Water-Absorbable Sheet Structure

Patent No. EP2524679 (titled "Water-Absorbable Sheet Structure") was filed by Sumitomo Seika Chemicals on Dec 27, 2010. The application was issued on Apr 8, 2015.

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
THE PROCTER & GAMBLE	Jan 8, 2016	ELKINGTON AND FIFE

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 29, 2021
Termination of the opposition proceedings with revocation of patent
Oct 4, 2021
(Electronic) Receipt
Oct 4, 2021
Advice of delivery
Oct 4, 2021
Letter accompanying subsequently filed items
Sep 30, 2021
Decision of the Board of Appeal
Sep 30, 2021
F3032 Notification(s) of the decision
Sep 30, 2021
F3032 Notification(s) of the decision
Sep 16, 2021
F3013 Oral Proceedings: Forwarding minutes
Sep 16, 2021
F3013 Oral Proceedings: Forwarding minutes
Sep 13, 2021
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Aug 19, 2021
(Electronic) Receipt
Aug 19, 2021
Advice of delivery
Aug 19, 2021
Letter accompanying subsequently filed items
Aug 17, 2021
Oral proceedings: change of venue
Aug 17, 2021
Oral proceedings: change of venue
Jul 20, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 20, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 14, 2021
F3345 Forwarding of submissions to parties
Jul 9, 2021
(Electronic) Receipt
Jul 9, 2021
Letter accompanying subsequently filed items
Jul 9, 2021
Letter dealing with oral proceedings during the appeal procedure
Jun 18, 2021
F3345 Forwarding of submissions to parties
Jun 14, 2021
(Electronic) Receipt
Jun 14, 2021
Letter accompanying subsequently filed items
Jun 14, 2021
Letter dealing with oral proceedings during the appeal procedure
May 26, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 26, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
F3936 Acknowledgement of receipt Board of Appeal
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
F3936 Acknowledgement of receipt Board of Appeal
Aug 3, 2020
F3010 Oral proceedings: order for summons
Aug 3, 2020
F3011.1 Oral Proceedings: summons
Aug 3, 2020
F3011.1 Oral Proceedings: summons
Mar 14, 2019
F3303.16 Change of composition of the Board (T)
Feb 4, 2019
F3345 Forwarding of submissions to parties
Jan 29, 2019
(Electronic) Receipt
Jan 29, 2019
Letter accompanying subsequently filed items
Jan 29, 2019
Letter relating to Appeal Procedure
Oct 2, 2018
Request for change of opponent's representative
Aug 2, 2018
F3345 Forwarding of submissions to parties
Jul 27, 2018
(Electronic) Receipt
Jul 27, 2018
Amended claims with annotations
Jul 27, 2018
Amended claims with annotations
Jul 27, 2018
Amended claims with annotations
Jul 27, 2018
Amended claims with annotations
Jul 27, 2018
Amended claims with annotations
Jul 27, 2018
Amended claims with annotations
Jul 27, 2018
Amended description with annotations
Jul 27, 2018
Amended description with annotations
Jul 27, 2018
Amended description with annotations
Jul 27, 2018
Amended description with annotations
Jul 27, 2018
Amended description with annotations
Jul 27, 2018
Amended description with annotations
Jul 27, 2018
Claims
Jul 27, 2018
Claims
Jul 27, 2018
Claims
Jul 27, 2018
Claims
Jul 27, 2018
Claims
Jul 27, 2018
Claims
Jul 27, 2018
Claims
Jul 27, 2018
Description
Jul 27, 2018
Description
Jul 27, 2018
Description
Jul 27, 2018
Description
Jul 27, 2018
Description
Jul 27, 2018
Letter accompanying subsequently filed items
Jul 27, 2018
Reply to appeal
Jul 27, 2018
Reply to appeal
Apr 11, 2018
Composition of the board (T)
Apr 6, 2018
Communication of amended entries in the Register of European Patents
Apr 6, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 3, 2018
(Electronic) Receipt
Apr 3, 2018
Cited document during appeal procedure
Apr 3, 2018
Cited document during appeal procedure
Apr 3, 2018
Letter accompanying subsequently filed items
Apr 3, 2018
Request for change of opponent's representative
Apr 3, 2018
Statement of grounds of appeal
Jan 23, 2018
F3204 Communication of the file number to the parties
Jan 18, 2018
Processing of an appeal
Jan 17, 2018
(Electronic) Receipt
Jan 17, 2018
Letter accompanying subsequently filed items
Jan 17, 2018
Notice of appeal
Dec 8, 2017
(Electronic) Receipt
Dec 8, 2017
Letter accompanying subsequently filed items
Dec 8, 2017
Request concerning the applicant/representative
Dec 7, 2017
Advice of delivery
Dec 1, 2017
Advice of delivery
Nov 29, 2017
(Electronic) Receipt
Nov 29, 2017
Advice of delivery
Nov 29, 2017
Letter accompanying subsequently filed items
Nov 23, 2017
Annex to the communication - opposition
Nov 23, 2017
Decision of the Opposition Division and instruction
Nov 23, 2017
Druckexemplar in opposition procedure
Nov 23, 2017
Grounds for the decision (Annex) - opposition
Nov 23, 2017
Interlocutory decision in opposition proceedings
Nov 23, 2017
Interlocutory decision in opposition proceedings
Nov 23, 2017
Internal form - Opposition/addressees
Nov 23, 2017
Internal form - Opposition/addressees
Nov 23, 2017
Means of redress
Nov 23, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 23, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 23, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 23, 2017
Provision of a copy of the minutes - opposition procedure
Nov 23, 2017
Provision of a copy of the minutes - opposition procedure
Nov 7, 2017
Information about the result of oral proceedings
Oct 6, 2017
Brief communication - Opposition proceedings
Oct 2, 2017
Brief communication - Opposition proceedings
Sep 29, 2017
(Electronic) Receipt
Sep 29, 2017
Letter accompanying subsequently filed items
Sep 29, 2017
Patent document cited during the opposition procedure
Sep 29, 2017
Translation of the evidence during Opposition procedure
Sep 29, 2017
Written submission in preparation to/during oral proceedings
Sep 27, 2017
(Electronic) Receipt
Sep 27, 2017
Amended claims with annotations
Sep 27, 2017
Amended claims with annotations
Sep 27, 2017
Amended claims with annotations
Sep 27, 2017
Amended claims with annotations
Sep 27, 2017
Amended claims with annotations
Sep 27, 2017
Amended claims with annotations
Sep 27, 2017
Amended description with annotations
Sep 27, 2017
Amended description with annotations
Sep 27, 2017
Amended description with annotations
Sep 27, 2017
Amended description with annotations
Sep 27, 2017
Amended description with annotations
Sep 27, 2017
Amended description with annotations
Sep 27, 2017
Brief communication - Opposition proceedings
Sep 27, 2017
Claims
Sep 27, 2017
Claims
Sep 27, 2017
Claims
Sep 27, 2017
Claims
Sep 27, 2017
Claims
Sep 27, 2017
Claims
Sep 27, 2017
Description
Sep 27, 2017
Description
Sep 27, 2017
Description
Sep 27, 2017
Description
Sep 27, 2017
Description
Sep 27, 2017
Description
Sep 27, 2017
Letter accompanying subsequently filed items
Sep 27, 2017
Written submission in preparation to/during oral proceedings
Sep 21, 2017
(Electronic) Receipt
Sep 21, 2017
Letter accompanying subsequently filed items
Sep 21, 2017
Request concerning the applicant/representative
Sep 13, 2017
Brief communication - Opposition proceedings
Sep 7, 2017
(Electronic) Receipt
Sep 7, 2017
Advice of delivery
Sep 7, 2017
Letter accompanying subsequently filed items
Sep 7, 2017
Request for interpreters during oral proceedings
Jul 24, 2017
Brief communication - Opposition proceedings
Jul 18, 2017
(Electronic) Receipt
Jul 18, 2017
Advice of delivery
Jul 18, 2017
Letter accompanying subsequently filed items
Jul 18, 2017
Request for interpreters during oral proceedings
Jul 10, 2017
Annex to the communication - opposition
Jul 10, 2017
Information concerning oral proceedings
Jul 10, 2017
Preparation for oral proceedings
Jul 10, 2017
Summons to attend oral proceedings
Jul 10, 2017
Summons to attend oral proceedings
Jul 7, 2017
Annex to the communication - opposition
Jul 7, 2017
Internal form - Opposition/addressees
Jul 7, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 7, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 7, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 7, 2017
Provision of a copy of the minutes - opposition procedure
Jun 30, 2017
Brief communication - Opposition proceedings
Jun 27, 2017
Brief communication - Opposition proceedings
Jun 23, 2017
(Electronic) Receipt
Jun 23, 2017
Letter accompanying subsequently filed items
Jun 23, 2017
Oral proceedings: reply to date proposed
Jun 12, 2017
Communication of amended entries concerning the representative
May 12, 2017
Brief communication - Opposition proceedings
May 10, 2017
Brief communication - Opposition proceedings
May 4, 2017
(Electronic) Receipt
May 4, 2017
Citation in opposition procedure
May 4, 2017
Citation in opposition procedure
May 4, 2017
Citation in opposition procedure
May 4, 2017
Citation in opposition procedure
May 4, 2017
Citation in opposition procedure
May 4, 2017
Letter accompanying subsequently filed items
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Written submission in preparation to/during oral proceedings
May 3, 2017
(Electronic) Receipt
May 3, 2017
Amended claims with annotations
May 3, 2017
Amended claims with annotations
May 3, 2017
Amended description with annotations
May 3, 2017
Amended description with annotations
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Description
May 3, 2017
Description
May 3, 2017
Letter accompanying subsequently filed items
May 3, 2017
Written submission in preparation to/during oral proceedings
Jan 20, 2017
Brief communication - Opposition proceedings
Jan 16, 2017
(Electronic) Receipt
Jan 16, 2017
Request for interpreters during oral proceedings
Dec 23, 2016
Brief communication - Opposition proceedings
Dec 19, 2016
(Electronic) Receipt
Dec 19, 2016
Advice of delivery
Dec 19, 2016
Advice of delivery
Dec 19, 2016
Letter accompanying subsequently filed items
Dec 19, 2016
Request for interpreters during oral proceedings
Dec 7, 2016
Advice of delivery
Dec 1, 2016
Acknowledgement of a document
Dec 1, 2016
Acknowledgement of a document
Dec 1, 2016
Annex to the communication - opposition
Dec 1, 2016
Information concerning oral proceedings
Dec 1, 2016
Preparation for oral proceedings
Dec 1, 2016
Summons to attend oral proceedings
Dec 1, 2016
Summons to attend oral proceedings
Jun 16, 2016
Brief communication - Opposition proceedings
Jun 10, 2016
(Electronic) Receipt
Jun 10, 2016
Letter accompanying subsequently filed items
Jun 10, 2016
Reply of the patent proprietor to the notice(s) of opposition
Feb 12, 2016
Communication of a notice of opposition and request to file observations
Feb 12, 2016
Notice of further oppositions to opponent(s)
Feb 11, 2016
Communication of amended entries
Jan 30, 2016
Request for change of opponent's representative
Jan 15, 2016
Communication of a notice of opposition - first information to patent proprietor
Jan 8, 2016
(Electronic) Receipt
Jan 8, 2016
Any annexes (other than citation) to an opposition letter
Jan 8, 2016
Notice of opposition
Jan 8, 2016
Notice of opposition
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Patent document cited during the opposition procedure
Jan 8, 2016
Translation of the evidence during Opposition procedure
Jan 8, 2016
Translation of the evidence during Opposition procedure
Jan 8, 2016
Translation of the evidence during Opposition procedure
Jan 8, 2016
Translation of the evidence during Opposition procedure
Apr 9, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 12, 2015
Decision to grant a European patent
Feb 27, 2015
(Electronic) Receipt
Feb 27, 2015
Filing of the translations of the claims
Feb 27, 2015
French translation of claims
Feb 27, 2015
German translation of the claims
Feb 27, 2015
Letter accompanying subsequently filed items
Nov 4, 2014
Bibliographic data of the European patent application
Nov 4, 2014
Communication about intention to grant a European patent
Nov 4, 2014
Intention to grant (signatures)
Nov 4, 2014
Text intended for grant
Sep 29, 2014
(Electronic) Receipt
Sep 29, 2014
Amended claims with annotations
Sep 29, 2014
Claims
Sep 29, 2014
Letter accompanying subsequently filed items
Sep 29, 2014
Reply to communication from the Examining Division
May 30, 2014
Annex to the communication
May 30, 2014
Communication from the Examining Division
May 19, 2014
Examination started
Apr 23, 2014
(Electronic) Receipt
Apr 23, 2014
Amended claims filed after receipt of (European) search report
Apr 23, 2014
Amended claims with annotations
Apr 23, 2014
Amended description filed after receipt of (European) search report
Apr 23, 2014
Amended description with annotations
Apr 23, 2014
Amendments received before examination
Apr 23, 2014
Letter accompanying subsequently filed items
Oct 17, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 30, 2013
Communication regarding the transmission of the European search report
Sep 30, 2013
European search opinion
Sep 30, 2013
Supplementary European search report
Aug 21, 2013
Search started
Feb 11, 2013
Communication for party to proceedings/third party
Feb 1, 2013
(Electronic) Receipt
Feb 1, 2013
Description
Feb 1, 2013
Letter accompanying subsequently filed items
Feb 1, 2013
Request for correction of errors in filed documents
Oct 24, 2012
Notification of forthcoming publication
Aug 22, 2012
Communication regarding possible amendment of the application/payment of claims fee
Aug 21, 2012
Translation of the international preliminary report on patentability
Aug 20, 2012
Communication to designated inventor
Aug 20, 2012
Communication to designated inventor
Aug 20, 2012
Communication to designated inventor
Aug 20, 2012
Communication to designated inventor
Jul 31, 2012
Copy of the international preliminary report on patentability
Jul 19, 2012
(Electronic) Receipt
Jul 19, 2012
Abstract
Jul 19, 2012
Claims
Jul 19, 2012
Description
Jul 19, 2012
Drawings
Jul 19, 2012
Matter concerning the application
Jul 19, 2012
Request for entry into the European phase
May 25, 2012
Information on entry into European phase
Aug 8, 2011
Priority document (electronically transmitted)
Jul 21, 2011
Copy of the international search report
Jul 21, 2011
Copy of the translated international search report
Jul 21, 2011
Published international application - A1

EP2524679

SUMITOMO SEIKA CHEMICALS

Application Number: EP10843196A
Filing Date: Dec 27, 2010
Status: Revoked; Oct 29, 2021
Publication Date: Apr 8, 2015
External Links: Slate, Register , Google Patents

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Water-Absorbable Sheet Structure

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Dossier Documents

EP2524679