Super Absorbent Polymer Containing Water-Soluble Salt And Preparation Method Therefor

Patent No. EP3159359 (titled "Super Absorbent Polymer Containing Water-Soluble Salt And Preparation Method Therefor") was filed by LG Chem on Jun 10, 2015. The application was issued on Feb 16, 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 KABUSHIKI KAISHA	Jan 16, 2020	WALLINGER RICKER SCHLOTTER TOSTMANN

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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Jan 20, 2022
Decision to maintain the European patent in amended form
Jan 20, 2022
Decision to maintain the European patent in amended form
Jan 14, 2022
Termination of the opposition proceedings with maintenance of patent
Jan 10, 2022
(Electronic) Receipt
Jan 10, 2022
French translation of claims
Jan 10, 2022
German translation of the claims
Jan 10, 2022
Letter accompanying subsequently filed items
Sep 30, 2021
Communication of bibliographic data
Sep 30, 2021
Communication to opponent concerning maintenance
Sep 30, 2021
Communication with request to file translations
Sep 24, 2021
Maintenance of the patent with the documents specified in the final decision
Jun 16, 2021
Advice of delivery
Jun 15, 2021
Advice of delivery
Jun 15, 2021
Annex to the communication - opposition
Jun 15, 2021
Decision of the Opposition Division and instruction
Jun 15, 2021
Druckexemplar in opposition procedure
Jun 15, 2021
Grounds for the decision (Annex) - opposition
Jun 15, 2021
Interlocutory decision in opposition proceedings
Jun 15, 2021
Interlocutory decision in opposition proceedings
Jun 15, 2021
Means of redress
Jun 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 15, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 15, 2021
Provision of a copy of the minutes - opposition procedure
Jun 15, 2021
Provision of a copy of the minutes - opposition procedure
Jun 15, 2021
Scanned annex to a communication - opposition procedure
Jun 15, 2021
Transmittal of decision / summons - opposition
Jun 15, 2021
Transmittal of decision / summons - opposition
May 27, 2021
Information about the result of oral proceedings
May 20, 2021
Brief communication - Opposition proceedings
May 18, 2021
(Electronic) Receipt
May 18, 2021
Auxiliary request during Opposition procedure
May 18, 2021
Auxiliary request during Opposition procedure
May 18, 2021
Auxiliary request during Opposition procedure
May 18, 2021
Auxiliary request during Opposition procedure - 03
May 18, 2021
Auxiliary request during Opposition procedure - 04
May 18, 2021
Auxiliary request during Opposition procedure - 05
May 18, 2021
Letter accompanying subsequently filed items
May 18, 2021
Written submission in preparation to/during oral proceedings
Mar 31, 2021
Brief communication - Opposition proceedings
Mar 31, 2021
Brief communication - Opposition proceedings
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
Auxiliary request during Opposition procedure
Mar 26, 2021
Auxiliary request during Opposition procedure
Mar 26, 2021
Auxiliary request during Opposition procedure
Mar 26, 2021
Auxiliary request during Opposition procedure
Mar 26, 2021
Auxiliary request during Opposition procedure
Mar 26, 2021
Auxiliary request during Opposition procedure - 01
Mar 26, 2021
Auxiliary request during Opposition procedure - 02
Mar 26, 2021
Auxiliary request during Opposition procedure - 03
Mar 26, 2021
Auxiliary request during Opposition procedure - 04
Mar 26, 2021
Auxiliary request during Opposition procedure - 05
Mar 26, 2021
Citation in opposition procedure - 014
Mar 26, 2021
Citation in opposition procedure - 015
Mar 26, 2021
Consolidated list of cited opposition documents
Mar 26, 2021
Letter accompanying subsequently filed items
Mar 26, 2021
Letter accompanying subsequently filed items
Mar 26, 2021
Main request during Opposition procedure
Mar 26, 2021
Main request during Opposition procedure
Mar 26, 2021
Written submission in preparation to/during oral proceedings
Mar 26, 2021
Written submission in preparation to/during oral proceedings
Feb 9, 2021
Letter accompanying subsequently filed items
Feb 5, 2021
Notification concerning the date of oral proceedings
Feb 5, 2021
Notification concerning the date of oral proceedings
Nov 27, 2020
Brief communication - Opposition proceedings
Nov 24, 2020
(Electronic) Receipt
Nov 24, 2020
Letter accompanying subsequently filed items
Nov 24, 2020
Written submission in preparation to/during oral proceedings
Nov 20, 2020
Advice of delivery
Nov 20, 2020
Brief communication - Opposition proceedings
Nov 17, 2020
(Electronic) Receipt
Nov 17, 2020
Any annexes (other than citation) to an opposition letter
Nov 17, 2020
Letter accompanying subsequently filed items
Nov 17, 2020
Oral proceedings: Request for postponement
Oct 30, 2020
(Electronic) Receipt
Oct 30, 2020
Letter accompanying subsequently filed items
Oct 30, 2020
Oral proceedings: reply to date proposed
Oct 20, 2020
Advice of delivery
Oct 16, 2020
Communication about missing advice of delivery
Sep 23, 2020
Advice of delivery
Sep 9, 2020
Acknowledgement of a document
Sep 9, 2020
Acknowledgement of a document
Sep 9, 2020
Information concerning oral proceedings
Sep 9, 2020
Summons to attend oral proceedings
Sep 9, 2020
Summons to attend oral proceedings
Sep 7, 2020
Notification concerning the date of oral proceedings
Sep 7, 2020
Notification concerning the date of oral proceedings
Aug 21, 2020
(Electronic) Receipt
Aug 21, 2020
Letter accompanying subsequently filed items
Aug 21, 2020
Oral proceedings: Request for postponement
Aug 11, 2020
Advice of delivery
Aug 6, 2020
Advice of delivery
Aug 3, 2020
Acknowledgement of a document
Aug 3, 2020
Acknowledgement of a document
Aug 3, 2020
Annex to the communication - opposition
Aug 3, 2020
Information concerning oral proceedings
Aug 3, 2020
Summons to attend oral proceedings
Aug 3, 2020
Summons to attend oral proceedings
Jun 5, 2020
Brief communication - Opposition proceedings
May 28, 2020
(Electronic) Receipt
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure
May 28, 2020
Auxiliary request during Opposition procedure - 01
May 28, 2020
Auxiliary request during Opposition procedure - 02
May 28, 2020
Auxiliary request during Opposition procedure - 03
May 28, 2020
Auxiliary request during Opposition procedure - 04
May 28, 2020
Auxiliary request during Opposition procedure - 05
May 28, 2020
Auxiliary request during Opposition procedure - 06
May 28, 2020
Auxiliary request during Opposition procedure - 07
May 28, 2020
Auxiliary request during Opposition procedure - 08
May 28, 2020
Auxiliary request during Opposition procedure - 09
May 28, 2020
Auxiliary request during Opposition procedure - 10
May 28, 2020
Auxiliary request during Opposition procedure - 11
May 28, 2020
Letter accompanying subsequently filed items
May 28, 2020
Main request during Opposition procedure
May 28, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 31, 2020
Communication of a notice of opposition and request to file observations
Jan 31, 2020
Notice of further oppositions to opponent(s)
Jan 27, 2020
Communication of a notice of opposition - first information to patent proprietor
Jan 16, 2020
(Electronic) Receipt
Jan 16, 2020
Citation in opposition procedure - 001
Jan 16, 2020
Citation in opposition procedure - 001
Jan 16, 2020
Citation in opposition procedure - 002
Jan 16, 2020
Citation in opposition procedure - 003
Jan 16, 2020
Citation in opposition procedure - 004
Jan 16, 2020
Citation in opposition procedure - 005
Jan 16, 2020
Citation in opposition procedure - 006
Jan 16, 2020
Citation in opposition procedure - 006
Jan 16, 2020
Citation in opposition procedure - 007
Jan 16, 2020
Citation in opposition procedure - 008
Jan 16, 2020
Citation in opposition procedure - 009
Jan 16, 2020
Citation in opposition procedure - 010
Jan 16, 2020
Citation in opposition procedure - 010
Jan 16, 2020
Citation in opposition procedure - 011
Jan 16, 2020
Citation in opposition procedure - 011
Jan 16, 2020
Citation in opposition procedure - 012
Jan 16, 2020
Citation in opposition procedure - 013
Jan 16, 2020
Notice of opposition
Jan 16, 2020
Notice of opposition
Apr 30, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 21, 2019
Decision to grant a European patent
Mar 11, 2019
(Electronic) Receipt
Mar 11, 2019
Filing of the translations of the claims
Mar 11, 2019
French translation of claims
Mar 11, 2019
German translation of the claims
Dec 20, 2018
Bibliographic data of the European patent application
Dec 20, 2018
Communication about intention to grant a European patent
Dec 20, 2018
Intention to grant (signatures)
Dec 20, 2018
Text intended for grant (clean copy)
Dec 20, 2018
Text intended for grant (version for approval)
Nov 15, 2018
(Electronic) Receipt
Nov 15, 2018
Amended description with annotations
Nov 15, 2018
Description
Nov 15, 2018
Letter accompanying subsequently filed items
Nov 15, 2018
Reply to communication from the Examining Division
Oct 12, 2018
Annex to the communication
Oct 12, 2018
Communication from the Examining Division
Oct 4, 2018
Examination started
Nov 6, 2017
(Electronic) Receipt
Nov 6, 2017
Amended claims filed after receipt of (European) search report
Nov 6, 2017
Amended claims with annotations
Nov 6, 2017
Amendments received before examination
Nov 6, 2017
Letter accompanying subsequently filed items
May 11, 2017
Submission concerning representation
May 9, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 18, 2017
Communication regarding the transmission of the European search report
Apr 18, 2017
European search opinion
Apr 18, 2017
Information on Search Strategy
Apr 18, 2017
Supplementary European search report
Apr 6, 2017
Search started
Mar 29, 2017
Notification of forthcoming publication
Jan 27, 2017
Communication to designated inventor
Jan 27, 2017
Communication to designated inventor
Jan 27, 2017
Communication to designated inventor
Jan 11, 2017
Copy of the international preliminary report on patentability
Jan 11, 2017
Translation of the international preliminary report on patentability
Dec 25, 2016
Non-patent literature filed by a third party
Dec 25, 2016
Observations by third parties
Dec 25, 2016
Patent document filed by a Third party
Dec 25, 2016
Patent document filed by a Third party
Dec 25, 2016
Patent document filed by a Third party
Dec 25, 2016
Patent document filed by a Third party
Dec 25, 2016
Patent document filed by a Third party
Dec 25, 2016
Patent document filed by a Third party
Dec 25, 2016
Patent document filed by a Third party
Apr 29, 2016
Information regarding early processing
Apr 19, 2016
(Electronic) Receipt
Apr 19, 2016
Abstract
Apr 19, 2016
Claims
Apr 19, 2016
Description
Apr 19, 2016
Drawings
Apr 19, 2016
Request for entry into the European phase
Jan 19, 2016
Priority document (electronically transmitted)
Jan 19, 2016
Priority document (electronically transmitted)
Dec 30, 2015
Copy of the international search report
Dec 30, 2015
Copy of the translated international search report
Dec 30, 2015
International publication pamphlet

EP3159359

LG CHEM

Application Number: EP15811401A
Filing Date: Jun 10, 2015
Status: Patent Maintained As Amended; Jan 14, 2022
Publication Date: Feb 16, 2022
External Links: Slate, Register , Google Patents

IP Verse

Super Absorbent Polymer Containing Water-Soluble Salt And Preparation Method Therefor

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3159359