Composition Comprising Superabsorbent Polymer

Patent No. EP2861543 (titled "Composition Comprising Superabsorbent Polymer") was filed by United States Gypsum on Jun 10, 2013. The application was issued on Aug 10, 2016.

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
KNAUF GIPS KG	May 10, 2017	DOMPATENT VON KREISLER SELTING WERNER

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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Oct 16, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 16, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 11, 2019
Termination of the opposition proceedings with maintenance of patent
Aug 1, 2019
Advice of delivery
Jul 11, 2019
Advice of delivery
Jul 1, 2019
Acknowledgement of a document
Jul 1, 2019
Decision to discontinue the opposition proceedings
Jun 24, 2019
Brief communication - Opposition proceedings
Jun 24, 2019
Brief communication - Opposition proceedings
Jun 18, 2019
(Electronic) Receipt
Jun 18, 2019
Letter accompanying subsequently filed items
Jun 18, 2019
Withdrawal of an opposition
Dec 12, 2018
Advice of delivery
Nov 22, 2018
Advice of delivery
Nov 21, 2018
Advice of delivery
Nov 20, 2018
Advice of delivery
Nov 14, 2018
Acknowledgement of a document
Nov 14, 2018
Acknowledgement of a document
Nov 14, 2018
Information concerning oral proceedings
Nov 14, 2018
Summons to attend oral proceedings
Nov 14, 2018
Summons to attend oral proceedings
Nov 5, 2018
Brief communication - Opposition proceedings
Oct 30, 2018
(Electronic) Receipt
Oct 30, 2018
Letter accompanying subsequently filed items
Oct 30, 2018
Letter regarding the opposition procedure (no time limit)
Sep 5, 2018
Annex to the communication - opposition
Sep 5, 2018
Communication inviting the parties to file observations
Sep 5, 2018
Communication inviting the parties to file observations
Sep 5, 2018
Internal form - Opposition/addressees
Jul 30, 2018
Notification concerning the date of oral proceedings
Jul 30, 2018
Notification concerning the date of oral proceedings
Jul 23, 2018
Brief communication - Opposition proceedings
Jul 18, 2018
(Electronic) Receipt
Jul 18, 2018
Any annexes (other than citation) to an opposition letter
Jul 18, 2018
Any annexes (other than citation) to an opposition letter
Jul 18, 2018
Letter accompanying subsequently filed items
Jul 18, 2018
Letter regarding the opposition procedure (no time limit)
May 9, 2018
Submission concerning representation
May 9, 2018
Submission concerning representation
Apr 23, 2018
Advice of delivery
Apr 9, 2018
Advice of delivery
Mar 19, 2018
Advice of delivery
Mar 19, 2018
Advice of delivery
Mar 12, 2018
Acknowledgement of a document
Mar 12, 2018
Acknowledgement of a document
Mar 12, 2018
Annex to the communication - opposition
Mar 12, 2018
Information concerning oral proceedings
Mar 12, 2018
Preparation for oral proceedings
Mar 12, 2018
Summons to attend oral proceedings
Mar 12, 2018
Summons to attend oral proceedings
Oct 25, 2017
Brief communication - Opposition proceedings
Oct 19, 2017
(Electronic) Receipt
Oct 19, 2017
Amended claims with annotations
Oct 19, 2017
Claims
Oct 19, 2017
Letter accompanying subsequently filed items
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 23, 2017
Communication of a notice of opposition and request to file observations
Jun 23, 2017
Notice of further oppositions to opponent(s)
May 22, 2017
Communication of a notice of opposition - first information to patent proprietor
May 11, 2017
Notice of opposition
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Patent document cited during the opposition procedure
May 11, 2017
Payment of fees and costs
May 10, 2017
Notice of opposition
May 10, 2017
Patent document cited during the examination procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Patent document cited during the opposition procedure
May 10, 2017
Payment of fees and costs
May 10, 2017
Payment of fees and costs
Apr 7, 2017
Letter concerning fees and payments
Aug 11, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 14, 2016
Decision to grant a European patent
Jul 7, 2016
Submission concerning representation
Apr 16, 2016
Filing of the translations of the claims
Apr 16, 2016
French translation of claims
Apr 16, 2016
German translation of the claims
Apr 16, 2016
Letter concerning fees and payments
Apr 15, 2016
Filing of the translations of the claims
Apr 15, 2016
French translation of claims
Apr 15, 2016
German translation of the claims
Apr 15, 2016
Letter concerning fees and payments
Jan 8, 2016
Bibliographic data of the European patent application
Jan 8, 2016
Communication about intention to grant a European patent
Jan 8, 2016
Intention to grant (signatures)
Jan 8, 2016
Text intended for grant (clean copy)
Jan 8, 2016
Text intended for grant (version for approval)
Nov 18, 2015
Examination started
Sep 24, 2015
Amended claims filed after receipt of (European) search report
Sep 24, 2015
Amendments received before examination
Sep 24, 2015
Matter concerning the application
Sep 22, 2015
Amended claims filed after receipt of (European) search report
Sep 22, 2015
Amendments received before examination
Sep 22, 2015
Matter concerning the application
Mar 25, 2015
Notification on forthcoming publication of bibliographic data
Mar 20, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 6, 2015
Communication confirming withdrawal from representation
Feb 6, 2015
Communication of amended entries concerning the representative
Feb 3, 2015
Request concerning the applicant/representative
Jan 29, 2015
Submission concerning change of applicant's representative
Jan 28, 2015
Communication to designated inventor
Jan 22, 2015
Submission concerning change of applicant's representative
Jan 14, 2015
(Electronic) Receipt
Jan 14, 2015
Amended claims filed after receipt of (European) search report
Jan 14, 2015
Amended claims with annotations
Jan 14, 2015
Request for entry into the European phase
Jan 7, 2015
Copy of the international preliminary report on patentability
Oct 31, 2014
Information on entry into European phase
Jan 14, 2014
Priority document (electronically transmitted)
Dec 27, 2013
Copy of the international search report
Dec 27, 2013
Published international application - A1
Sep 16, 2013
Written opinion of the ISA, boxes No. I to VIII
Sep 16, 2013
Written opinion of the ISA, cover sheet
Sep 16, 2013
Written opinion of the ISA, supplemental box
Jun 19, 2013
Abstract
Jun 19, 2013
Claims
Jun 19, 2013
Description

EP2861543

UNITED STATES GYPSUM

Application Number: EP13730446A
Filing Date: Jun 10, 2013
Status: Opposition Procedure Closed
Publication Date: Aug 10, 2016
External Links: Slate, Register , Google Patents

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Composition Comprising Superabsorbent Polymer

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Dossier Documents

EP2861543