Liquid Crystal Composition And Liquid Crystal Display Element Using This Composition

Patent No. EP2907864 (titled "Liquid Crystal Composition And Liquid Crystal Display Element Using This Composition") was filed by DIC on Mar 26, 2013. The application was issued on May 18, 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
MERCK PATENT	Oct 9, 2019	RUSSELL

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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Apr 26, 2022
Decision to maintain the European patent in amended form
Apr 26, 2022
Decision to maintain the European patent in amended form
Apr 21, 2022
Termination of the opposition proceedings with maintenance of patent
Apr 12, 2022
(Electronic) Receipt
Apr 12, 2022
Filing of the translation of the amended claims
Apr 12, 2022
French translation of claims
Apr 12, 2022
German translation of the claims
Apr 12, 2022
Letter accompanying subsequently filed items
Apr 4, 2022
Communication of bibliographic data
Apr 4, 2022
Communication to opponent concerning maintenance
Apr 4, 2022
Communication with request to file translations
Mar 29, 2022
Maintenance of the patent with the documents specified in the final decision
Dec 21, 2021
Advice of delivery
Dec 16, 2021
Advice of delivery
Dec 15, 2021
Annex to the communication - opposition
Dec 15, 2021
Decision of the Opposition Division and instruction
Dec 15, 2021
Druckexemplar in opposition procedure
Dec 15, 2021
Grounds for the decision (Annex) - opposition
Dec 15, 2021
Interlocutory decision in opposition proceedings
Dec 15, 2021
Interlocutory decision in opposition proceedings
Dec 15, 2021
Means of redress
Dec 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 15, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 15, 2021
Provision of a copy of the minutes - opposition procedure
Dec 15, 2021
Provision of a copy of the minutes - opposition procedure
Dec 15, 2021
Scanned annex to a communication - opposition procedure
Dec 15, 2021
Scanned annex to a communication - opposition procedure
Dec 15, 2021
Transmittal of decision / summons - opposition
Dec 15, 2021
Transmittal of decision / summons - opposition
Feb 2, 2021
Information about the result of oral proceedings
Feb 1, 2021
Brief communication - Opposition proceedings
Jan 29, 2021
(Electronic) Receipt
Jan 29, 2021
Any annexes (other than citation) to an opposition letter
Jan 29, 2021
Any annexes (other than citation) to an opposition letter
Jan 29, 2021
Letter accompanying subsequently filed items
Jan 29, 2021
Written submission in preparation to/during oral proceedings
Jan 28, 2021
(Electronic) Receipt
Jan 28, 2021
Auxiliary request during Opposition procedure
Jan 28, 2021
Auxiliary request during Opposition procedure
Jan 28, 2021
Auxiliary request during Opposition procedure
Jan 28, 2021
Auxiliary request during Opposition procedure
Jan 28, 2021
Letter accompanying subsequently filed items
Jan 28, 2021
Main request during Opposition procedure
Jan 28, 2021
Written submission in preparation to/during oral proceedings
Jan 18, 2021
Brief communication - Opposition proceedings
Jan 18, 2021
Brief communication - Opposition proceedings
Jan 15, 2021
(Electronic) Receipt
Jan 15, 2021
Letter accompanying subsequently filed items
Dec 14, 2020
Brief communication - Opposition proceedings
Dec 10, 2020
Brief communication - Opposition proceedings
Dec 8, 2020
(Electronic) Receipt
Dec 8, 2020
Letter accompanying subsequently filed items
Dec 7, 2020
Notification concerning the date of oral proceedings
Dec 7, 2020
Notification concerning the date of oral proceedings
Dec 3, 2020
Request for interpreters during oral proceedings
Dec 2, 2020
(Electronic) Receipt
Dec 2, 2020
Citation in opposition procedure - 009
Dec 2, 2020
Citation in opposition procedure - 010
Dec 2, 2020
Citation in opposition procedure - 011
Dec 2, 2020
Citation in opposition procedure - 012
Dec 2, 2020
Citation in opposition procedure - 013
Dec 2, 2020
Citation in opposition procedure - 013
Dec 2, 2020
Citation in opposition procedure - 013
Dec 2, 2020
Consolidated list of cited opposition documents
Dec 2, 2020
Letter accompanying subsequently filed items
Dec 2, 2020
Written submission in preparation to/during oral proceedings
Jul 2, 2020
Advice of delivery
Jun 30, 2020
Advice of delivery
Jun 24, 2020
Acknowledgement of a document
Jun 24, 2020
Acknowledgement of a document
Jun 24, 2020
Annex to the communication - opposition
Jun 24, 2020
Information concerning oral proceedings
Jun 24, 2020
Summons to attend oral proceedings
Jun 24, 2020
Summons to attend oral proceedings
Mar 11, 2020
Brief communication - Opposition proceedings
Mar 3, 2020
Amended claims with annotations
Mar 3, 2020
Amended claims with annotations
Mar 3, 2020
Amended claims with annotations
Mar 3, 2020
Amended claims with annotations
Mar 3, 2020
Amended claims with annotations
Mar 3, 2020
Any annexes (other than citation) to an opposition letter
Mar 3, 2020
Any annexes (other than citation) to an opposition letter
Mar 3, 2020
Claims
Mar 3, 2020
Claims
Mar 3, 2020
Claims
Mar 3, 2020
Claims
Mar 3, 2020
Claims
Mar 3, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 24, 2019
Communication of a notice of opposition and request to file observations
Oct 24, 2019
Notice of further oppositions to opponent(s)
Oct 17, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 15, 2019
Consolidated list of cited opposition documents
Oct 9, 2019
(Electronic) Receipt
Oct 9, 2019
Any annexes (other than citation) to an opposition letter
Oct 9, 2019
Citation in opposition procedure - 001
Oct 9, 2019
Citation in opposition procedure - 001
Oct 9, 2019
Citation in opposition procedure - 002
Oct 9, 2019
Citation in opposition procedure - 003
Oct 9, 2019
Citation in opposition procedure - 003
Oct 9, 2019
Citation in opposition procedure - 004
Oct 9, 2019
Citation in opposition procedure - 004
Oct 9, 2019
Citation in opposition procedure - 005
Oct 9, 2019
Citation in opposition procedure - 005
Oct 9, 2019
Citation in opposition procedure - 005
Oct 9, 2019
Citation in opposition procedure - 006
Oct 9, 2019
Citation in opposition procedure - 007
Oct 9, 2019
Notice of opposition
Oct 9, 2019
Notice of opposition
Jan 21, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 13, 2018
Decision to grant a European patent
Nov 29, 2018
(Electronic) Receipt
Nov 29, 2018
Filing of the translations of the claims
Nov 29, 2018
French translation of claims
Nov 29, 2018
German translation of the claims
Nov 29, 2018
Letter accompanying subsequently filed items
Oct 5, 2018
Bibliographic data of the European patent application
Oct 5, 2018
Communication about intention to grant a European patent
Oct 5, 2018
Intention to grant (signatures)
Oct 5, 2018
Text intended for grant (clean copy)
Oct 5, 2018
Text intended for grant (version for approval)
Jun 12, 2018
Amended description with annotations
Jun 12, 2018
Claims
Jun 12, 2018
Description
Jun 12, 2018
Reply to communication from the Examining Division
Mar 14, 2018
Annex to the communication
Mar 14, 2018
Communication from the Examining Division
Jul 7, 2017
Amended claims with annotations
Jul 7, 2017
Claims
Jul 7, 2017
Reply to communication from the Examining Division
May 19, 2017
Grant of extension of time limit (examination procedure)
May 3, 2017
Request for extension of time limit to communication from the Examining Division
Mar 10, 2017
Annex to the communication
Mar 10, 2017
Communication from the Examining Division
Feb 28, 2017
Examination started
Nov 24, 2016
Amended claims filed after receipt of (European) search report
Nov 24, 2016
Amended claims with annotations
Nov 24, 2016
Amendments received before examination
Jun 7, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 20, 2016
Communication regarding the transmission of the European search report
May 20, 2016
European search opinion
May 20, 2016
Information on Search Strategy
May 20, 2016
Supplementary European search report
Oct 30, 2015
Communication to designated inventor
Oct 30, 2015
Communication to designated inventor
Oct 30, 2015
Communication to designated inventor
Oct 13, 2015
Copy of the international preliminary report on patentability
Oct 13, 2015
Translation of the international preliminary report on patentability
Jul 22, 2015
Notification of forthcoming publication
Jun 24, 2015
Communication regarding possible amendment of the application/payment of claims fee
May 11, 2015
(Electronic) Receipt
May 11, 2015
Abstract
May 11, 2015
Amended claims filed after receipt of (European) search report
May 11, 2015
Claims
May 11, 2015
Description
May 11, 2015
Drawings
May 11, 2015
Matter concerning the application
May 11, 2015
Request for entry into the European phase
Oct 2, 2014
Copy of the international search report
Oct 2, 2014
Copy of the translated international search report
Oct 2, 2014
International publication pamphlet

EP2907864

DIC

Application Number: EP13879958A
Filing Date: Mar 26, 2013
Status: Patent Maintained As Amended; Apr 15, 2022
Publication Date: May 18, 2022
External Links: Slate, Register , Google Patents

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Liquid Crystal Composition And Liquid Crystal Display Element Using This Composition

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Dossier Documents

EP2907864