Superabsorbent Polymer Composition

Patent No. EP3031857 (titled "Superabsorbent Polymer Composition") was filed by LG Chem on Dec 11, 2014. The application was issued on Aug 18, 2021.

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	Jul 17, 2019	RICKER

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

Get instant alerts for new documents

Jul 22, 2021
Decision to maintain the European patent in amended form
Jul 22, 2021
Decision to maintain the European patent in amended form
Jul 16, 2021
Termination of the opposition proceedings with maintenance of patent
Jul 7, 2021
(Electronic) Receipt
Jul 7, 2021
French translation of claims
Jul 7, 2021
German translation of the claims
Jul 7, 2021
Letter accompanying subsequently filed items
May 25, 2021
Communication of bibliographic data
May 25, 2021
Communication to opponent concerning maintenance
May 25, 2021
Communication with request to file translations
May 17, 2021
Maintenance of the patent with the documents specified in the final decision
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Advice of delivery
Feb 2, 2021
Letter accompanying subsequently filed items
Feb 1, 2021
Advice of delivery
Feb 1, 2021
Annex to the communication - opposition
Feb 1, 2021
Decision of the Opposition Division and instruction
Feb 1, 2021
Druckexemplar in opposition procedure
Feb 1, 2021
Grounds for the decision (Annex) - opposition
Feb 1, 2021
Interlocutory decision in opposition proceedings
Feb 1, 2021
Internal form - Opposition/addressees
Feb 1, 2021
Internal form - Opposition/addressees
Feb 1, 2021
Means of redress
Feb 1, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 1, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 1, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 1, 2021
Provision of a copy of the minutes - opposition procedure
Feb 1, 2021
Scanned annex to a communication - opposition procedure
Feb 1, 2021
Scanned annex to a communication - opposition procedure
Feb 1, 2021
Scanned annex to a communication - opposition procedure
Feb 1, 2021
Transmittal of decision / summons - opposition
Feb 1, 2021
Transmittal of decision / summons - opposition
Dec 10, 2020
Information about the result of oral proceedings
Nov 17, 2020
(Electronic) Receipt
Nov 17, 2020
Letter accompanying subsequently filed items
Oct 13, 2020
(Electronic) Receipt
Oct 13, 2020
Letter accompanying subsequently filed items
Oct 8, 2020
Brief communication - Opposition proceedings
Oct 8, 2020
Notification concerning the date of oral proceedings
Oct 8, 2020
Notification concerning the date of oral proceedings
Oct 5, 2020
Brief communication - Opposition proceedings
Oct 2, 2020
(Electronic) Receipt
Oct 2, 2020
Citation in opposition procedure - 018
Oct 2, 2020
Citation in opposition procedure - 018
Oct 2, 2020
Citation in opposition procedure - 019
Oct 2, 2020
Citation in opposition procedure - 020
Oct 2, 2020
Citation in opposition procedure - 021
Oct 2, 2020
Citation in opposition procedure - 022
Oct 2, 2020
Citation in opposition procedure - 023
Oct 2, 2020
Citation in opposition procedure - 024
Oct 2, 2020
Citation in opposition procedure - 024
Oct 2, 2020
Consolidated list of cited opposition documents
Oct 2, 2020
Letter accompanying subsequently filed items
Oct 2, 2020
Written submission in preparation to/during oral proceedings
Sep 30, 2020
(Electronic) Receipt
Sep 30, 2020
Auxiliary request during Opposition procedure
Sep 30, 2020
Auxiliary request during Opposition procedure
Sep 30, 2020
Auxiliary request during Opposition procedure
Sep 30, 2020
Auxiliary request during Opposition procedure
Sep 30, 2020
Auxiliary request during Opposition procedure
Sep 30, 2020
Auxiliary request during Opposition procedure
Sep 30, 2020
Auxiliary request during Opposition procedure
Sep 30, 2020
Auxiliary request during Opposition procedure - 01
Sep 30, 2020
Auxiliary request during Opposition procedure - 02
Sep 30, 2020
Auxiliary request during Opposition procedure - 03
Sep 30, 2020
Auxiliary request during Opposition procedure - 04
Sep 30, 2020
Auxiliary request during Opposition procedure - 05
Sep 30, 2020
Auxiliary request during Opposition procedure - 06
Sep 30, 2020
Auxiliary request during Opposition procedure - 07
Sep 30, 2020
Letter accompanying subsequently filed items
Sep 30, 2020
Written submission in preparation to/during oral proceedings
Aug 14, 2020
Brief communication - Opposition proceedings
Aug 13, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
(Electronic) Receipt
Aug 10, 2020
(Electronic) Receipt
Aug 10, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
Oral proceedings: reply to date proposed
Aug 10, 2020
Oral proceedings: reply to date proposed
Jul 23, 2020
Notification concerning the date of oral proceedings
Jul 23, 2020
Notification concerning the date of oral proceedings
Mar 20, 2020
Advice of delivery
Mar 16, 2020
Advice of delivery
Mar 11, 2020
Acknowledgement of a document
Mar 11, 2020
Acknowledgement of a document
Mar 11, 2020
Annex to the communication - opposition
Mar 11, 2020
Information concerning oral proceedings
Mar 11, 2020
Scanned annex to a communication - opposition procedure
Mar 11, 2020
Summons to attend oral proceedings
Mar 11, 2020
Summons to attend oral proceedings
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 5, 2019
(Electronic) Receipt
Dec 5, 2019
Auxiliary request during Opposition procedure
Dec 5, 2019
Auxiliary request during Opposition procedure - 01
Dec 5, 2019
Citation in opposition procedure - 013
Dec 5, 2019
Citation in opposition procedure - 014
Dec 5, 2019
Citation in opposition procedure - 015
Dec 5, 2019
Citation in opposition procedure - 016
Dec 5, 2019
Citation in opposition procedure - 017
Dec 5, 2019
Letter accompanying subsequently filed items
Dec 5, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jul 31, 2019
Communication of a notice of opposition and request to file observations
Jul 31, 2019
Notice of further oppositions to opponent(s)
Jul 22, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 17, 2019
(Electronic) Receipt
Jul 17, 2019
Citation in opposition procedure - 001
Jul 17, 2019
Citation in opposition procedure - 002
Jul 17, 2019
Citation in opposition procedure - 002
Jul 17, 2019
Citation in opposition procedure - 003
Jul 17, 2019
Citation in opposition procedure - 003
Jul 17, 2019
Citation in opposition procedure - 003
Jul 17, 2019
Citation in opposition procedure - 004
Jul 17, 2019
Citation in opposition procedure - 005
Jul 17, 2019
Citation in opposition procedure - 005
Jul 17, 2019
Citation in opposition procedure - 006
Jul 17, 2019
Citation in opposition procedure - 007
Jul 17, 2019
Citation in opposition procedure - 008
Jul 17, 2019
Citation in opposition procedure - 008
Jul 17, 2019
Citation in opposition procedure - 008
Jul 17, 2019
Citation in opposition procedure - 009
Jul 17, 2019
Citation in opposition procedure - 010
Jul 17, 2019
Citation in opposition procedure - 011
Jul 17, 2019
Citation in opposition procedure - 012
Jul 17, 2019
Notice of opposition
Jul 17, 2019
Notice of opposition
Oct 29, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 20, 2018
Decision to grant a European patent
Sep 5, 2018
(Electronic) Receipt
Sep 5, 2018
Filing of the translations of the claims
Sep 5, 2018
French translation of claims
Sep 5, 2018
German translation of the claims
Sep 5, 2018
Letter accompanying subsequently filed items
Jul 25, 2018
Bibliographic data of the European patent application
Jul 25, 2018
Communication about intention to grant a European patent
Jul 25, 2018
Intention to grant (signatures)
Jul 25, 2018
Text intended for grant (clean copy)
Jul 25, 2018
Text intended for grant (version for approval)
Jul 6, 2018
Examination started
Jul 5, 2017
(Electronic) Receipt
Jul 5, 2017
Amended claims filed after receipt of (European) search report
Jul 5, 2017
Amended claims with annotations
Jul 5, 2017
Amended description filed after receipt of (European) search report
Jul 5, 2017
Amended description with annotations
Jul 5, 2017
Amendments received before examination
Jul 5, 2017
Amendments received before examination
Jul 5, 2017
Letter accompanying subsequently filed items
May 11, 2017
Submission concerning representation
Jan 9, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 20, 2016
Communication regarding the transmission of the European search report
Dec 20, 2016
European search opinion
Dec 20, 2016
Information on Search Strategy
Dec 20, 2016
Supplementary European search report
Jul 18, 2016
Communication to designated inventor
Jul 18, 2016
Communication to designated inventor
Jul 18, 2016
Communication to designated inventor
Jul 18, 2016
Communication to designated inventor
Jul 18, 2016
Communication to designated inventor
Jun 28, 2016
Copy of the international preliminary report on patentability
Jun 28, 2016
Translation of the international preliminary report on patentability
Jun 23, 2016
Communication to applicant regarding observations by third parties
Jun 15, 2016
Citation filed by a third party
Jun 15, 2016
Citation filed by a third party
Jun 15, 2016
Citation filed by a third party
Jun 15, 2016
Citation filed by a third party
Jun 15, 2016
Citation filed by a third party
Jun 15, 2016
Citation filed by a third party
Jun 15, 2016
Citation filed by a third party
Jun 15, 2016
Observations by third parties
May 19, 2016
Notification of forthcoming publication
Apr 15, 2016
Communication regarding possible amendment of the application/payment of claims fee
Mar 9, 2016
(Electronic) Receipt
Mar 9, 2016
Abstract
Mar 9, 2016
Claims
Mar 9, 2016
Description
Mar 9, 2016
Drawings
Mar 9, 2016
Matter concerning the application
Mar 9, 2016
Request for entry into the European phase
Dec 3, 2015
Notification of the recording of a change
Jul 7, 2015
Priority document (electronically transmitted)
Jun 18, 2015
Copy of the international search report
Jun 18, 2015
Copy of the international search report
Jun 18, 2015
Copy of the translated international search report
Jun 18, 2015
International publication pamphlet
Jun 18, 2015
International publication pamphlet

EP3031857

LG CHEM

Application Number: EP14868927A
Filing Date: Dec 11, 2014
Status: Patent Maintained As Amended; Jul 16, 2021
Publication Date: Aug 18, 2021
External Links: Slate, Register , Google Patents

IP Verse

Superabsorbent Polymer Composition

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3031857