Reinforced Gypsum Board Having Improved Fire Resistance

Patent No. EP2843129 (titled "Reinforced Gypsum Board Having Improved Fire Resistance") was filed by Saint Gobain on Aug 30, 2013. The application was issued on Jun 7, 2023.

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
OWENS CORNING CAPITAL	Feb 11, 2021	LAWRIE

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 11, 2023
Decision to maintain the European patent in amended form
May 5, 2023
Termination of the opposition proceedings with maintenance of patent
May 2, 2023
(Electronic) Receipt
May 2, 2023
French translation of claims
May 2, 2023
German translation of the claims
May 2, 2023
Letter accompanying subsequently filed items
Mar 29, 2023
Communication of bibliographic data
Mar 29, 2023
Communication with request to file translations
Mar 23, 2023
Maintenance of the patent with the documents specified in the final decision
Dec 13, 2022
(Electronic) Receipt
Dec 13, 2022
Advice of delivery
Dec 13, 2022
Letter accompanying subsequently filed items
Dec 6, 2022
Annex to the communication - opposition
Dec 6, 2022
Decision of the Opposition Division and instruction
Dec 6, 2022
Druckexemplar in opposition procedure
Dec 6, 2022
Grounds for the decision (Annex) - opposition
Dec 6, 2022
Interlocutory decision in opposition proceedings
Dec 6, 2022
Means of redress
Dec 6, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 6, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 6, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 6, 2022
Provision of a copy of the minutes - opposition procedure
Dec 6, 2022
Scanned annex to a communication - opposition procedure
Dec 6, 2022
Scanned annex to a communication - opposition procedure
Dec 6, 2022
Transmittal of decision / summons - opposition
Nov 24, 2022
Information about the result of oral proceedings
Sep 23, 2022
(Electronic) Receipt
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure
Sep 23, 2022
Auxiliary request during Opposition procedure - 01
Sep 23, 2022
Auxiliary request during Opposition procedure - 02
Sep 23, 2022
Auxiliary request during Opposition procedure - 03
Sep 23, 2022
Auxiliary request during Opposition procedure - 04
Sep 23, 2022
Letter accompanying subsequently filed items
Sep 23, 2022
Main request during Opposition procedure
Sep 23, 2022
Main request during Opposition procedure
Sep 23, 2022
Written submission in preparation to/during oral proceedings
Sep 12, 2022
Notification concerning the date of oral proceedings
Sep 7, 2022
Brief communication - Opposition proceedings
Sep 7, 2022
Brief communication - Opposition proceedings
Sep 1, 2022
(Electronic) Receipt
Sep 1, 2022
Letter accompanying subsequently filed items
Sep 1, 2022
Withdrawal of an opposition
May 12, 2022
Brief communication - Opposition proceedings
May 12, 2022
Brief communication - Opposition proceedings
May 4, 2022
(Electronic) Receipt
May 4, 2022
Advice of delivery
May 4, 2022
Letter accompanying subsequently filed items
May 3, 2022
(Electronic) Receipt
May 3, 2022
Advice of delivery
May 3, 2022
Letter accompanying subsequently filed items
Apr 22, 2022
Annex to the communication - opposition
Apr 22, 2022
Information concerning oral proceedings
Apr 22, 2022
Summons to attend oral proceedings
Apr 22, 2022
Summons to attend oral proceedings
Apr 22, 2022
Transmittal of decision / summons - opposition
Apr 22, 2022
Transmittal of decision / summons - opposition
Nov 22, 2021
Brief communication - Opposition proceedings
Nov 17, 2021
(Electronic) Receipt
Nov 17, 2021
Letter accompanying subsequently filed items
Nov 17, 2021
Letter regarding the opposition procedure (no time limit)
Aug 26, 2021
Brief communication - Opposition proceedings
Aug 20, 2021
(Electronic) Receipt
Aug 20, 2021
Citation in opposition procedure - 018
Aug 20, 2021
Consolidated list of cited opposition documents
Aug 20, 2021
Letter accompanying subsequently filed items
Aug 20, 2021
Letter regarding the opposition procedure (no time limit)
Jul 14, 2021
Brief communication - Opposition proceedings
Jul 8, 2021
(Electronic) Receipt
Jul 8, 2021
Auxiliary request during Opposition procedure
Jul 8, 2021
Auxiliary request during Opposition procedure
Jul 8, 2021
Auxiliary request during Opposition procedure
Jul 8, 2021
Auxiliary request during Opposition procedure
Jul 8, 2021
Auxiliary request during Opposition procedure
Jul 8, 2021
Auxiliary request during Opposition procedure
Jul 8, 2021
Auxiliary request during Opposition procedure
Jul 8, 2021
Auxiliary request during Opposition procedure - 01
Jul 8, 2021
Auxiliary request during Opposition procedure - 02
Jul 8, 2021
Auxiliary request during Opposition procedure - 03
Jul 8, 2021
Auxiliary request during Opposition procedure - 04
Jul 8, 2021
Auxiliary request during Opposition procedure - 05
Jul 8, 2021
Auxiliary request during Opposition procedure - 06
Jul 8, 2021
Auxiliary request during Opposition procedure - 07
Jul 8, 2021
Letter accompanying subsequently filed items
Jul 8, 2021
Reply of the patent proprietor to the notice(s) of opposition
Mar 8, 2021
Communication of a notice of opposition and request to file observations
Mar 8, 2021
Notice of further oppositions to opponent(s)
Feb 22, 2021
Communication of a notice of opposition - first information to patent proprietor
Feb 11, 2021
(Electronic) Receipt
Feb 11, 2021
Citation in opposition procedure - 001
Feb 11, 2021
Citation in opposition procedure - 002
Feb 11, 2021
Citation in opposition procedure - 003
Feb 11, 2021
Citation in opposition procedure - 004
Feb 11, 2021
Citation in opposition procedure - 005
Feb 11, 2021
Citation in opposition procedure - 006
Feb 11, 2021
Citation in opposition procedure - 007
Feb 11, 2021
Citation in opposition procedure - 008
Feb 11, 2021
Citation in opposition procedure - 009
Feb 11, 2021
Citation in opposition procedure - 010
Feb 11, 2021
Citation in opposition procedure - 011
Feb 11, 2021
Citation in opposition procedure - 012
Feb 11, 2021
Citation in opposition procedure - 013
Feb 11, 2021
Citation in opposition procedure - 014
Feb 11, 2021
Citation in opposition procedure - 015
Feb 11, 2021
Citation in opposition procedure - 016
Feb 11, 2021
Citation in opposition procedure - 017
Feb 11, 2021
Letter regarding the opposition procedure (no time limit)
Feb 11, 2021
Notice of opposition
Feb 11, 2021
Notice of opposition
May 26, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 25, 2020
Communication concerning a request to change bibliographic data after the decision to grant/decision to maintain the patent in a
May 11, 2020
Communication of the registration of a transfer or change of name and/or address
May 6, 2020
Letter accompanying subsequently filed items
May 6, 2020
Submission concerning change of applicant's address
May 6, 2020
Submission concerning change of applicant's address
Apr 17, 2020
Decision to grant a European patent
Mar 31, 2020
(Electronic) Receipt
Mar 31, 2020
French translation of claims
Mar 31, 2020
German translation of the claims
Mar 31, 2020
Letter accompanying subsequently filed items
Jan 20, 2020
Document concerning representation
Dec 6, 2019
Bibliographic data of the European patent application
Dec 6, 2019
Communication about intention to grant a European patent
Dec 6, 2019
Intention to grant (signatures)
Dec 6, 2019
Text intended for grant (clean copy)
Dec 6, 2019
Text intended for grant (version for approval)
Nov 22, 2019
Submission concerning representation
Nov 11, 2019
Confirmation of revocation of automatic debit order
Nov 6, 2019
Letter relating to the automatic debiting procedure
Sep 30, 2019
Examination started
May 24, 2019
Notification regarding date of start of examination with possibility to withdraw
Mar 18, 2019
Communication of amended entries concerning the representative
Mar 13, 2019
Submission concerning change of applicant's representative
Mar 8, 2019
Submission concerning change of applicant's representative
Nov 2, 2017
Submission concerning representation
Oct 26, 2017
Submission concerning representation
Jun 15, 2016
(Electronic) Receipt
Jun 15, 2016
Letter relating to the automatic debiting procedure
Dec 14, 2015
Decision to allow further processing
Dec 2, 2015
(Electronic) Receipt
Dec 2, 2015
Amended claims filed after receipt of (European) search report
Dec 2, 2015
Amended claims with annotations
Dec 2, 2015
Amended description filed after receipt of (European) search report
Dec 2, 2015
Amended description filed after receipt of (European) search report
Dec 2, 2015
Amended description with annotations
Dec 2, 2015
Amendments received before examination
Dec 2, 2015
Letter accompanying subsequently filed items
Oct 13, 2015
Application deemed to be withdrawn (non-reply to Written Opinion)
Sep 3, 2015
(Electronic) Receipt
Sep 3, 2015
Letter accompanying subsequently filed items
Aug 25, 2015
(Electronic) Receipt
Aug 25, 2015
Letter accompanying subsequently filed items
Mar 9, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Feb 4, 2015
Notification of forthcoming publication
Jan 28, 2015
Communication to designated inventor
Dec 31, 2014
(Electronic) Receipt
Dec 31, 2014
Designation of inventor
Dec 31, 2014
Letter accompanying subsequently filed items
Jul 8, 2014
Submission concerning representation
Feb 28, 2014
Communication regarding the transmission of the European search report
Feb 28, 2014
European search opinion
Feb 28, 2014
European search report
Feb 17, 2014
Search started
Nov 28, 2013
(Electronic) Receipt
Nov 28, 2013
Abstract
Nov 28, 2013
Letter accompanying subsequently filed items
Oct 17, 2013
Cover sheet for fax transmission
Oct 17, 2013
Submission concerning representation
Sep 30, 2013
Deficiencies in translation of international application
Sep 30, 2013
Deficiency in designation of inventor
Sep 25, 2013
Claims
Sep 25, 2013
Description
Sep 25, 2013
Matter concerning the application
Sep 25, 2013
Payment of fees and costs
Sep 25, 2013
Request for grant of a European patent
Sep 6, 2013
Payment of fees and costs
Aug 30, 2013
Annex
Aug 30, 2013
Request for grant of a European patent
Aug 30, 2013
Specification filed by fax and/or in non-official language

EP2843129

SAINT GOBAIN

Application Number: EP13290205A
Filing Date: Aug 30, 2013
Status: Patent Maintained As Amended; May 5, 2023
Publication Date: Jun 7, 2023
External Links: Slate, Register , Google Patents

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Reinforced Gypsum Board Having Improved Fire Resistance

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Dossier Documents

EP2843129