Liquid Crystal Composition And Liquid Crystal Display Element

Patent No. EP2380947 (titled "Liquid Crystal Composition And Liquid Crystal Display Element") was filed by Chisso Petrochemical on Jan 15, 2010. The application was issued on Aug 12, 2015.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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	May 12, 2016	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

Jun 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 25, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 24, 2019
(Electronic) Receipt
Jun 24, 2019
Letter accompanying subsequently filed items
Jun 24, 2019
Request for change of opponent's representative
Jun 19, 2019
Termination of the opposition proceedings with revocation of patent
Mar 22, 2019
Advice of delivery
Mar 12, 2019
Advice of delivery
Mar 8, 2019
Acknowledgement of a document
Mar 8, 2019
Acknowledgement of a document
Mar 8, 2019
Decision of the Opposition Division and instruction
Mar 8, 2019
Decision revoking the European patent
Mar 8, 2019
Grounds for the decision (Annex) - opposition
Mar 8, 2019
Internal form - Opposition/addressees
Mar 8, 2019
Means of redress
Mar 7, 2019
Annex to the communication - opposition
Mar 7, 2019
Internal form - Opposition/addressees
Mar 7, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 7, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 7, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 7, 2019
Provision of a copy of the minutes - opposition procedure
Mar 7, 2019
Scanned annex to a communication - opposition procedure
Jan 30, 2019
Information about the result of oral proceedings
Jan 28, 2019
Brief communication - Opposition proceedings
Jan 24, 2019
(Electronic) Receipt
Jan 24, 2019
Letter accompanying subsequently filed items
Jan 24, 2019
Patent document cited during the opposition procedure
Jan 24, 2019
Written submission in preparation to/during oral proceedings
Dec 21, 2018
Brief communication - Opposition proceedings
Dec 18, 2018
(Electronic) Receipt
Dec 18, 2018
Letter accompanying subsequently filed items
Dec 18, 2018
Written submission in preparation to/during oral proceedings
Dec 6, 2018
Brief communication - Opposition proceedings
Dec 4, 2018
Brief communication - Opposition proceedings
Dec 4, 2018
Brief communication - Opposition proceedings
Nov 30, 2018
(Electronic) Receipt
Nov 30, 2018
Letter accompanying subsequently filed items
Nov 30, 2018
Letter regarding the opposition procedure (no time limit)
Nov 29, 2018
(Electronic) Receipt
Nov 29, 2018
Amended claims with annotations
Nov 29, 2018
Amended claims with annotations
Nov 29, 2018
Amended claims with annotations
Nov 29, 2018
Citation in opposition procedure
Nov 29, 2018
Claims
Nov 29, 2018
Claims
Nov 29, 2018
Claims
Nov 29, 2018
Letter accompanying subsequently filed items
Nov 29, 2018
Letter regarding the opposition procedure (no time limit)
Nov 29, 2018
Patent document cited during the opposition procedure
Nov 29, 2018
Patent document cited during the opposition procedure
Nov 29, 2018
Patent document cited during the opposition procedure
Nov 29, 2018
Patent document cited during the opposition procedure
Nov 29, 2018
Patent document cited during the opposition procedure
Nov 28, 2018
(Electronic) Receipt
Nov 28, 2018
Letter accompanying subsequently filed items
Nov 28, 2018
Request for interpreters during oral proceedings
Nov 6, 2018
Brief communication - Opposition proceedings
Oct 29, 2018
(Electronic) Receipt
Oct 29, 2018
Letter accompanying subsequently filed items
Oct 29, 2018
Request for interpreters during oral proceedings
Sep 17, 2018
Brief communication - Opposition proceedings
Sep 10, 2018
(Electronic) Receipt
Sep 10, 2018
Letter accompanying subsequently filed items
Sep 10, 2018
Letter regarding the opposition procedure (no time limit)
Sep 10, 2018
Patent document cited during the opposition procedure
Sep 10, 2018
Patent document cited during the opposition procedure
Sep 10, 2018
Patent document cited during the opposition procedure
Sep 10, 2018
Translation of the evidence during Opposition procedure
Jun 21, 2018
Advice of delivery
Jun 20, 2018
Advice of delivery
Jun 18, 2018
Acknowledgement of a document
Jun 18, 2018
Acknowledgement of a document
Jun 18, 2018
Annex to the communication - opposition
Jun 18, 2018
Information concerning oral proceedings
Jun 18, 2018
Preparation for oral proceedings
Jun 18, 2018
Summons to attend oral proceedings
Jun 18, 2018
Summons to attend oral proceedings
Mar 7, 2018
Brief communication - Opposition proceedings
Feb 15, 2018
(Electronic) Receipt
Feb 15, 2018
Any annexes (other than citation) to an opposition letter
Feb 15, 2018
Letter accompanying subsequently filed items
Feb 15, 2018
Letter regarding the opposition procedure (no time limit)
Dec 21, 2017
Annex to the communication - opposition
Dec 21, 2017
Internal form - Opposition/addressees
Nov 6, 2017
Brief communication - Opposition proceedings
Oct 26, 2017
Brief communication - Opposition proceedings
Oct 20, 2017
(Electronic) Receipt
Oct 20, 2017
Any annexes (other than citation) to an opposition letter
Oct 20, 2017
Reply to communication on stay of proceedigs (referral to the Enlarged Board of Appeal)
Jun 12, 2017
Annex to the communication - opposition
Jun 12, 2017
Brief communication - Opposition proceedings
Jun 12, 2017
Intention to stay proceedings because of a referral to the Enlarged Board of Appeal
Jun 12, 2017
Internal form - Opposition/addressees
Jun 9, 2017
Notification concerning the date of oral proceedings
Jun 9, 2017
Notification concerning the date of oral proceedings
Jun 7, 2017
(Electronic) Receipt
Jun 7, 2017
Letter accompanying subsequently filed items
Jun 7, 2017
Letter regarding the opposition procedure (no time limit)
May 15, 2017
Brief communication - Opposition proceedings
May 9, 2017
(Electronic) Receipt
May 9, 2017
Letter accompanying subsequently filed items
May 9, 2017
Letter regarding the opposition procedure (no time limit)
Mar 29, 2017
Brief communication - Opposition proceedings
Feb 21, 2017
Advice of delivery
Feb 17, 2017
(Electronic) Receipt
Feb 17, 2017
Advice of delivery
Feb 17, 2017
Letter accompanying subsequently filed items
Feb 17, 2017
Letter regarding the opposition procedure (no time limit)
Feb 14, 2017
Acknowledgement of a document
Feb 14, 2017
Acknowledgement of a document
Feb 14, 2017
Annex to the communication - opposition
Feb 14, 2017
Information concerning oral proceedings
Feb 14, 2017
Summons to attend oral proceedings
Feb 14, 2017
Summons to attend oral proceedings
Feb 10, 2017
Preparation for oral proceedings
Feb 9, 2017
Information about the result of oral proceedings
Feb 8, 2017
Brief communication - Opposition proceedings
Feb 7, 2017
Brief communication - Opposition proceedings
Oct 17, 2016
Brief communication - Opposition proceedings
Oct 11, 2016
(Electronic) Receipt
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Amended claims with annotations
Oct 11, 2016
Auxiliary request during Opposition procedure
Oct 11, 2016
Letter accompanying subsequently filed items
Oct 11, 2016
Main request during Opposition procedure
Oct 11, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jun 21, 2016
Communication of a notice of opposition and request to file observations
Jun 21, 2016
Notice of further oppositions to opponent(s)
May 30, 2016
Communication of a notice of opposition - first information to patent proprietor
May 12, 2016
(Electronic) Receipt
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Non-patent literature cited during the opposition procedure
May 12, 2016
Notice of opposition
May 12, 2016
Notice of opposition
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
May 12, 2016
Patent document cited during the opposition procedure
Aug 12, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 16, 2015
Decision to grant a European patent
Jun 30, 2015
(Electronic) Receipt
Jun 30, 2015
Filing of the translations of the claims
Jun 30, 2015
French translation of claims
Jun 30, 2015
German translation of the claims
Jun 30, 2015
Letter accompanying subsequently filed items
Apr 15, 2015
Bibliographic data of the European patent application
Apr 15, 2015
Communication about intention to grant a European patent
Apr 15, 2015
Intention to grant (signatures)
Apr 15, 2015
Text intended for grant (clean copy)
Apr 15, 2015
Text intended for grant (version for approval)
Mar 30, 2015
Decision to allow further processing
Mar 30, 2015
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 13, 2015
(Electronic) Receipt
Mar 13, 2015
(Electronic) Receipt
Mar 13, 2015
Abstract
Mar 13, 2015
Claims
Mar 13, 2015
Claims
Mar 13, 2015
Description
Mar 13, 2015
Letter accompanying subsequently filed items
Mar 13, 2015
Letter accompanying subsequently filed items
Mar 13, 2015
Letter concerning fees and payments
Mar 13, 2015
Non-patent literature cited during the examination procedure
Mar 13, 2015
Request for further processing
Oct 8, 2014
Bibliographic data of the European patent application
Oct 8, 2014
Communication about intention to grant a European patent
Oct 8, 2014
Intention to grant (signatures)
Oct 8, 2014
Text intended for grant (clean copy)
Oct 8, 2014
Text intended for grant (version for approval)
Aug 15, 2014
(Electronic) Receipt
Aug 15, 2014
Amended description with annotations
Aug 15, 2014
Description
Aug 15, 2014
Letter accompanying subsequently filed items
Aug 15, 2014
Reply to communication from the Examining Division
Jun 12, 2014
Annex to the communication
Jun 12, 2014
Communication from the Examining Division
Jun 6, 2014
Examination started
Apr 17, 2014
(Electronic) Receipt
Apr 17, 2014
Amended claims filed after receipt of (European) search report
Apr 17, 2014
Amended claims filed after receipt of (European) search report
Apr 17, 2014
Amended description filed after receipt of (European) search report
Apr 17, 2014
Amended description with annotations
Apr 17, 2014
Amendments received before examination
Apr 17, 2014
Letter accompanying subsequently filed items
Feb 6, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 20, 2014
Communication regarding the transmission of the European search report
Jan 20, 2014
European search opinion
Jan 20, 2014
Supplementary European search report
Dec 17, 2013
Search started
Feb 23, 2012
Communication of the registration of a transfer or change of name and/or address
Feb 9, 2012
Submission concerning change of applicant's name
Jan 20, 2012
Submission concerning change of applicant's name
Jan 5, 2012
Submission concerning change of applicant's name
Sep 28, 2011
Notification of forthcoming publication
Sep 10, 2011
Submission concerning representation
Aug 23, 2011
Translation of the international preliminary report on patentability
Aug 12, 2011
Communication regarding possible amendment of the application/payment of claims fee
Aug 8, 2011
Copy of the international preliminary report on patentability
Jul 14, 2011
(Electronic) Receipt
Jul 14, 2011
Abstract
Jul 14, 2011
Amended claims filed after receipt of (European) search report
Jul 14, 2011
Amendments received before examination
Jul 14, 2011
Claims
Jul 14, 2011
Description
Jul 14, 2011
Request for entry into the European phase
Jul 14, 2011
Submission concerning representation
Jun 7, 2011
Information on entry into European phase
Apr 12, 2011
Notification of the recording of a change
Apr 12, 2011
Notification of the recording of a change
Aug 18, 2010
Priority document (electronically transmitted)
Aug 18, 2010
Priority document (electronically transmitted)
Jul 29, 2010
Copy of the international search report
Jul 29, 2010
Copy of the translated international search report
Jul 29, 2010
International publication pamphlet

EP2380947

CHISSO PETROCHEMICAL

Application Number: EP10733430A
Filing Date: Jan 15, 2010
Status: Revoked; Jun 21, 2019
Publication Date: Aug 12, 2015
External Links: Slate, Register , Google Patents

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Liquid Crystal Composition And Liquid Crystal Display Element

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2380947