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Water-Absorbing Resin, Water-Absorbing Body, And Water-Absorbing Product - EP2893974

The patent EP2893974 was granted to Sumitomo Seika Chemicals on Nov 8, 2017. The application was originally filed on Aug 1, 2013 under application number EP13834858A. The patent is currently recorded with a legal status of "Revoked".

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

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	Opposition Status
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NIPPON SHOKUBAI	Aug 7, 2018	HOFFMANN EITLE	ADMISSIBLE

Patent Citations (22) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	JPS6392701
INTERNATIONAL-SEARCH-REPORT	JP2003088552
INTERNATIONAL-SEARCH-REPORT	JP2006089525
INTERNATIONAL-SEARCH-REPORT	WO2006123561
INTERNATIONAL-SEARCH-REPORT	WO2012132902
INTERNATIONAL-SEARCH-REPORT	WO2012176342
OPPOSITION	EP0317106
OPPOSITION	EP0349240
OPPOSITION	EP0349241
OPPOSITION	EP0761241
OPPOSITION	EP2011803
OPPOSITION	EP3168241
OPPOSITION	JP2003206381
OPPOSITION	JP2012001735
SEARCH	EP1609810
SEARCH	EP1714985
SEARCH	EP1900755
SEARCH	EP2184300
SEARCH	EP2631251
SEARCH	EP2700659
SEARCH	WO2012053121
SEARCH	WO2012144566

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