Intermediate Film For Laminated Glass And Laminated Glass

Patent No. EP2594539 (titled "Intermediate Film For Laminated Glass And Laminated Glass") was filed by Sekisui Chemical on Jul 15, 2011. The application was issued on May 18, 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
KURARAY EUROPE	Feb 15, 2017	KISTERS

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 2, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 2, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 25, 2018
Termination of the opposition proceedings with maintenance of patent
Jun 21, 2018
Advice of delivery
Jun 19, 2018
Advice of delivery
Jun 14, 2018
Acknowledgement of a document
Jun 14, 2018
Decision to discontinue the opposition proceedings
Jun 14, 2018
Notification concerning the date of oral proceedings
Jun 4, 2018
Brief communication - Opposition proceedings
Jun 4, 2018
Brief communication - Opposition proceedings
May 28, 2018
(Electronic) Receipt
May 28, 2018
Letter accompanying subsequently filed items
May 28, 2018
Withdrawal of an opposition
Jan 10, 2018
Advice of delivery
Jan 8, 2018
Advice of delivery
Jan 4, 2018
Advice of delivery
Jan 3, 2018
Acknowledgement of a document
Jan 3, 2018
Acknowledgement of a document
Jan 3, 2018
Annex to the communication - opposition
Jan 3, 2018
Information concerning oral proceedings
Jan 3, 2018
Preparation for oral proceedings
Jan 3, 2018
Summons to attend oral proceedings
Jan 3, 2018
Summons to attend oral proceedings
Dec 22, 2017
Brief communication - Opposition proceedings
Dec 15, 2017
(Electronic) Receipt
Dec 15, 2017
Letter accompanying subsequently filed items
Dec 15, 2017
Letter regarding the opposition procedure (no time limit)
Aug 9, 2017
Brief communication - Opposition proceedings
Aug 3, 2017
(Electronic) Receipt
Aug 3, 2017
Amended claims with annotations
Aug 3, 2017
Claims
Aug 3, 2017
Letter accompanying subsequently filed items
Aug 3, 2017
Reply of the patent proprietor to the notice(s) of opposition
Mar 24, 2017
Communication of a notice of opposition and request to file observations
Mar 24, 2017
Notice of further oppositions to opponent(s)
Feb 27, 2017
Refund of fees
Feb 22, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 17, 2017
(Electronic) Receipt
Feb 17, 2017
Letter accompanying subsequently filed items
Feb 17, 2017
Notice of opposition
Feb 16, 2017
(Electronic) Receipt
Feb 16, 2017
Letter accompanying subsequently filed items
Feb 16, 2017
Notice of opposition
Feb 15, 2017
(Electronic) Receipt
Feb 15, 2017
Notice of opposition
Feb 15, 2017
Notice of opposition
Feb 15, 2017
Patent document cited during the opposition procedure
Feb 15, 2017
Patent document cited during the opposition procedure
Feb 15, 2017
Patent document cited during the opposition procedure
Feb 15, 2017
Patent document cited during the opposition procedure
May 18, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 21, 2016
Decision to grant a European patent
Mar 31, 2016
(Electronic) Receipt
Mar 31, 2016
Filing of the translations of the claims
Mar 31, 2016
French translation of claims
Mar 31, 2016
German translation of the claims
Mar 7, 2016
Bibliographic data of the European patent application
Mar 7, 2016
Communication about intention to grant a European patent
Mar 7, 2016
Intention to grant (signatures)
Mar 7, 2016
Text intended for grant (clean copy)
Mar 7, 2016
Text intended for grant (version for approval)
Feb 15, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jan 26, 2016
Amended claims with annotations
Jan 26, 2016
Amended description with annotations
Jan 26, 2016
Claims
Jan 26, 2016
Description
Jan 26, 2016
Non-patent literature cited during the examination procedure
Jan 26, 2016
Non-patent literature cited during the examination procedure
Jan 26, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Oct 7, 2015
Bibliographic data of the European patent application
Oct 7, 2015
Communication about intention to grant a European patent
Oct 7, 2015
Intention to grant (signatures)
Oct 7, 2015
Text intended for grant (clean copy)
Oct 7, 2015
Text intended for grant (version for approval)
Sep 17, 2015
Examination started
Jul 13, 2015
Submission concerning representation
Jun 11, 2015
(Electronic) Receipt
Jun 11, 2015
Amended claims filed after receipt of (European) search report
Jun 11, 2015
Amended claims with annotations
Jun 11, 2015
Letter accompanying subsequently filed items
Dec 11, 2014
Submission concerning representation
Dec 5, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 18, 2014
Communication regarding the transmission of the European search report
Nov 18, 2014
European search opinion
Nov 18, 2014
Supplementary European search report
Nov 7, 2014
Search started
Jul 10, 2014
Communication of expected date of establishment of search report
Jul 4, 2014
(Electronic) Receipt
Jul 4, 2014
Enquiry as to when the search report can be expected
Jul 4, 2014
Letter accompanying subsequently filed items
Apr 24, 2013
Notification of forthcoming publication
Mar 18, 2013
Submission concerning representation
Feb 26, 2013
Translation of the international preliminary examination report
Feb 22, 2013
Communication regarding possible amendment of the application/payment of claims fee
Feb 20, 2013
Communication to designated inventor
Feb 20, 2013
Communication to designated inventor
Feb 20, 2013
Communication to designated inventor
Feb 20, 2013
Communication to designated inventor
Feb 20, 2013
Communication to designated inventor
Feb 20, 2013
Communication to designated inventor
Feb 18, 2013
Refund of fees
Jan 22, 2013
Copy of the international preliminary examination report
Jan 15, 2013
(Electronic) Receipt
Jan 15, 2013
Abstract
Jan 15, 2013
Claims
Jan 15, 2013
Description
Jan 15, 2013
Drawings
Jan 15, 2013
Request for entry into the European phase
Jan 15, 2013
Translation of the annexes to the International Preliminary Examination Report
Jan 15, 2013
Translation of the annexes to the International Preliminary Examination Report
Nov 23, 2012
Information on entry into European phase
Jul 3, 2012
Notification of election of EPO
Feb 7, 2012
Priority document (electronically transmitted)
Feb 7, 2012
Priority document (electronically transmitted)
Feb 7, 2012
Priority document (electronically transmitted)
Jan 19, 2012
Copy of the international search report
Jan 19, 2012
Copy of the translated international search report
Jan 19, 2012
International publication pamphlet

EP2594539

SEKISUI CHEMICAL

Application Number: EP11806912A
Filing Date: Jul 15, 2011
Status: Opposition Procedure Closed
Publication Date: May 18, 2016
External Links: Slate, Register , Google Patents

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Intermediate Film For Laminated Glass And Laminated Glass

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Dossier Documents

EP2594539