Cellulosic Composite

Patent No. EP2467521 (titled "Cellulosic Composite") was filed by Johns Manville on Aug 6, 2010. The application was issued on Jan 23, 2019.

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	Oct 22, 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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May 31, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
May 31, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 26, 2021
Termination of the opposition proceedings with maintenance of patent
Feb 17, 2021
Advice of delivery
Feb 17, 2021
Advice of delivery
Feb 15, 2021
Annex to the communication - opposition
Feb 15, 2021
Decision of the Opposition Division and instruction
Feb 15, 2021
Decision rejecting the opposition
Feb 15, 2021
Grounds for the decision (Annex) - opposition
Feb 15, 2021
Internal form - Opposition/addressees
Feb 15, 2021
Internal form - Opposition/addressees
Feb 15, 2021
Means of redress
Feb 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 15, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 15, 2021
Provision of a copy of the minutes - opposition procedure
Feb 15, 2021
Transmittal of decision / summons - opposition
Feb 15, 2021
Transmittal of decision / summons - opposition
Jan 19, 2021
Information about the result of oral proceedings
Dec 23, 2020
Notification concerning the date of oral proceedings
Dec 23, 2020
Notification concerning the date of oral proceedings
Dec 18, 2020
Brief communication - Opposition proceedings
Dec 16, 2020
Annex to the communication - opposition
Dec 15, 2020
Oral proceedings: Request for postponement
Dec 10, 2020
(Electronic) Receipt
Dec 10, 2020
Letter accompanying subsequently filed items
Dec 1, 2020
Brief communication - Opposition proceedings
Nov 30, 2020
Notification concerning the date of oral proceedings
Nov 30, 2020
Notification concerning the date of oral proceedings
Nov 26, 2020
(Electronic) Receipt
Nov 26, 2020
Letter accompanying subsequently filed items
Nov 26, 2020
Written submission in preparation to/during oral proceedings
Nov 19, 2020
Brief communication - Opposition proceedings
Nov 19, 2020
Brief communication - Opposition proceedings
Nov 16, 2020
(Electronic) Receipt
Nov 16, 2020
Letter accompanying subsequently filed items
Nov 16, 2020
Written submission in preparation to/during oral proceedings
Nov 13, 2020
(Electronic) Receipt
Nov 13, 2020
(Electronic) Receipt
Nov 13, 2020
Letter accompanying subsequently filed items
Nov 13, 2020
Letter accompanying subsequently filed items
Nov 13, 2020
Written submission in preparation to/during oral proceedings
Nov 13, 2020
Written submission in preparation to/during oral proceedings
Aug 21, 2020
Brief communication - Opposition proceedings
Aug 18, 2020
(Electronic) Receipt
Aug 18, 2020
Letter accompanying subsequently filed items
Aug 18, 2020
Oral proceedings: reply to date proposed
Aug 10, 2020
Notification concerning the date of oral proceedings
Aug 10, 2020
Notification concerning the date of oral proceedings
Jun 16, 2020
Advice of delivery
Jun 10, 2020
Advice of delivery
Jun 9, 2020
Acknowledgement of a document
Jun 9, 2020
Acknowledgement of a document
Jun 9, 2020
Annex to the communication - opposition
Jun 9, 2020
Information concerning oral proceedings
Jun 9, 2020
Summons to attend oral proceedings
Jun 9, 2020
Summons to attend oral proceedings
Mar 10, 2020
Brief communication - Opposition proceedings
Mar 4, 2020
(Electronic) Receipt
Mar 4, 2020
Letter accompanying subsequently filed items
Mar 4, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 15, 2020
Brief communication - Opposition proceedings
Jan 14, 2020
Communication of amended entries concerning the representative
Dec 19, 2019
Submission concerning change of applicant's representative
Dec 19, 2019
Submission concerning change of applicant's representative
Nov 5, 2019
Communication of a notice of opposition and request to file observations
Nov 5, 2019
Notice of further oppositions to opponent(s)
Oct 25, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 22, 2019
(Electronic) Receipt
Oct 22, 2019
Any annexes (other than citation) to an opposition letter
Oct 22, 2019
Citation in opposition procedure - 001
Oct 22, 2019
Citation in opposition procedure - 002
Oct 22, 2019
Citation in opposition procedure - 003
Oct 22, 2019
Citation in opposition procedure - 004
Oct 22, 2019
Citation in opposition procedure - 005
Oct 22, 2019
Citation in opposition procedure - 006
Oct 22, 2019
Consolidated list of cited opposition documents
Oct 22, 2019
International publication (Pamphlet)
Oct 22, 2019
International publication (Pamphlet)
Oct 22, 2019
Notice of opposition
Oct 22, 2019
Notice of opposition
Feb 4, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 7, 2019
Decision to grant a European patent
Dec 11, 2018
Filing of the translations of the claims
Dec 11, 2018
French translation of claims
Dec 11, 2018
German translation of the claims
Dec 7, 2018
Filing of the translations of the claims
Dec 7, 2018
French translation of claims
Dec 7, 2018
German translation of the claims
Aug 1, 2018
Bibliographic data of the European patent application
Aug 1, 2018
Communication about intention to grant a European patent
Aug 1, 2018
Intention to grant (signatures)
Aug 1, 2018
Text intended for grant (clean copy)
Aug 1, 2018
Text intended for grant (version for approval)
Apr 25, 2018
Amended claims with annotations
Apr 25, 2018
Amended description with annotations
Apr 25, 2018
Claims
Apr 25, 2018
Description
Apr 25, 2018
Reply to communication from the Examining Division
Feb 26, 2018
Annex to the communication
Feb 26, 2018
Communication from the Examining Division
Jan 19, 2018
Claims
Jan 19, 2018
Claims
Jan 19, 2018
Claims
Jan 19, 2018
Reply to communication from the Examining Division
Dec 18, 2017
Grant of extension of time limit (examination procedure)
Dec 8, 2017
Request for extension of time limit to communication from the Examining Division
Aug 25, 2017
Annex to the communication
Aug 25, 2017
Communication from the Examining Division
Aug 16, 2017
Amended claims with annotations
Aug 16, 2017
Amended claims with annotations
Aug 16, 2017
Claims
Aug 16, 2017
Claims
Aug 16, 2017
Reply to communication from the Examining Division
Aug 14, 2017
Amended claims with annotations
Aug 14, 2017
Amended claims with annotations
Aug 14, 2017
Claims
Aug 14, 2017
Claims
Aug 14, 2017
Reply to communication from the Examining Division
Jun 22, 2017
Grant of extension of time limit (examination procedure)
Jun 20, 2017
Request for extension of time limit to communication from the Examining Division
Jun 16, 2017
Request for extension of time limit to communication from the Examining Division
Apr 4, 2017
Submission concerning representation
Apr 3, 2017
Submission concerning representation
Feb 8, 2017
Annex to the communication
Feb 8, 2017
Communication from the Examining Division
Aug 10, 2016
Claims
Aug 10, 2016
Reply to communication from the Examining Division
Apr 6, 2016
Annex to the communication
Apr 6, 2016
Communication from the Examining Division
Feb 24, 2015
Annex
Feb 24, 2015
Reply to communication from the Examining Division
Jan 7, 2015
Annex to the communication
Jan 7, 2015
Communication from the Examining Division
May 20, 2014
Claims
May 20, 2014
Reply to communication from the Examining Division
Jan 21, 2014
Annex to the communication
Jan 21, 2014
Communication from the Examining Division
Jan 20, 2014
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 13, 2014
Examination started
Sep 17, 2013
Submission concerning representation
Oct 11, 2012
Amended claims filed after receipt of (European) search report
Oct 11, 2012
Amended claims with annotations
Oct 11, 2012
Amendments received before examination
May 31, 2012
Notification on forthcoming publication of bibliographic data
Apr 18, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 15, 2012
Letter concerning fees and payments
Mar 6, 2012
Copy of the international preliminary report on patentability
Feb 14, 2012
Matter concerning the application
Feb 14, 2012
Request for entry into the European phase
Feb 13, 2012
Fax request to enter the European phase
Feb 13, 2012
Matter concerning the application
Dec 29, 2011
Information on entry into European phase
Nov 10, 2011
Republication of front page of international application with corrected bibliographic data
Oct 11, 2011
Priority document (electronically transmitted)
Feb 24, 2011
Copy of the international search report
Feb 24, 2011
Published international application - A1
Nov 23, 2010
Written opinion of the ISA, boxes No. I to VIII
Nov 23, 2010
Written opinion of the ISA, cover sheet
Nov 23, 2010
Written opinion of the ISA, supplemental box
Aug 23, 2010
Abstract
Aug 23, 2010
Claims
Aug 23, 2010
Description

EP2467521

JOHNS MANVILLE

Application Number: EP10745059A
Filing Date: Aug 6, 2010
Status: Opposition Rejected; May 28, 2021
Publication Date: Jan 23, 2019
External Links: Slate, Register , Google Patents

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Cellulosic Composite

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Dossier Documents

EP2467521