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Water-Absorbing Resin, Water-Absorbing Body, And Water-Absorbing Product

Patent No. EP2893974 (titled "Water-Absorbing Resin, Water-Absorbing Body, And Water-Absorbing Product") was filed by Sumitomo Seika Chemicals on Aug 1, 2013. The application was issued on Nov 8, 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	Aug 7, 2018	HOFFMANN EITLE

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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Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 6, 2020
Termination of the opposition proceedings with revocation of patent
Jun 23, 2020
(Electronic) Receipt
Jun 23, 2020
General enquiry
Jun 23, 2020
Letter accompanying subsequently filed items
Mar 19, 2020
Document concerning representation
Feb 27, 2020
(Electronic) Receipt
Feb 27, 2020
Advice of delivery
Feb 27, 2020
Letter accompanying subsequently filed items
Feb 24, 2020
Advice of delivery
Feb 21, 2020
Acknowledgement of a document
Feb 21, 2020
Acknowledgement of a document
Feb 21, 2020
Decision of the Opposition Division and instruction
Feb 21, 2020
Decision revoking the European patent
Feb 21, 2020
Grounds for the decision (Annex) - opposition
Feb 21, 2020
Internal form - Opposition/addressees
Feb 21, 2020
Means of redress
Feb 21, 2020
Scanned annex to a communication - opposition procedure
Jan 30, 2020
Advice of delivery
Jan 30, 2020
Advice of delivery
Jan 27, 2020
Notification concerning the date of oral proceedings
Jan 27, 2020
Notification concerning the date of oral proceedings
Jan 22, 2020
Brief communication - Opposition proceedings
Jan 21, 2020
Brief communication - Opposition proceedings
Jan 14, 2020
(Electronic) Receipt
Jan 14, 2020
Letter accompanying subsequently filed items
Jan 14, 2020
Written submission in preparation to/during oral proceedings
Jan 10, 2020
(Electronic) Receipt
Jan 10, 2020
Letter accompanying subsequently filed items
Jan 10, 2020
Written submission in preparation to/during oral proceedings
Oct 14, 2019
Brief communication - Opposition proceedings
Oct 4, 2019
(Electronic) Receipt
Oct 4, 2019
Citation in opposition procedure
Oct 4, 2019
Citation in opposition procedure
Oct 4, 2019
Citation in opposition procedure
Oct 4, 2019
Letter accompanying subsequently filed items
Oct 4, 2019
Non-patent literature cited during the opposition procedure
Oct 4, 2019
Patent document cited during the opposition procedure
Oct 4, 2019
Patent document cited during the opposition procedure
Oct 4, 2019
Written submission in preparation to/during oral proceedings
May 7, 2019
Advice of delivery
Apr 24, 2019
Advice of delivery
Apr 16, 2019
(Electronic) Receipt
Apr 16, 2019
Advice of delivery
Apr 16, 2019
Letter accompanying subsequently filed items
Apr 11, 2019
Advice of delivery
Apr 9, 2019
Acknowledgement of a document
Apr 9, 2019
Acknowledgement of a document
Apr 9, 2019
Annex to the communication - opposition
Apr 9, 2019
Information concerning oral proceedings
Apr 9, 2019
Summons to attend oral proceedings
Apr 9, 2019
Summons to attend oral proceedings
Jan 23, 2019
Brief communication - Opposition proceedings
Dec 27, 2018
(Electronic) Receipt
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Amended claims with annotations
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Claims
Dec 27, 2018
Letter accompanying subsequently filed items
Dec 27, 2018
Patent document cited during the opposition procedure
Dec 27, 2018
Reply of the patent proprietor to the notice(s) of opposition
Dec 27, 2018
Translation of the evidence during Opposition procedure
Dec 20, 2018
Communication of amended entries concerning the representative
Dec 14, 2018
Submission concerning change of applicant's representative
Dec 13, 2018
Submission concerning change of applicant's representative
Aug 20, 2018
(Electronic) Receipt
Aug 20, 2018
Letter accompanying subsequently filed items
Aug 20, 2018
Letter regarding the opposition procedure (no time limit)
Aug 17, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 17, 2018
Communication of a notice of opposition and request to file observations
Aug 17, 2018
Notice of further oppositions to opponent(s)
Aug 13, 2018
Notice of opposition
Aug 13, 2018
Notice of opposition
Aug 8, 2018
(Electronic) Receipt
Aug 8, 2018
Letter accompanying subsequently filed items
Aug 8, 2018
Notice of opposition
Aug 8, 2018
Notice of opposition
Aug 7, 2018
(Electronic) Receipt
Aug 7, 2018
Citation in opposition procedure
Aug 7, 2018
Citation in opposition procedure
Aug 7, 2018
Non-patent literature cited during the opposition procedure
Aug 7, 2018
Notice of opposition
Aug 7, 2018
Notice of opposition
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Patent document cited during the opposition procedure
Aug 7, 2018
Translation of the evidence during Opposition procedure
Aug 7, 2018
Translation of the evidence during Opposition procedure
Nov 15, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 12, 2017
Decision to grant a European patent
Sep 29, 2017
Bibliographic data of the European patent application
Sep 29, 2017
Information about intention to grant a patent
Sep 29, 2017
Intention to grant (signatures)
Sep 29, 2017
Text intended for grant (clean copy)
Sep 29, 2017
Text intended for grant (version for approval)
Sep 22, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Aug 25, 2017
(Electronic) Receipt
Aug 25, 2017
Amended description with annotations
Aug 25, 2017
Description
Aug 25, 2017
French translation of claims
Aug 25, 2017
German translation of the claims
Aug 25, 2017
Letter accompanying subsequently filed items
Aug 25, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Apr 24, 2017
Bibliographic data of the European patent application
Apr 24, 2017
Communication about intention to grant a European patent
Apr 24, 2017
Intention to grant (signatures)
Apr 24, 2017
Text intended for grant (clean copy)
Apr 24, 2017
Text intended for grant (version for approval)
Apr 3, 2017
Examination started
Oct 10, 2016
(Electronic) Receipt
Oct 10, 2016
Amended claims filed after receipt of (European) search report
Oct 10, 2016
Amended claims with annotations
Oct 10, 2016
Amendments received before examination
Oct 10, 2016
Annex
Oct 10, 2016
Letter accompanying subsequently filed items
Apr 5, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 18, 2016
Communication regarding the transmission of the European search report
Mar 18, 2016
European search opinion
Mar 18, 2016
Information on Search Strategy
Mar 18, 2016
Supplementary European search report
Mar 3, 2016
Search started
Oct 26, 2015
(Electronic) Receipt
Oct 26, 2015
Amended claims filed after receipt of (European) search report
Oct 26, 2015
Amended claims with annotations
Oct 26, 2015
Amendments received before examination
Oct 26, 2015
Letter accompanying subsequently filed items
Jun 17, 2015
Notification of forthcoming publication
May 11, 2015
Submission concerning representation
May 8, 2015
Submission concerning representation
Apr 17, 2015
Communication regarding possible amendment of the application/payment of claims fee
Apr 15, 2015
Brief communication to applicant/representative
Apr 15, 2015
Communication to designated inventor
Apr 15, 2015
Communication to designated inventor
Apr 15, 2015
Communication to designated inventor
Mar 23, 2015
Copy of the international preliminary report on patentability
Mar 23, 2015
Translation of the international preliminary report on patentability
Mar 10, 2015
(Electronic) Receipt
Mar 10, 2015
Abstract
Mar 10, 2015
Claims
Mar 10, 2015
Description
Mar 10, 2015
Drawings
Mar 10, 2015
Matter concerning the application
Mar 10, 2015
Request for entry into the European phase
Mar 10, 2015
Submission concerning representation
Jan 16, 2015
Information on entry into European phase
Apr 1, 2014
Priority document (electronically transmitted)
Mar 13, 2014
Copy of the international search report
Mar 13, 2014
Copy of the translated international search report
Mar 13, 2014
International publication pamphlet

EP2893974

SUMITOMO SEIKA CHEMICALS

Application Number: EP13834858A
Filing Date: Aug 1, 2013
Status: Revoked; Jul 10, 2020
Publication Date: Nov 8, 2017
External Links: Slate, Register , Google Patents