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Water Absorbing Resin Particles, Method For Manufacturing Water Absorbing Resin Particles, Absorption Body, Absorptive Article, And Water-Sealing Material

Patent No. EP2740747 (titled "Water Absorbing Resin Particles, Method For Manufacturing Water Absorbing Resin Particles, Absorption Body, Absorptive Article, And Water-Sealing Material") was filed by Sumitomo Seika Chemicals on Jul 23, 2012. The application was issued on Mar 15, 2017.

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
NIPPON SHOKUBAI	Dec 15, 2017	TBK

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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Feb 6, 2023
Decision of the Board of Appeal
Feb 6, 2023
F3032 Notification(s) of the decision
Feb 6, 2023
F3032 Notification(s) of the decision
Nov 15, 2022
F3013 Oral Proceedings: Forwarding minutes
Nov 15, 2022
F3013 Oral Proceedings: Forwarding minutes
Nov 15, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Nov 2, 2022
Oral proceedings: change of venue
Nov 2, 2022
Oral proceedings: change of venue
Oct 25, 2022
(Electronic) Receipt
Oct 25, 2022
F3345 Forwarding of submissions to parties
Oct 25, 2022
Letter accompanying subsequently filed items
Oct 25, 2022
Oral proceedings: reply to date proposed
Oct 20, 2022
(Electronic) Receipt
Oct 20, 2022
F3345 Forwarding of submissions to parties
Oct 20, 2022
Letter accompanying subsequently filed items
Oct 20, 2022
Oral proceedings: reply to date proposed
Oct 19, 2022
(Electronic) Receipt
Oct 19, 2022
F3345 Forwarding of submissions to parties
Oct 19, 2022
Letter accompanying subsequently filed items
Oct 19, 2022
Oral proceedings: reply to date proposed
Oct 5, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 5, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 30, 2022
F3345 Forwarding of submissions to parties
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Oral proceedings: reply to date proposed
Jul 25, 2022
F3345 Forwarding of submissions to parties
Jul 20, 2022
(Electronic) Receipt
Jul 20, 2022
Cited document during appeal procedure
Jul 20, 2022
Letter accompanying subsequently filed items
Jul 20, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
Advice of delivery
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 3, 2021
F3011.1 Oral Proceedings: summons
Dec 3, 2021
F3011.1 Oral Proceedings: summons
Nov 30, 2021
F3010 Oral proceedings: order for summons
Nov 30, 2021
F3303.16 Change of composition of the Board (T)
Jan 25, 2021
F3345 Forwarding of submissions to parties
Dec 29, 2020
(Electronic) Receipt
Dec 29, 2020
Annexes (other than cited documents) regarding appeal procedure
Dec 29, 2020
Drawings
Dec 29, 2020
Letter accompanying subsequently filed items
Dec 29, 2020
Letter relating to Appeal Procedure
Dec 29, 2020
Non-Patent Literature cited during the appeal procedure
Oct 9, 2020
F3345 Forwarding of submissions to parties
Oct 6, 2020
(Electronic) Receipt
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Amended claims with annotations
Oct 6, 2020
Auxiliary request during appeals procedure - 01
Oct 6, 2020
Auxiliary request during appeals procedure - 02
Oct 6, 2020
Auxiliary request during appeals procedure - 03
Oct 6, 2020
Auxiliary request during appeals procedure - 04
Oct 6, 2020
Auxiliary request during appeals procedure - 05
Oct 6, 2020
Auxiliary request during appeals procedure - 06
Oct 6, 2020
Auxiliary request during appeals procedure - 07
Oct 6, 2020
Auxiliary request during appeals procedure - 08
Oct 6, 2020
Auxiliary request during appeals procedure - 09
Oct 6, 2020
Auxiliary request during appeals procedure - 10
Oct 6, 2020
Auxiliary request during appeals procedure - 11
Oct 6, 2020
Auxiliary request during appeals procedure - 12
Oct 6, 2020
Auxiliary request during appeals procedure - 13
Oct 6, 2020
Auxiliary request during appeals procedure - 14
Oct 6, 2020
Auxiliary request during appeals procedure - 15
Oct 6, 2020
Auxiliary request during appeals procedure - 16
Oct 6, 2020
Letter accompanying subsequently filed items
Oct 6, 2020
Letter relating to Appeal Procedure
Oct 6, 2020
Patent Document cited during the appeal procedure
Jul 21, 2020
F3345 Forwarding of submissions to parties
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Cited document during appeal procedure
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Letter relating to Appeal Procedure
Jan 24, 2020
F3345 Forwarding of submissions to parties
Jan 20, 2020
(Electronic) Receipt
Jan 20, 2020
Letter accompanying subsequently filed items
Jan 20, 2020
Reply to appeal
Nov 12, 2019
Composition of the board (T)
Sep 27, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 24, 2019
(Electronic) Receipt
Sep 24, 2019
Letter accompanying subsequently filed items
Sep 24, 2019
Statement of grounds of appeal
Jul 19, 2019
F3204 Communication of the file number to the parties
Jul 19, 2019
F3204 Communication of the file number to the parties
Jul 15, 2019
Processing of an appeal
Jul 12, 2019
(Electronic) Receipt
Jul 12, 2019
Letter accompanying subsequently filed items
Jul 12, 2019
Notice of appeal
May 31, 2019
Advice of delivery
May 17, 2019
(Electronic) Receipt
May 17, 2019
(Electronic) Receipt
May 17, 2019
Advice of delivery
May 17, 2019
Advice of delivery
May 17, 2019
Letter accompanying subsequently filed items
May 17, 2019
Letter accompanying subsequently filed items
May 14, 2019
Acknowledgement of a document
May 14, 2019
Acknowledgement of a document
May 14, 2019
Annex to the communication - opposition
May 14, 2019
Decision of the Opposition Division and instruction
May 14, 2019
Decision rejecting the opposition
May 14, 2019
Grounds for the decision (Annex) - opposition
May 14, 2019
Internal form - Opposition/addressees
May 14, 2019
Internal form - Opposition/addressees
May 14, 2019
Means of redress
May 14, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 14, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 14, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 14, 2019
Provision of a copy of the minutes - opposition procedure
May 14, 2019
Scanned annex to a communication - opposition procedure
Mar 12, 2019
Advice of delivery
Mar 12, 2019
Information about the result of oral proceedings
Mar 11, 2019
(Electronic) Receipt
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Amended claims with annotations
Mar 11, 2019
Brief communication - Opposition proceedings
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Claims
Mar 11, 2019
Letter accompanying subsequently filed items
Mar 11, 2019
Written submission in preparation to/during oral proceedings
Mar 8, 2019
Brief communication - Opposition proceedings
Mar 7, 2019
(Electronic) Receipt
Mar 7, 2019
Letter accompanying subsequently filed items
Mar 7, 2019
Written submission in preparation to/during oral proceedings
Feb 13, 2019
Brief communication - Opposition proceedings
Feb 7, 2019
(Electronic) Receipt
Feb 7, 2019
Letter accompanying subsequently filed items
Feb 7, 2019
Written submission in preparation to/during oral proceedings
Jan 22, 2019
Brief communication - Opposition proceedings
Jan 22, 2019
Brief communication - Opposition proceedings
Jan 16, 2019
Brief communication - Opposition proceedings
Jan 14, 2019
Brief communication - Opposition proceedings
Jan 11, 2019
(Electronic) Receipt
Jan 11, 2019
Citation in opposition procedure
Jan 11, 2019
Citation in opposition procedure
Jan 11, 2019
Letter accompanying subsequently filed items
Jan 11, 2019
Patent document cited during the opposition procedure
Jan 11, 2019
Patent document cited during the opposition procedure
Jan 11, 2019
Patent document cited during the opposition procedure
Jan 11, 2019
Patent document cited during the opposition procedure
Jan 11, 2019
Patent document cited during the opposition procedure
Jan 11, 2019
Patent document cited during the opposition procedure
Jan 11, 2019
Patent document cited during the opposition procedure
Jan 11, 2019
Translation of the evidence during Opposition procedure
Jan 11, 2019
Translation of the evidence during Opposition procedure
Jan 11, 2019
Translation of the evidence during Opposition procedure
Jan 11, 2019
Written submission in preparation to/during oral proceedings
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Amended claims with annotations
Jan 9, 2019
Claims
Jan 9, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Written submission in preparation to/during oral proceedings
Oct 10, 2018
Advice of delivery
Oct 2, 2018
(Electronic) Receipt
Oct 2, 2018
Advice of delivery
Oct 2, 2018
Letter accompanying subsequently filed items
Oct 1, 2018
(Electronic) Receipt
Oct 1, 2018
Advice of delivery
Oct 1, 2018
Letter accompanying subsequently filed items
Sep 25, 2018
Acknowledgement of a document
Sep 25, 2018
Acknowledgement of a document
Sep 25, 2018
Annex to the communication - opposition
Sep 25, 2018
Information concerning oral proceedings
Sep 25, 2018
Information concerning oral proceedings
Sep 25, 2018
Preparation for oral proceedings
Sep 25, 2018
Summons to attend oral proceedings
Sep 25, 2018
Summons to attend oral proceedings
May 14, 2018
Brief communication - Opposition proceedings
May 4, 2018
(Electronic) Receipt
May 4, 2018
Citation in opposition procedure
May 4, 2018
Letter accompanying subsequently filed items
May 4, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 8, 2018
Communication of a notice of opposition and request to file observations
Jan 8, 2018
Notice of further oppositions to opponent(s)
Jan 2, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Translation of the evidence during Opposition procedure
Mar 16, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 16, 2017
Decision to grant a European patent
Feb 2, 2017
(Electronic) Receipt
Feb 2, 2017
Filing of the translations of the claims
Feb 2, 2017
French translation of claims
Feb 2, 2017
German translation of the claims
Feb 2, 2017
Letter accompanying subsequently filed items
Dec 22, 2016
Bibliographic data of the European patent application
Dec 22, 2016
Communication about intention to grant a European patent
Dec 22, 2016
Intention to grant (signatures)
Dec 22, 2016
Text intended for grant (clean copy)
Dec 22, 2016
Text intended for grant (version for approval)
Dec 12, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Dec 7, 2016
(Electronic) Receipt
Dec 7, 2016
Amended claims with annotations
Dec 7, 2016
Amended description with annotations
Dec 7, 2016
Claims
Dec 7, 2016
Description
Dec 7, 2016
Letter accompanying subsequently filed items
Dec 7, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Oct 14, 2016
Bibliographic data of the European patent application
Oct 14, 2016
Communication about intention to grant a European patent
Oct 14, 2016
Intention to grant (signatures)
Oct 14, 2016
Text intended for grant (clean copy)
Oct 14, 2016
Text intended for grant (version for approval)
Aug 25, 2016
(Electronic) Receipt
Aug 25, 2016
Letter accompanying subsequently filed items
Aug 25, 2016
Reply to communication from the Examining Division
Jun 29, 2016
Annex to the communication
Jun 29, 2016
Communication from the Examining Division
Jun 13, 2016
(Electronic) Receipt
Jun 13, 2016
Amended description with annotations
Jun 13, 2016
Description
Jun 13, 2016
Letter accompanying subsequently filed items
Jun 13, 2016
Reply to communication from the Examining Division
Apr 13, 2016
Grant of extension of time limit (examination procedure)
Apr 8, 2016
(Electronic) Receipt
Apr 8, 2016
Letter accompanying subsequently filed items
Apr 8, 2016
Request for extension of time limit to communication from the Examining Division
Dec 3, 2015
Annex to the communication
Dec 3, 2015
Communication from the Examining Division
Nov 13, 2015
Examination started
Oct 5, 2015
Acknowledgement of receipt of third party observations
Oct 5, 2015
Transmittal of third party observations to applicant
Sep 29, 2015
Observations by third parties
Sep 15, 2015
(Electronic) Receipt
Sep 15, 2015
Amended claims filed after receipt of (European) search report
Sep 15, 2015
Amended claims with annotations
Sep 15, 2015
Amendments received before examination
Sep 15, 2015
Letter accompanying subsequently filed items
Sep 15, 2015
Non-patent literature cited during the examination procedure
Sep 15, 2015
Non-patent literature cited during the examination procedure
Sep 15, 2015
Non-patent literature cited during the examination procedure
Mar 6, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 18, 2015
Communication regarding the transmission of the European search report
Feb 18, 2015
European search opinion
Feb 18, 2015
Supplementary European search report
Feb 9, 2015
Search started
May 14, 2014
Notification of forthcoming publication
Mar 12, 2014
Communication regarding possible amendment of the application/payment of claims fee
Mar 10, 2014
Communication to designated inventor
Mar 10, 2014
Communication to designated inventor
Mar 10, 2014
Communication to designated inventor
Mar 10, 2014
Communication to designated inventor
Feb 18, 2014
Copy of the international preliminary report on patentability
Feb 18, 2014
Translation of the international preliminary report on patentability
Jan 29, 2014
Refund of fees
Dec 11, 2013
(Electronic) Receipt
Dec 11, 2013
Abstract
Dec 11, 2013
Claims
Dec 11, 2013
Description
Dec 11, 2013
Drawings
Dec 11, 2013
Information on entry into European phase
Dec 11, 2013
Request for entry into the European phase
Feb 26, 2013
Priority document (electronically transmitted)
Feb 26, 2013
Priority document (electronically transmitted)
Feb 26, 2013
Priority document (electronically transmitted)
Feb 26, 2013
Priority document (electronically transmitted)
Feb 26, 2013
Priority document (electronically transmitted)
Feb 26, 2013
Priority document (electronically transmitted)
Feb 26, 2013
Priority document (electronically transmitted)
Feb 26, 2013
Priority document (electronically transmitted)
Feb 7, 2013
Copy of the international search report
Feb 7, 2013
Copy of the translated international search report
Feb 7, 2013
International publication pamphlet

EP2740747

SUMITOMO SEIKA CHEMICALS

Application Number: EP12819365A
Filing Date: Jul 23, 2012
Status: Revoked; Feb 8, 2023
Publication Date: Mar 15, 2017
External Links: Slate, Register , Google Patents