Flame-Retardant Polyolefin Foam And Its Production

Patent No. EP2666626 (titled "Flame-Retardant Polyolefin Foam And Its Production") was filed by Sekisui Alveo AG on May 23, 2012. The application was issued on Dec 31, 2014.

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
TROCELLEN GMBH	Sep 22, 2015	WUBKEN

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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Apr 17, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 17, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Apr 12, 2018
Termination of the opposition proceedings with revocation of patent
Jan 8, 2018
Advice of delivery
Jan 4, 2018
(Electronic) Receipt
Jan 4, 2018
Advice of delivery
Jan 4, 2018
Advice of delivery
Jan 4, 2018
Letter accompanying subsequently filed items
Jan 3, 2018
Acknowledgement of a document
Jan 3, 2018
Acknowledgement of a document
Jan 3, 2018
Annex to the communication - opposition
Jan 3, 2018
Decision of the Opposition Division and instruction
Jan 3, 2018
Decision revoking the European patent
Jan 3, 2018
Grounds for the decision (Annex) - opposition
Jan 3, 2018
Internal form - Opposition/addressees
Jan 3, 2018
Internal form - Opposition/addressees
Jan 3, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 3, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 3, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 3, 2018
Provision of a copy of the minutes - opposition procedure
Jan 3, 2018
Scanned annex to a communication - opposition procedure
Jan 3, 2018
Scanned annex to a communication - opposition procedure
Dec 13, 2017
Information about the result of oral proceedings
Oct 18, 2017
Brief communication - Opposition proceedings
Oct 18, 2017
Brief communication - Opposition proceedings
Oct 12, 2017
(Electronic) Receipt
Oct 12, 2017
(Electronic) Receipt
Oct 12, 2017
Claims
Oct 12, 2017
Claims
Oct 12, 2017
Letter accompanying subsequently filed items
Oct 12, 2017
Letter accompanying subsequently filed items
Oct 12, 2017
Written submission in preparation to/during oral proceedings
Oct 12, 2017
Written submission in preparation to/during oral proceedings
Jun 22, 2017
Brief communication - Opposition proceedings
Jun 19, 2017
(Electronic) Receipt
Jun 19, 2017
Request for interpreters during oral proceedings
Dec 21, 2016
Advice of delivery
Dec 21, 2016
Advice of delivery
Dec 20, 2016
Advice of delivery
Dec 19, 2016
Acknowledgement of a document
Dec 19, 2016
Acknowledgement of a document
Dec 19, 2016
Annex to the communication - opposition
Dec 19, 2016
Preparation for oral proceedings
Dec 19, 2016
Summons to attend oral proceedings
Dec 19, 2016
Summons to attend oral proceedings
Sep 16, 2016
Brief communication - Opposition proceedings
Sep 5, 2016
(Electronic) Receipt
Sep 5, 2016
Written submission in preparation to/during oral proceedings
May 10, 2016
Brief communication - Opposition proceedings
May 4, 2016
(Electronic) Receipt
May 4, 2016
Amended claims with annotations
May 4, 2016
Amended claims with annotations
May 4, 2016
Any annexes (other than citation) to an opposition letter
May 4, 2016
Auxiliary request during Opposition procedure
May 4, 2016
Letter accompanying subsequently filed items
May 4, 2016
Main request during Opposition procedure
May 4, 2016
Reply of the patent proprietor to the notice(s) of opposition
Feb 19, 2016
Brief communication - Opposition proceedings
Feb 19, 2016
Grant of extension of time limit (opposition procedure)
Feb 15, 2016
(Electronic) Receipt
Feb 15, 2016
Letter accompanying subsequently filed items
Feb 15, 2016
Request for extension of time limit
Nov 4, 2015
Communication of a notice of opposition and request to file observations
Nov 4, 2015
Notice of further oppositions to opponent(s)
Sep 29, 2015
Communication of a notice of opposition - first information to patent proprietor
Sep 22, 2015
(Electronic) Receipt
Sep 22, 2015
Notice of opposition
Sep 22, 2015
Notice of opposition
Sep 22, 2015
Patent document cited during the opposition procedure
Sep 22, 2015
Patent document cited during the opposition procedure
Sep 22, 2015
Patent document cited during the opposition procedure
Sep 22, 2015
Patent document cited during the opposition procedure
Sep 22, 2015
Patent document cited during the opposition procedure
Sep 22, 2015
Patent document cited during the opposition procedure
Sep 22, 2015
Patent document cited during the opposition procedure
Sep 22, 2015
Patent document cited during the opposition procedure
Dec 31, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 4, 2014
Decision to grant a European patent
Oct 28, 2014
(Electronic) Receipt
Oct 28, 2014
Filing of the translations of the claims
Oct 28, 2014
French translation of claims
Oct 28, 2014
German translation of the claims
Oct 28, 2014
Letter accompanying subsequently filed items
Jul 17, 2014
Bibliographic data of the European patent application
Jul 17, 2014
Communication about intention to grant a European patent
Jul 17, 2014
Intention to grant (signatures)
Jul 17, 2014
Text intended for grant
Jun 26, 2014
Examination started
May 26, 2014
Payment of fees and costs
May 23, 2014
Amended claims filed after receipt of (European) search report
May 23, 2014
Amended claims with annotations
May 23, 2014
Amended description filed after receipt of (European) search report
May 23, 2014
Amended description with annotations
May 23, 2014
Amendments received before examination
Dec 2, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Oct 30, 2013
Notification of forthcoming publication
Nov 20, 2012
Communication regarding the transmission of the European search report
Nov 20, 2012
European search opinion
Nov 20, 2012
European search report
May 30, 2012
Designation of inventor
May 30, 2012
Letter concerning the inventor
May 23, 2012
Abstract
May 23, 2012
Claims
May 23, 2012
Description
May 23, 2012
Request for grant of a European patent

EP2666626

SEKISUI ALVEO AG

Application Number: EP12004020A
Filing Date: May 23, 2012
Status: Revoked; Apr 13, 2018
Publication Date: Dec 31, 2014
External Links: Slate, Register , Google Patents

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Flame-Retardant Polyolefin Foam And Its Production

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Dossier Documents

EP2666626