims
Aug 5, 2015
Description
Aug 5, 2015
Letter accompanying subsequently filed items
Aug 5, 2015
Reply to communication from the Examining Division
Jun 12, 2015
Grant of extension of time limit (examination procedure)
Jun 5, 2015
(Electronic) Receipt
Jun 5, 2015
Letter accompanying subsequently filed items
Jun 5, 2015
Request for extension of time limit to communication from the Examining Division
Jan 26, 2015
Annex to the communication
Jan 26, 2015
Communication from the Examining Division
Feb 17, 2014
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 12, 2014
Submission concerning representation
Nov 14, 2013
Amended claims with annotations
Nov 14, 2013
Claims
Nov 14, 2013
Description
Nov 14, 2013
Reply to communication from the Examining Division
Aug 1, 2013
Communication of amended entries concerning the representative
Jul 24, 2013
Submission concerning change of applicant's representative
Jul 5, 2013
Annex to the communication
Jul 5, 2013
Communication from the Examining Division
Mar 20, 2013
CDS Clean up - amended data concerning the representative for the applicant
Mar 14, 2013
Submission concerning change of applicant's representative
Mar 13, 2012
Amended claims filed after receipt of (European) search report
Mar 13, 2012
Amended description filed after receipt of (European) search report
Mar 13, 2012
Amendments received before examination
Dec 29, 2011
Notification on forthcoming publication of bibliographic data
Oct 5, 2011
Copy of the international preliminary report on patentability
Sep 29, 2011
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Sep 9, 2011
(Electronic) Receipt
Sep 9, 2011
Request for entry into the European phase
Jul 27, 2011
Information on entry into European phase
Jul 13, 2011
Notification of the recording of a change
Jul 13, 2011
Notification of the recording of a change
Oct 13, 2010
Priority document (electronically transmitted)
Oct 13, 2010
Priority document (electronically transmitted)
Sep 23, 2010
Copy of the international search report
Sep 23, 2010
Published international application - A1
May 25, 2010
Written opinion of the ISA, boxes No. I to VIII
May 25, 2010
Written opinion of the ISA, cover sheet
May 25, 2010
Written opinion of the ISA, supplemental box
Mar 19, 2010
(Electronic) Receipt
Mar 19, 2010
Abstract
Mar 19, 2010
Claims
Mar 19, 2010
Description
Mar 19, 2010
Drawings
Mar 19, 2010
Priority document (RO-procedure)

EP2408723

ROCKWOOL

Application Number: EP10709547A
Filing Date: Mar 19, 2010
Status: Patent Maintained As Amended; Dec 12, 2025
Publication Date: Jan 14, 2026
External Links: Slate, Register , Google Patents

IP Verse

Aqueous Binder Composition For Mineral Fibres

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2408723