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Water Absorbing Resin Particles, Method For Manufacturing Water Absorbing Resin Particles, Absorption Body, Absorptive Article, And Water-Sealing Material - EP2740747

The patent EP2740747 was granted to Sumitomo Seika Chemicals on Mar 15, 2017. The application was filed on Jul 23, 2012 under application number EP12819365A. The patent is currently recorded with a legal status of "Revoked".

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

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
NIPPON SHOKUBAI	Dec 15, 2017	TBK	-

Patent Citations (27) New

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

Citation Phase	Publication Number
EXAMINATION	EP0349240
EXAMINATION	JP2006169385
EXAMINATION	JP2011080069
EXAMINATION	US2004092658
EXAMINATION	US5994419
INTERNATIONAL-SEARCH-REPORT	JPH10251309
INTERNATIONAL-SEARCH-REPORT	JPH11267500
INTERNATIONAL-SEARCH-REPORT	WO2011078298
OPPOSITION	EP0450922
OPPOSITION	EP0842952
OPPOSITION	EP1291368
OPPOSITION	EP2184300
OPPOSITION	EP2505594
OPPOSITION	JP2011080069
OTHER	EP0349240
OTHER	JP2006169385
OTHER	JP2011080069
OTHER	US5994419
OTHER	US6939914
SEARCH	EP1714985
SEARCH	EP2505594
SEARCH	EP2631251
SEARCH	JP2006068731
SEARCH	WO2006025586
SEARCH	WO2006033477
SEARCH	WO2011065368
SEARCH	WO2012053121

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