Lightweight Gypsum Wallboard

Patent No. EP2683670 (titled "Lightweight Gypsum Wallboard") was filed by Georgia Pacific Gypsum on Mar 5, 2012. The application was issued on Apr 24, 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	Jan 24, 2020	DOMPATENT VON KREISLER SELTING WERNER
KNAUF INSULATION	Jan 24, 2020	DOMPATENT VON PATENT UND RECHTSANWALTEN

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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Oct 11, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 11, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 6, 2021
Termination of the opposition proceedings with maintenance of patent
Aug 13, 2021
Communication of amended entries concerning the representative
Aug 5, 2021
Advice of delivery
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Submission concerning change of applicant's representative
Aug 3, 2021
Communication about missing advice of delivery
Jun 24, 2021
Advice of delivery
Jun 24, 2021
Annex to the communication - opposition
Jun 24, 2021
Decision of the Opposition Division and instruction
Jun 24, 2021
Decision rejecting the opposition
Jun 24, 2021
Grounds for the decision (Annex) - opposition
Jun 24, 2021
Internal form - Opposition/addressees
Jun 24, 2021
Internal form - Opposition/addressees
Jun 24, 2021
Means of redress
Jun 24, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 24, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 24, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 24, 2021
Provision of a copy of the minutes - opposition procedure
Jun 24, 2021
Transmittal of decision / summons - opposition
Jun 24, 2021
Transmittal of decision / summons - opposition
May 27, 2021
Information about the result of oral proceedings
Apr 27, 2021
(Electronic) Receipt
Apr 27, 2021
Letter accompanying subsequently filed items
Apr 26, 2021
(Electronic) Receipt
Apr 26, 2021
Letter accompanying subsequently filed items
Apr 6, 2021
Brief communication - Opposition proceedings
Apr 6, 2021
Brief communication - Opposition proceedings
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
Any annexes (other than citation) to an opposition letter
Mar 26, 2021
Auxiliary request during Opposition procedure
Mar 26, 2021
Auxiliary request during Opposition procedure - 01
Mar 26, 2021
Letter accompanying subsequently filed items
Mar 26, 2021
Letter accompanying subsequently filed items
Mar 26, 2021
Written submission in preparation to/during oral proceedings
Mar 26, 2021
Written submission in preparation to/during oral proceedings
Feb 10, 2021
Notification concerning the date of oral proceedings
Feb 10, 2021
Notification concerning the date of oral proceedings
Jan 4, 2021
(Electronic) Receipt
Jan 4, 2021
Letter accompanying subsequently filed items
Jan 4, 2021
Written submission in preparation to/during oral proceedings
Sep 23, 2020
Advice of delivery
Sep 21, 2020
Advice of delivery
Sep 17, 2020
Acknowledgement of a document
Sep 17, 2020
Acknowledgement of a document
Sep 17, 2020
Annex to the communication - opposition
Sep 17, 2020
Information concerning oral proceedings
Sep 17, 2020
Summons to attend oral proceedings
Sep 17, 2020
Summons to attend oral proceedings
Jul 23, 2020
Communication concerning the filing of a power of attorney
Jul 23, 2020
Communication of amended entries concerning the representative
Jul 17, 2020
(Electronic) Receipt
Jul 17, 2020
Annexes in respect of a client data request
Jul 17, 2020
Authorisation
Jul 17, 2020
Letter accompanying subsequently filed items
Jul 17, 2020
Submission concerning change of proprietor's representative
Jun 26, 2020
Communication concerning signing of documents (Legal Division)
Jun 25, 2020
Brief communication - Opposition proceedings
Jun 19, 2020
(Electronic) Receipt
Jun 19, 2020
Authorisation
Jun 19, 2020
Citation in opposition procedure - 008
Jun 19, 2020
Citation in opposition procedure - 009
Jun 19, 2020
Consolidated list of cited opposition documents
Jun 19, 2020
Letter accompanying subsequently filed items
Jun 19, 2020
Reply of the patent proprietor to the notice(s) of opposition
May 29, 2020
Invitation to file an authorisation
May 21, 2020
(Electronic) Receipt
May 21, 2020
Letter accompanying subsequently filed items
May 21, 2020
Submission concerning change of applicant's representative
Feb 13, 2020
Communication of a notice of opposition and request to file observations
Feb 13, 2020
Notice of further oppositions to opponent(s)
Feb 3, 2020
Communication of a notice of opposition - first information to patent proprietor
Jan 24, 2020
(Electronic) Receipt
Jan 24, 2020
Citation in opposition procedure - 001
Jan 24, 2020
Citation in opposition procedure - 002
Jan 24, 2020
Citation in opposition procedure - 003
Jan 24, 2020
Citation in opposition procedure - 004
Jan 24, 2020
Citation in opposition procedure - 005
Jan 24, 2020
Citation in opposition procedure - 006
Jan 24, 2020
Citation in opposition procedure - 007
Jan 24, 2020
Notice of opposition
Jan 24, 2020
Notice of opposition
Jan 24, 2020
Published international application - A2
May 7, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 28, 2019
Decision to grant a European patent
Feb 26, 2019
(Electronic) Receipt
Feb 26, 2019
French translation of claims
Feb 26, 2019
German translation of the claims
Feb 26, 2019
Letter accompanying subsequently filed items
Oct 31, 2018
Bibliographic data of the European patent application
Oct 31, 2018
Communication about intention to grant a European patent
Oct 31, 2018
Intention to grant (signatures)
Oct 31, 2018
Text intended for grant (clean copy)
Oct 31, 2018
Text intended for grant (version for approval)
Nov 14, 2016
Amended claims with annotations
Nov 14, 2016
Amended description with annotations
Nov 14, 2016
Claims
Nov 14, 2016
Description
Nov 14, 2016
Reply to communication from the Examining Division
Sep 8, 2016
Annex to the communication
Sep 8, 2016
Communication from the Examining Division
Sep 1, 2016
Examination started
Apr 24, 2015
Amended claims filed after receipt of (European) search report
Apr 24, 2015
Amended description filed after receipt of (European) search report
Apr 24, 2015
Amended description with annotations
Apr 24, 2015
Amendments received before examination
Feb 24, 2015
Submission concerning representation
Oct 14, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 26, 2014
Communication regarding the transmission of the European search report
Sep 26, 2014
European search opinion
Sep 26, 2014
Supplementary European search report
Sep 17, 2014
Search started
Apr 10, 2014
Letter concerning fees and payments
Apr 10, 2014
Payment of fees and costs
Dec 18, 2013
Notification on forthcoming publication of bibliographic data
Nov 8, 2013
Communication regarding possible amendment of the application/payment of claims fee
Nov 4, 2013
Communication to designated inventor
Oct 8, 2013
(Electronic) Receipt
Oct 8, 2013
Request for entry into the European phase
Sep 24, 2013
Copy of the international preliminary report on patentability
Jul 17, 2013
Information on entry into European phase
Nov 15, 2012
Copy of the international search report
Nov 15, 2012
International publication of the international search report
Oct 3, 2012
Priority document (electronically transmitted)
Sep 13, 2012
Published international application - A2

EP2683670

GEORGIA PACIFIC GYPSUM

Application Number: EP12754515A
Filing Date: Mar 5, 2012
Status: Opposition Rejected; Oct 8, 2021
Publication Date: Apr 24, 2019
External Links: Slate, Register , Google Patents

IP Verse

Lightweight Gypsum Wallboard

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2683670