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Preparation Method For Super Absorbent Resin

Patent No. EP2829566 (titled "Preparation Method For Super Absorbent Resin") was filed by LG Chem on May 9, 2014. The application was issued on May 27, 2020.

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
EVONIK OPERATIONS	Nov 30, 2017	WINS

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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May 4, 2020
Decision to maintain the European patent in amended form
May 4, 2020
Decision to maintain the European patent in amended form
Apr 24, 2020
Termination of the opposition proceedings with maintenance of patent
Apr 16, 2020
(Electronic) Receipt
Apr 16, 2020
Clean copy of claims in the opposition procedure
Apr 16, 2020
Clean copy of description pages in the opposition procedure
Apr 16, 2020
Filing of the translation of the amended claims
Apr 16, 2020
French translation of claims
Apr 16, 2020
German translation of the claims
Apr 16, 2020
Letter accompanying subsequently filed items
Feb 11, 2020
Communication with request to file translations
Feb 3, 2020
Communication of bibliographic data
Feb 3, 2020
Communication to opponent concerning maintenance
Feb 3, 2020
Communication with request to file translations
Jan 24, 2020
Maintenance of the patent with the documents specified in the final decision
Nov 5, 2019
Advice of delivery
Nov 4, 2019
Advice of delivery
Oct 17, 2019
Advice of delivery
Oct 14, 2019
Advice of delivery
Oct 10, 2019
Acknowledgement of a document
Oct 10, 2019
Annex to the communication - opposition
Oct 10, 2019
Decision of the Opposition Division and instruction
Oct 10, 2019
Grounds for the decision (Annex) - opposition
Oct 10, 2019
Interlocutory decision in opposition proceedings
Oct 10, 2019
Internal form - Opposition/addressees
Oct 10, 2019
Internal form - Opposition/addressees
Oct 10, 2019
Means of redress
Oct 10, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 10, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 10, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 10, 2019
OPPODREX with handwritten amendments
Oct 10, 2019
Provision of a copy of the minutes - opposition procedure
Oct 10, 2019
Scanned annex to a communication - opposition procedure
Oct 10, 2019
Scanned annex to a communication - opposition procedure
Sep 18, 2019
Information about the result of oral proceedings
Aug 22, 2019
Brief communication - Opposition proceedings
Aug 14, 2019
(Electronic) Receipt
Aug 14, 2019
Request for interpreters during oral proceedings
Jul 22, 2019
Brief communication - Opposition proceedings
Jul 17, 2019
(Electronic) Receipt
Jul 17, 2019
Letter regarding the opposition procedure (no time limit)
Jul 15, 2019
Brief communication - Opposition proceedings
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
Letter accompanying subsequently filed items
Jul 9, 2019
Letter accompanying subsequently filed items
Jul 9, 2019
Request for interpreters during oral proceedings
Jul 9, 2019
Written submission in preparation to/during oral proceedings
Nov 16, 2018
Advice of delivery
Oct 17, 2018
Advice of delivery
Oct 8, 2018
Advice of delivery
Oct 1, 2018
Advice of delivery
Sep 28, 2018
Acknowledgement of a document
Sep 28, 2018
Acknowledgement of a document
Sep 28, 2018
Annex to the communication - opposition
Sep 28, 2018
Information concerning oral proceedings
Sep 28, 2018
Preparation for oral proceedings
Sep 28, 2018
Summons to attend oral proceedings
Sep 28, 2018
Summons to attend oral proceedings
Apr 16, 2018
Brief communication - Opposition proceedings
Apr 10, 2018
(Electronic) Receipt
Apr 10, 2018
Amended claims with annotations
Apr 10, 2018
Letter regarding the opposition procedure (no time limit)
Apr 10, 2018
Main request during Opposition procedure
Apr 10, 2018
Reply of the patent proprietor to the notice(s) of opposition
Feb 19, 2018
Brief communication - Opposition proceedings
Feb 19, 2018
Communication confirming withdrawal from representation
Feb 19, 2018
Communication of amended entries concerning the representative
Feb 13, 2018
(Electronic) Receipt
Feb 13, 2018
Letter accompanying subsequently filed items
Feb 13, 2018
Submission concerning change of proprietor's representative
Dec 15, 2017
Communication of a notice of opposition and request to file observations
Dec 15, 2017
Notice of further oppositions to opponent(s)
Dec 7, 2017
Communication of a notice of opposition - first information to patent proprietor
Nov 30, 2017
Non-patent literature cited during the opposition procedure
Nov 30, 2017
Non-patent literature cited during the opposition procedure
Nov 30, 2017
Non-patent literature cited during the opposition procedure
Nov 30, 2017
Non-patent literature cited during the opposition procedure
Nov 30, 2017
Notice of opposition
Nov 30, 2017
Notice of opposition
Nov 30, 2017
Patent document cited during the opposition procedure
Nov 30, 2017
Patent document cited during the opposition procedure
May 11, 2017
Submission concerning representation
Mar 2, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 2, 2017
Decision to grant a European patent
Jan 10, 2017
(Electronic) Receipt
Jan 10, 2017
Filing of the translations of the claims
Jan 10, 2017
French translation of claims
Jan 10, 2017
German translation of the claims
Jan 10, 2017
Letter accompanying subsequently filed items
Dec 5, 2016
Bibliographic data of the European patent application
Dec 5, 2016
Communication about intention to grant a European patent
Dec 5, 2016
Intention to grant (signatures)
Dec 5, 2016
Text intended for grant (clean copy)
Dec 5, 2016
Text intended for grant (clean copy)
Dec 5, 2016
Text intended for grant (clean copy)
Dec 5, 2016
Text intended for grant (clean copy)
Dec 5, 2016
Text intended for grant (clean copy)
Dec 5, 2016
Text intended for grant (version for approval)
Dec 5, 2016
Text intended for grant (version for approval)
Dec 5, 2016
Text intended for grant (version for approval)
Dec 5, 2016
Text intended for grant (version for approval)
Dec 5, 2016
Text intended for grant (version for approval)
Jul 27, 2016
(Electronic) Receipt
Jul 27, 2016
Amended claims with annotations
Jul 27, 2016
Amended description with annotations
Jul 27, 2016
Claims
Jul 27, 2016
Description
Jul 27, 2016
Letter accompanying subsequently filed items
Jul 27, 2016
Reply to communication from the Examining Division
Jun 14, 2016
Annex to the communication
Jun 14, 2016
Communication from the Examining Division
Jun 8, 2016
Examination started
May 30, 2016
(Electronic) Receipt
May 30, 2016
Amended claims filed after receipt of (European) search report
May 30, 2016
Amended claims with annotations
May 30, 2016
Amendments received before examination
May 30, 2016
Letter accompanying subsequently filed items
Dec 14, 2015
Communication to designated inventor
Dec 14, 2015
Communication to designated inventor
Dec 14, 2015
Communication to designated inventor
Dec 14, 2015
Communication to designated inventor
Dec 10, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 23, 2015
Communication regarding the transmission of the European search report
Nov 23, 2015
Copy of the international preliminary report on patentability
Nov 23, 2015
Document annexed to the Extended European Search Report
Nov 23, 2015
European search opinion
Nov 23, 2015
Information on Search Strategy
Nov 23, 2015
Supplementary European search report
Nov 23, 2015
Translation of the international preliminary report on patentability
Nov 5, 2015
Search started
Sep 1, 2015
Communication to applicant regarding observations by third parties
Aug 14, 2015
Observations by third parties
Aug 14, 2015
Observations by third parties
Aug 14, 2015
Observations by third parties
Jan 8, 2015
Notification of forthcoming publication
Jan 8, 2015
Translation of the international preliminary report on patentability
Jan 8, 2015
Transmission of a document (International preliminary examination report)
Dec 2, 2014
Priority document (electronically transmitted)
Dec 2, 2014
Priority document (electronically transmitted)
Nov 26, 2014
Communication regarding possible amendment of the application/payment of claims fee
Nov 13, 2014
Copy of the international search report
Nov 13, 2014
Copy of the translated international search report
Nov 13, 2014
International publication pamphlet
Oct 27, 2014
(Electronic) Receipt
Oct 27, 2014
Letter concerning fees and payments
Oct 21, 2014
Annex
Oct 21, 2014
Annex
Oct 21, 2014
Annex
Oct 21, 2014
Copy of the international preliminary report on patentability
Oct 21, 2014
Transmission of a document (International preliminary examination report)
Oct 9, 2014
Enquiry with the International Bureau
Oct 9, 2014
Information regarding early processing
Oct 1, 2014
(Electronic) Receipt
Oct 1, 2014
Abstract
Oct 1, 2014
Claims
Oct 1, 2014
Description
Oct 1, 2014
Matter concerning the application
Oct 1, 2014
Request for entry into the European phase

EP2829566

LG CHEM

Application Number: EP14772050A
Filing Date: May 9, 2014
Status: Patent Maintained As Amended; Apr 24, 2020
Publication Date: May 27, 2020
External Links: Slate, EP2829566B2, Google Patents

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Preparation Method For Super Absorbent Resin

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Dossier Documents

EP2829566