Improved Performance Polymeric Fiber Webs

Patent No. EP2467520 (titled "Improved Performance Polymeric Fiber Webs") was filed by Johns Manville on Aug 6, 2010. The application was issued on Feb 24, 2021.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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	Jul 7, 2015	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

Jan 28, 2021
Decision to maintain the European patent in amended form
Jan 28, 2021
Decision to maintain the European patent in amended form
Jan 22, 2021
Termination of the opposition proceedings with maintenance of patent
Dec 22, 2020
(Electronic) Receipt
Dec 22, 2020
Filing of the translation of the amended claims
Dec 22, 2020
French translation of claims
Dec 22, 2020
German translation of the claims
Dec 22, 2020
Letter accompanying subsequently filed items
Sep 25, 2020
Communication to opponent concerning maintenance
Sep 25, 2020
Communication with request to file translations
Sep 18, 2020
Maintenance of the patent with the documents specified in the final decision
Jun 4, 2020
Advice of delivery
Jun 4, 2020
Advice of delivery
Jun 2, 2020
Acknowledgement of a document
Jun 2, 2020
Acknowledgement of a document
Jun 2, 2020
Decision of the Opposition Division and instruction
Jun 2, 2020
Druckexemplar in opposition procedure
Jun 2, 2020
Grounds for the decision (Annex) - opposition
Jun 2, 2020
Interlocutory decision in opposition proceedings
Jun 2, 2020
Internal form - Opposition/addressees
Jun 2, 2020
Means of redress
Apr 21, 2020
Brief communication - Opposition proceedings
Apr 15, 2020
(Electronic) Receipt
Apr 15, 2020
Amended description with annotations
Apr 15, 2020
Description
Apr 15, 2020
Letter accompanying subsequently filed items
Apr 15, 2020
Reply to an examination report in opposition proceedings
Feb 11, 2020
Annex to the communication - opposition
Feb 11, 2020
Communication inviting the parties to file observations
Feb 11, 2020
Communication inviting the parties to file observations
Feb 11, 2020
Internal form - Opposition/addressees
Jan 29, 2020
Brief communication - Opposition proceedings
Jan 23, 2020
(Electronic) Receipt
Jan 23, 2020
Amended description with annotations
Jan 23, 2020
Description
Jan 23, 2020
Letter accompanying subsequently filed items
Jan 23, 2020
Reply to an examination report in opposition proceedings
Jan 14, 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 27, 2019
Annex to the communication - opposition
Nov 27, 2019
Communication inviting the parties to file observations
Nov 27, 2019
Communication inviting the parties to file observations
Nov 27, 2019
Internal form - Opposition/addressees
Apr 29, 2019
Advice of delivery
Apr 26, 2019
Advice of delivery
Apr 24, 2019
Advice of delivery
Apr 23, 2019
Advice of delivery
Apr 17, 2019
Decision of the Board of Appeal
Apr 17, 2019
F3032 Notification(s) of the decision
Apr 17, 2019
F3032 Notification(s) of the decision
Feb 14, 2019
Acknowledgement of a document
Feb 14, 2019
Acknowledgement of a document
Feb 14, 2019
Claims
Feb 14, 2019
F3013 Oral Proceedings: Forwarding minutes
Feb 14, 2019
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 14, 2019
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 14, 2019
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Feb 11, 2019
F3014 Oral Proceedings: Order cancelling/postponing
Feb 11, 2019
F3345 Forwarding of submissions to parties
Feb 6, 2019
Letter dealing with oral proceedings during the appeal procedure
Feb 5, 2019
F3004 Communication of the Registry
Feb 5, 2019
F3004 Communication of the Registry
Jan 29, 2019
F3345 Forwarding of submissions to parties
Jan 29, 2019
F3345 Forwarding of submissions to parties
Jan 24, 2019
(Electronic) Receipt
Jan 24, 2019
Letter accompanying subsequently filed items
Jan 24, 2019
Letter dealing with oral proceedings during the appeal procedure
Jan 23, 2019
(Electronic) Receipt
Jan 23, 2019
Letter accompanying subsequently filed items
Jan 23, 2019
Letter dealing with oral proceedings
Jan 10, 2019
F3345 Forwarding of submissions to parties
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Letter dealing with oral proceedings during the appeal procedure
Dec 21, 2018
Request for interpreters during oral proceedings
Nov 9, 2018
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 9, 2018
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 11, 2018
Advice of delivery
Jul 6, 2018
Advice of delivery
Jul 6, 2018
Advice of delivery
Jul 3, 2018
Advice of delivery
Jun 29, 2018
Acknowledgement of a document
Jun 29, 2018
Acknowledgement of a document
Jun 29, 2018
F3011.1 Oral Proceedings: summons
Jun 29, 2018
F3011.1 Oral Proceedings: summons
Jun 26, 2018
F3010 Oral proceedings: order for summons
Jun 26, 2018
F3056 Communication: Change of Board due to the technical nature of the appeal
Jun 26, 2018
F3056 Communication: Change of Board due to the technical nature of the appeal
Jun 18, 2018
Composition of the board (T)
Jun 15, 2018
F3313 Order: change of Board due to the technical aspects of the appeal
Feb 20, 2018
F3345 Forwarding of submissions to parties
Feb 14, 2018
Reply to appeal
Jan 16, 2018
Composition of the board (T)
Oct 16, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 10, 2017
(Electronic) Receipt
Oct 10, 2017
Annexes (other than cited documents) regarding appeal procedure
Oct 10, 2017
Letter accompanying subsequently filed items
Oct 10, 2017
Statement of grounds of appeal
Oct 10, 2017
Statement of grounds of appeal
Aug 18, 2017
Request for change of opponent's representative
Jul 24, 2017
F3204 Communication of the file number to the parties
Jul 19, 2017
(Electronic) Receipt
Jul 19, 2017
Letter accompanying subsequently filed items
Jul 19, 2017
Notice of appeal
Jul 19, 2017
Processing of an appeal
Jun 29, 2017
Advice of delivery
Jun 20, 2017
Advice of delivery
Jun 19, 2017
Advice of delivery
Jun 12, 2017
Acknowledgement of a document
Jun 12, 2017
Acknowledgement of a document
Jun 12, 2017
Annex to the communication - opposition
Jun 12, 2017
Decision of the Opposition Division and instruction
Jun 12, 2017
Druckexemplar in opposition procedure
Jun 12, 2017
Grounds for the decision (Annex) - opposition
Jun 12, 2017
Interlocutory decision in opposition proceedings
Jun 12, 2017
Internal form - Opposition/addressees
Jun 12, 2017
Internal form - Opposition/addressees
Jun 12, 2017
Means of redress
Jun 12, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 12, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 12, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 12, 2017
Provision of a copy of the minutes - opposition procedure
Jun 12, 2017
Scanned annex to a communication - opposition procedure
Jun 12, 2017
Scanned annex to a communication - opposition procedure
Apr 27, 2017
Information about the result of oral proceedings
Apr 4, 2017
Submission concerning representation
Apr 3, 2017
Submission concerning representation
Feb 27, 2017
Brief communication - Opposition proceedings
Feb 24, 2017
Brief communication - Opposition proceedings
Feb 15, 2017
Letter regarding the opposition procedure (no time limit)
Feb 14, 2017
Request for interpreters during oral proceedings
Nov 25, 2016
Notification concerning the date of oral proceedings
Nov 25, 2016
Notification concerning the date of oral proceedings
Nov 22, 2016
Brief communication - Opposition proceedings
Nov 16, 2016
(Electronic) Receipt
Nov 16, 2016
Letter accompanying subsequently filed items
Nov 16, 2016
Withdrawal of a request for oral proceedings
Aug 25, 2016
Advice of delivery
Aug 23, 2016
Advice of delivery
Aug 13, 2016
Advice of delivery
Aug 10, 2016
Advice of delivery
Aug 9, 2016
Acknowledgement of a document
Aug 9, 2016
Acknowledgement of a document
Aug 9, 2016
Annex to the communication - opposition
Aug 9, 2016
Preparation for oral proceedings
Aug 9, 2016
Summons to attend oral proceedings
Aug 9, 2016
Summons to attend oral proceedings
Feb 29, 2016
Brief communication - Opposition proceedings
Feb 20, 2016
Claims
Feb 20, 2016
Reply of the patent proprietor to the notice(s) of opposition
Feb 19, 2016
Claims
Feb 19, 2016
Reply of the patent proprietor to the notice(s) of opposition
Dec 7, 2015
Brief communication - Opposition proceedings
Dec 7, 2015
Grant of extension of time limit (opposition procedure)
Nov 28, 2015
Request for extension of time limit
Aug 12, 2015
Communication of a notice of opposition and request to file observations
Aug 12, 2015
Notice of further oppositions to opponent(s)
Jul 13, 2015
Communication of a notice of opposition - first information to patent proprietor
Jul 7, 2015
(Electronic) Receipt
Jul 7, 2015
Notice of opposition
Jul 7, 2015
Notice of opposition
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jul 7, 2015
Patent document cited during the opposition procedure
Jan 28, 2015
Refund of fees
Oct 10, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 11, 2014
Decision to grant a European patent
Jul 9, 2014
Filing of the translations of the claims
Jul 9, 2014
Payment of fees and costs
Jul 1, 2014
Bibliographic data of the European patent application
Jul 1, 2014
Communication about intention to grant a European patent
Jul 1, 2014
Intention to grant (signatures)
Jul 1, 2014
Text intended for grant
Jun 4, 2014
CDS Clean up - amended applicant details
May 27, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
May 22, 2014
Claims
May 22, 2014
French translation of claims
May 22, 2014
German translation of the claims
May 22, 2014
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 28, 2014
Bibliographic data of the European patent application
Feb 28, 2014
Communication about intention to grant a European patent
Feb 28, 2014
Intention to grant (signatures)
Feb 28, 2014
Text intended for grant
Jan 29, 2014
Description
Jan 29, 2014
Reply to communication from the Examining Division
Jan 22, 2014
Annex to the communication
Jan 22, 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 16, 2012
Amended claims filed after receipt of (European) search report
Oct 16, 2012
Amended claims with annotations
Oct 16, 2012
Amendments received before examination
Jun 21, 2012
Letter concerning the inventor
Jun 15, 2012
Invitation to indicate correct address of inventor
Jun 8, 2012
Letter which had not been notified
May 31, 2012
Notification on forthcoming publication of bibliographic data
May 3, 2012
Priority document (electronically transmitted)
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
Request for entry into the European phase
Feb 13, 2012
Fax request to enter the European phase
Dec 29, 2011
Information on entry into European phase
Feb 24, 2011
Copy of the international search report
Feb 24, 2011
Published international application - A1
Oct 15, 2010
Written opinion of the ISA, boxes No. I to VIII
Oct 15, 2010
Written opinion of the ISA, cover sheet
Oct 15, 2010
Written opinion of the ISA, supplemental box

EP2467520

JOHNS MANVILLE

Application Number: EP10744633A
Filing Date: Aug 6, 2010
Status: Patent Maintained As Amended; Jan 22, 2021
Publication Date: Feb 24, 2021
External Links: Slate, Register , Google Patents

IP Verse

Improved Performance Polymeric Fiber Webs

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2467520