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High Hydroxyethylated Starch And High Dispersant Levels In Gypsum Wallboard

Patent No. EP2212105 (titled "High Hydroxyethylated Starch And High Dispersant Levels In Gypsum Wallboard") was filed by United States Gypsum on Oct 15, 2008. The application was issued on Jul 17, 2019.

Patent Summary

Patent Family

Patent Oppositions

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
SAINT GOBAIN	Jan 17, 2017	MEWBURN ELLIS

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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Jun 21, 2019
Decision to maintain the European patent in amended form
Jun 21, 2019
Decision to maintain the European patent in amended form
Jun 14, 2019
Termination of the opposition proceedings with maintenance of patent
May 22, 2019
Filing of the translation of the amended claims
May 22, 2019
French translation of claims
May 22, 2019
German translation of the claims
May 21, 2019
Filing of the translation of the amended claims
May 21, 2019
French translation of claims
May 21, 2019
German translation of the claims
Mar 12, 2019
Communication of bibliographic data
Mar 12, 2019
Communication to opponent concerning maintenance
Mar 12, 2019
Communication with request to file translations
Feb 20, 2019
Maintenance of the patent with the documents specified in the final decision
Feb 20, 2019
Refund of fees
Feb 12, 2019
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 12, 2019
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 1, 2019
Withdrawal of an appeal
Jan 31, 2019
Composition of the board (T)
Jan 31, 2019
Withdrawal of an appeal
Jan 24, 2019
F3345 Forwarding of submissions to parties
Jan 23, 2019
Letter relating to Appeal Procedure
Jan 22, 2019
Advice of delivery
Jan 21, 2019
Advice of delivery
Jan 21, 2019
Letter relating to Appeal Procedure
Jan 17, 2019
F3045 Inadmissibility of the appeal: missing address / missing name
Jan 17, 2019
F3204 Communication of the file number to the parties
Jan 17, 2019
F3204 Communication of the file number to the parties
Jan 17, 2019
F3345 Forwarding of submissions to parties
Jan 14, 2019
Processing of an appeal
Jan 10, 2019
(Electronic) Receipt
Jan 10, 2019
Letter accompanying subsequently filed items
Jan 10, 2019
Notice of appeal
Dec 14, 2018
Request for change of opponent's representative
Dec 13, 2018
Request concerning the applicant/representative
Nov 13, 2018
Advice of delivery
Nov 8, 2018
Advice of delivery
Oct 31, 2018
Acknowledgement of a document
Oct 31, 2018
Acknowledgement of a document
Oct 31, 2018
Decision of the Opposition Division and instruction
Oct 31, 2018
Druckexemplar in opposition procedure
Oct 31, 2018
Grounds for the decision (Annex) - opposition
Oct 31, 2018
Interlocutory decision in opposition proceedings
Oct 31, 2018
Internal form - Opposition/addressees
Oct 31, 2018
Means of redress
Oct 31, 2018
Scanned annex to a communication - opposition procedure
Oct 31, 2018
Scanned annex to a communication - opposition procedure
Oct 30, 2018
Annex to the communication - opposition
Oct 30, 2018
Internal form - Opposition/addressees
Oct 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 30, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 30, 2018
Provision of a copy of the minutes - opposition procedure
Oct 30, 2018
Scanned annex to a communication - opposition procedure
Oct 30, 2018
Scanned annex to a communication - opposition procedure
Oct 30, 2018
Scanned annex to a communication - opposition procedure
Aug 7, 2018
Brief communication - Opposition proceedings
Aug 6, 2018
Brief communication - Opposition proceedings
Aug 6, 2018
Brief communication - Opposition proceedings
Aug 1, 2018
(Electronic) Receipt
Aug 1, 2018
Brief communication - Opposition proceedings
Aug 1, 2018
Letter accompanying subsequently filed items
Aug 1, 2018
Request for interpreters during oral proceedings
Jul 30, 2018
(Electronic) Receipt
Jul 30, 2018
Letter accompanying subsequently filed items
Jul 30, 2018
Letter regarding the opposition procedure (no time limit)
Jul 30, 2018
Request for interpreters during oral proceedings
Jul 26, 2018
Request for interpreters during oral proceedings
May 9, 2018
Submission concerning representation
May 9, 2018
Submission concerning representation
Jan 11, 2018
Advice of delivery
Jan 10, 2018
(Electronic) Receipt
Jan 10, 2018
Advice of delivery
Jan 10, 2018
Letter accompanying subsequently filed items
Dec 27, 2017
Advice of delivery
Dec 21, 2017
Advice of delivery
Dec 14, 2017
Acknowledgement of a document
Dec 14, 2017
Acknowledgement of a document
Dec 14, 2017
Annex to the communication - opposition
Dec 14, 2017
Information concerning oral proceedings
Dec 14, 2017
Preparation for oral proceedings
Dec 14, 2017
Summons to attend oral proceedings
Dec 14, 2017
Summons to attend oral proceedings
Sep 19, 2017
Brief communication - Opposition proceedings
Sep 14, 2017
(Electronic) Receipt
Sep 14, 2017
Letter accompanying subsequently filed items
Sep 14, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jul 26, 2017
Brief communication - Opposition proceedings
Jul 26, 2017
Grant of extension of time limit (opposition procedure)
Jul 21, 2017
Request for extension of time limit
Mar 14, 2017
Communication of a notice of opposition and request to file observations
Mar 14, 2017
Notice of further oppositions to opponent(s)
Jan 31, 2017
Communication of a notice of opposition - first information to patent proprietor
Jan 17, 2017
(Electronic) Receipt
Jan 17, 2017
Notice of opposition
Jan 17, 2017
Notice of opposition
Jan 17, 2017
Patent document cited during the opposition procedure
Jan 17, 2017
Patent document cited during the opposition procedure
Jan 17, 2017
Patent document cited during the opposition procedure
Jan 17, 2017
Patent document cited during the opposition procedure
Jan 17, 2017
Patent document cited during the opposition procedure
Jan 17, 2017
Patent document cited during the opposition procedure
Jul 7, 2016
Submission concerning representation
May 4, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 7, 2016
Decision to grant a European patent
Mar 12, 2016
Filing of the translations of the claims
Mar 12, 2016
French translation of claims
Mar 12, 2016
German translation of the claims
Mar 12, 2016
Letter concerning fees and payments
Mar 11, 2016
Filing of the translations of the claims
Mar 11, 2016
French translation of claims
Mar 11, 2016
German translation of the claims
Mar 11, 2016
Letter concerning fees and payments
Nov 24, 2015
Bibliographic data of the European patent application
Nov 24, 2015
Communication about intention to grant a European patent
Nov 24, 2015
Intention to grant (signatures)
Nov 24, 2015
Text intended for grant (clean copy)
Nov 24, 2015
Text intended for grant (version for approval)
Nov 10, 2015
Annex to the communication
Nov 10, 2015
Consultation by telephone/in person
Nov 10, 2015
Result of consultation by telephone/in person
Oct 1, 2015
(Electronic) Receipt
Oct 1, 2015
Amended claims with annotations
Oct 1, 2015
Amended description with annotations
Oct 1, 2015
Claims
Oct 1, 2015
Description
Oct 1, 2015
Letter accompanying subsequently filed items
Oct 1, 2015
Matter concerning the application
Sep 28, 2015
(Electronic) Receipt
Sep 28, 2015
Amended description with annotations
Sep 28, 2015
Description
Sep 28, 2015
Letter accompanying subsequently filed items
Sep 28, 2015
Matter concerning the application
Jul 20, 2015
(Electronic) Receipt
Jul 20, 2015
Amended claims with annotations
Jul 20, 2015
Amended description with annotations
Jul 20, 2015
Claims
Jul 20, 2015
Description
Jul 20, 2015
Letter accompanying subsequently filed items
Jul 20, 2015
Reply to communication from the Examining Division
Mar 27, 2015
Annex to the communication
Mar 27, 2015
Communication from the Examining Division
Nov 19, 2014
Amended claims with annotations
Nov 19, 2014
Amended description with annotations
Nov 19, 2014
Claims
Nov 19, 2014
Description
Nov 19, 2014
Reply to communication from the Examining Division
Nov 17, 2014
Amended claims with annotations
Nov 17, 2014
Amended claims with annotations
Nov 17, 2014
Claims
Nov 17, 2014
Claims
Nov 17, 2014
Reply to communication from the Examining Division
Nov 17, 2014
Reply to communication from the Examining Division
Nov 17, 2014
Reply to communication from the Examining Division
Oct 2, 2014
Communication of amended entries concerning the representative
Sep 29, 2014
Submission concerning change of applicant's representative
Sep 17, 2014
Grant of extension of time limit (examination procedure)
Sep 13, 2014
Request for extension of time limit to communication from the Examining Division
Sep 12, 2014
Request for extension of time limit to communication from the Examining Division
May 15, 2014
Annex to the communication
May 15, 2014
Communication from the Examining Division
May 7, 2014
Examination started
Apr 26, 2012
Reply to Written Opinion prepared by the EPO
Apr 24, 2012
Reply to Written Opinion prepared by the EPO
Oct 25, 2011
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 17, 2011
Communication of amended entries concerning the representative
Oct 11, 2011
Submission concerning change of applicant's representative
Oct 7, 2011
Communication regarding the transmission of the European search report
Oct 7, 2011
European search opinion
Oct 7, 2011
Supplementary European search report
Sep 16, 2011
Submission concerning change of applicant's representative
Sep 14, 2011
Submission concerning change of applicant's representative
Oct 28, 2010
Communication regarding possible amendment of the application/payment of claims fee
Aug 4, 2010
Submission concerning representation
Aug 2, 2010
Submission concerning representation
Jul 7, 2010
Notification on forthcoming publication of bibliographic data
Jun 23, 2010
Communication confirming withdrawal from representation
Jun 23, 2010
Communication of amended entries concerning the representative
Jun 11, 2010
Communication regarding possible amendment of the application/payment of claims fee
Jun 2, 2010
Submission concerning change of applicant's representative
May 28, 2010
(Electronic) Receipt
May 28, 2010
Request for entry into the European phase
May 21, 2010
Copy of the international preliminary report on patentability
Mar 12, 2010
Information on entry into European phase
May 27, 2009
Priority document (electronically transmitted)
May 7, 2009
Copy of the international search report
May 7, 2009
Published international application - A1

EP2212105

UNITED STATES GYPSUM

Application Number: EP08845911A
Filing Date: Oct 15, 2008
Status: Patent Maintained As Amended; Jun 14, 2019
Publication Date: Jul 17, 2019
External Links: Slate, Register , Google Patents