Water-Absorbent Resin And Absorbent Article

Patent No. EP2993190 (titled "Water-Absorbent Resin And Absorbent Article") was filed by Sumitomo Seika Chemicals on Nov 4, 2014. The application was issued on May 4, 2022.

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	Oct 30, 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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Apr 7, 2022
Decision to maintain the European patent in amended form
Apr 7, 2022
Decision to maintain the European patent in amended form
Apr 4, 2022
Termination of the opposition proceedings with maintenance of patent
Mar 22, 2022
(Electronic) Receipt
Mar 22, 2022
Filing of the translation of the amended claims
Mar 22, 2022
French translation of claims
Mar 22, 2022
German translation of the claims
Mar 22, 2022
Letter accompanying subsequently filed items
Jan 24, 2022
Communication of bibliographic data
Jan 24, 2022
Communication to opponent concerning maintenance
Jan 24, 2022
Communication with request to file translations
Jan 17, 2022
Maintenance of the patent with the documents specified in the final decision
Jan 13, 2022
Maintenance of the patent with the documents specified in the final decision
Oct 5, 2021
(Electronic) Receipt
Oct 5, 2021
Advice of delivery
Oct 5, 2021
Advice of delivery
Oct 5, 2021
Letter accompanying subsequently filed items
Oct 4, 2021
Annex to the communication - opposition
Oct 4, 2021
Druckexemplar in opposition procedure
Oct 4, 2021
Grounds for the decision (Annex) - opposition
Oct 4, 2021
Interlocutory decision in opposition proceedings
Oct 4, 2021
Interlocutory decision in opposition proceedings
Oct 4, 2021
Means of redress
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 4, 2021
Provision of a copy of the minutes - opposition procedure
Oct 4, 2021
Provision of a copy of the minutes - opposition procedure
Oct 4, 2021
Scanned annex to a communication - opposition procedure
Oct 4, 2021
Transmittal of decision / summons - opposition
Oct 4, 2021
Transmittal of decision / summons - opposition
Sep 16, 2021
Communication about missing advice of delivery
Sep 16, 2021
Communication about missing advice of delivery
Aug 2, 2021
Annex to the communication - opposition
Aug 2, 2021
Decision of the Opposition Division and instruction
Aug 2, 2021
Druckexemplar in opposition procedure
Aug 2, 2021
Grounds for the decision (Annex) - opposition
Aug 2, 2021
Interlocutory decision in opposition proceedings
Aug 2, 2021
Interlocutory decision in opposition proceedings
Aug 2, 2021
Means of redress
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Transmittal of decision / summons - opposition
Aug 2, 2021
Transmittal of decision / summons - opposition
Jul 2, 2021
Brief communication - Opposition proceedings
Jul 1, 2021
Brief communication - Opposition proceedings
Jun 29, 2021
Information about the result of oral proceedings
Jun 25, 2021
(Electronic) Receipt
Jun 25, 2021
Letter accompanying subsequently filed items
Jun 25, 2021
Oral proceedings: reply to date proposed
Jun 23, 2021
(Electronic) Receipt
Jun 23, 2021
Auxiliary request during Opposition procedure
Jun 23, 2021
Auxiliary request during Opposition procedure - 01
Jun 23, 2021
Letter accompanying subsequently filed items
Jun 23, 2021
Oral proceedings: reply to date proposed
Apr 27, 2021
(Electronic) Receipt
Apr 27, 2021
Letter accompanying subsequently filed items
Apr 27, 2021
Oral proceedings: reply to date proposed
Mar 12, 2021
Notification concerning the date of oral proceedings
Mar 12, 2021
Notification concerning the date of oral proceedings
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
Advice of delivery
Nov 19, 2020
Letter accompanying subsequently filed items
Oct 26, 2020
Advice of delivery
Oct 21, 2020
Acknowledgement of a document
Oct 21, 2020
Acknowledgement of a document
Oct 21, 2020
Annex to the communication - opposition
Oct 21, 2020
Information concerning oral proceedings
Oct 21, 2020
Summons to attend oral proceedings
Oct 21, 2020
Summons to attend oral proceedings
Oct 1, 2020
(Electronic) Receipt
Oct 1, 2020
Letter accompanying subsequently filed items
Oct 1, 2020
Written submission in preparation to/during oral proceedings
Sep 7, 2020
Notification concerning the date of oral proceedings
Sep 7, 2020
Notification concerning the date of oral proceedings
Jul 29, 2020
Advice of delivery
Jul 28, 2020
Advice of delivery
Jul 23, 2020
Acknowledgement of a document
Jul 23, 2020
Acknowledgement of a document
Jul 23, 2020
Annex to the communication - opposition
Jul 23, 2020
Information concerning oral proceedings
Jul 23, 2020
Summons to attend oral proceedings
Jul 23, 2020
Summons to attend oral proceedings
Mar 25, 2020
Notification concerning the date of oral proceedings
Mar 25, 2020
Notification concerning the date of oral proceedings
Mar 19, 2020
(Electronic) Receipt
Mar 19, 2020
(Electronic) Receipt
Mar 19, 2020
Letter accompanying subsequently filed items
Mar 19, 2020
Letter accompanying subsequently filed items
Mar 19, 2020
Written submission in preparation to/during oral proceedings
Mar 19, 2020
Written submission in preparation to/during oral proceedings
Feb 6, 2020
Brief communication - Opposition proceedings
Feb 4, 2020
Brief communication - Opposition proceedings
Jan 30, 2020
(Electronic) Receipt
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure
Jan 30, 2020
Auxiliary request during Opposition procedure - 01
Jan 30, 2020
Auxiliary request during Opposition procedure - 02
Jan 30, 2020
Auxiliary request during Opposition procedure - 03
Jan 30, 2020
Auxiliary request during Opposition procedure - 04
Jan 30, 2020
Auxiliary request during Opposition procedure - 05
Jan 30, 2020
Letter accompanying subsequently filed items
Jan 30, 2020
Main request during Opposition procedure
Jan 30, 2020
Main request during Opposition procedure
Jan 30, 2020
Written submission in preparation to/during oral proceedings
Jan 29, 2020
(Electronic) Receipt
Jan 29, 2020
Citation in opposition procedure - 007
Jan 29, 2020
Citation in opposition procedure - 025
Jan 29, 2020
Citation in opposition procedure - 026
Jan 29, 2020
Citation in opposition procedure - 027
Jan 29, 2020
Citation in opposition procedure - 028
Jan 29, 2020
Citation in opposition procedure - 029
Jan 29, 2020
Consolidated list of cited opposition documents
Jan 29, 2020
Letter accompanying subsequently filed items
Jan 29, 2020
Written submission in preparation to/during oral proceedings
Sep 5, 2019
Advice of delivery
Aug 28, 2019
Advice of delivery
Aug 26, 2019
Acknowledgement of a document
Aug 26, 2019
Acknowledgement of a document
Aug 26, 2019
Annex to the communication - opposition
Aug 26, 2019
Citation in opposition procedure - 024
Aug 26, 2019
Summons to attend oral proceedings
Aug 26, 2019
Summons to attend oral proceedings
Jul 17, 2019
Brief communication - Opposition proceedings
Jul 11, 2019
(Electronic) Receipt
Jul 11, 2019
Citation in opposition procedure - 020
Jul 11, 2019
Citation in opposition procedure - 021
Jul 11, 2019
Citation in opposition procedure - 022
Jul 11, 2019
Citation in opposition procedure - 023
Jul 11, 2019
Letter accompanying subsequently filed items
Jul 11, 2019
Letter regarding the opposition procedure (no time limit)
Apr 1, 2019
Brief communication - Opposition proceedings
Mar 25, 2019
(Electronic) Receipt
Mar 25, 2019
Auxiliary request during Opposition procedure
Mar 25, 2019
Auxiliary request during Opposition procedure
Mar 25, 2019
Auxiliary request during Opposition procedure
Mar 25, 2019
Auxiliary request during Opposition procedure
Mar 25, 2019
Auxiliary request during Opposition procedure - 01
Mar 25, 2019
Auxiliary request during Opposition procedure - 02
Mar 25, 2019
Auxiliary request during Opposition procedure - 03
Mar 25, 2019
Auxiliary request during Opposition procedure - 04
Mar 25, 2019
Letter accompanying subsequently filed items
Mar 25, 2019
Main request during Opposition procedure
Mar 25, 2019
Main request during Opposition procedure
Mar 25, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 15, 2018
Communication of a notice of opposition and request to file observations
Nov 15, 2018
Notice of further oppositions to opponent(s)
Nov 8, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 30, 2018
(Electronic) Receipt
Oct 30, 2018
Citation in opposition procedure - 001
Oct 30, 2018
Citation in opposition procedure - 002
Oct 30, 2018
Citation in opposition procedure - 002
Oct 30, 2018
Citation in opposition procedure - 003
Oct 30, 2018
Citation in opposition procedure - 004
Oct 30, 2018
Citation in opposition procedure - 005
Oct 30, 2018
Citation in opposition procedure - 005
Oct 30, 2018
Citation in opposition procedure - 006
Oct 30, 2018
Citation in opposition procedure - 007
Oct 30, 2018
Citation in opposition procedure - 008
Oct 30, 2018
Citation in opposition procedure - 009
Oct 30, 2018
Citation in opposition procedure - 010
Oct 30, 2018
Citation in opposition procedure - 011
Oct 30, 2018
Citation in opposition procedure - 012
Oct 30, 2018
Citation in opposition procedure - 013
Oct 30, 2018
Citation in opposition procedure - 014
Oct 30, 2018
Citation in opposition procedure - 015
Oct 30, 2018
Citation in opposition procedure - 015
Oct 30, 2018
Citation in opposition procedure - 016
Oct 30, 2018
Citation in opposition procedure - 017
Oct 30, 2018
Citation in opposition procedure - 018
Oct 30, 2018
Citation in opposition procedure - 019
Oct 30, 2018
Notice of opposition
Oct 30, 2018
Notice of opposition
Oct 30, 2018
Translation of the evidence during Opposition procedure
Oct 30, 2018
Translation of the evidence during Opposition procedure
Feb 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 5, 2018
Decision to grant a European patent
Dec 13, 2017
(Electronic) Receipt
Dec 13, 2017
Filing of the translations of the claims
Dec 13, 2017
French translation of claims
Dec 13, 2017
German translation of the claims
Dec 13, 2017
Letter accompanying subsequently filed items
Oct 2, 2017
Bibliographic data of the European patent application
Oct 2, 2017
Communication about intention to grant a European patent
Oct 2, 2017
Intention to grant (signatures)
Oct 2, 2017
Text intended for grant (clean copy)
Oct 2, 2017
Text intended for grant (version for approval)
Jun 8, 2017
(Electronic) Receipt
Jun 8, 2017
Amended claims with annotations
Jun 8, 2017
Claims
Jun 8, 2017
Letter accompanying subsequently filed items
Jun 8, 2017
Reply to communication from the Examining Division
May 31, 2017
(Electronic) Receipt
May 31, 2017
Letter accompanying subsequently filed items
May 31, 2017
Letter concerning the priority
May 31, 2017
Translation of priority document
May 31, 2017
Translation of priority document
Feb 15, 2017
Communication to designated inventor
Feb 15, 2017
Communication to designated inventor
Feb 15, 2017
Communication to designated inventor
Feb 15, 2017
Communication to designated inventor
Feb 1, 2017
Annex to the communication
Feb 1, 2017
Communication from the Examining Division
Feb 1, 2017
Invitation to file a translation of the previous application
Jan 30, 2017
Copy of the international preliminary report on patentability
Jan 30, 2017
Translation of the international preliminary report on patentability
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Citation filed by a third party
Jan 13, 2017
Observations by third parties
Nov 30, 2016
Communication regarding the transmission of the European search report
Nov 30, 2016
Information on Search Strategy
Nov 30, 2016
Supplementary European search report
Nov 10, 2016
Search started
May 18, 2016
Non-patent literature filed by a third party
May 18, 2016
Observations by third parties
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 18, 2016
Patent document filed by a Third party
May 17, 2016
Translation of the international preliminary report on patentability
May 17, 2016
Transmission of a document (International preliminary examination report)
May 11, 2016
Non-patent literature filed by a third party
May 11, 2016
Observations by third parties
May 11, 2016
Patent document filed by a Third party
May 11, 2016
Patent document filed by a Third party
May 11, 2016
Patent document filed by a Third party
May 11, 2016
Patent document filed by a Third party
May 11, 2016
Patent document filed by a Third party
Feb 26, 2016
Copy of the international preliminary report on patentability
Feb 26, 2016
Transmission of a document (International preliminary examination report)
Feb 16, 2016
Enquiry with the International Bureau
Feb 12, 2016
Submission concerning representation
Feb 10, 2016
Notification of forthcoming publication
Feb 1, 2016
Priority document (electronically transmitted)
Feb 1, 2016
Priority document (electronically transmitted)
Jan 27, 2016
Confirmation of receipt of (electronically) transmitted priority document
Jan 14, 2016
Copy of the international search report
Jan 14, 2016
Copy of the translated international search report
Jan 14, 2016
International publication pamphlet
Nov 19, 2015
Priority document (electronically transmitted)
Nov 19, 2015
Priority document (electronically transmitted)
Oct 1, 2015
Enquiry with the International Bureau
Aug 18, 2015
(Electronic) Receipt
Aug 18, 2015
Abstract
Aug 18, 2015
Claims
Aug 18, 2015
Description
Aug 18, 2015
Drawings
Aug 18, 2015
Request for entry into the European phase

EP2993190

SUMITOMO SEIKA CHEMICALS

Application Number: EP14882126A
Filing Date: Nov 4, 2014
Status: Patent Maintained As Amended; Apr 2, 2022
Publication Date: May 4, 2022
External Links: Slate, Register , Google Patents

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Water-Absorbent Resin And Absorbent Article

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Dossier Documents

EP2993190