Composition And Organic Optoelectric Device And Display Device

Patent No. EP2821459 (titled "Composition And Organic Optoelectric Device And Display Device") was filed by Cheil Industries on Dec 6, 2013. The application was issued on Oct 4, 2017.

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
DEHNS	Jun 25, 2018	KRAUS & LEDERER PARTGMBB

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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Sep 11, 2025
Annex to the communication - opposition
Sep 11, 2025
Brief communication - Opposition proceedings
Sep 11, 2025
Brief communication - Opposition proceedings
Sep 11, 2025
Communication inviting the parties to file observations
Sep 11, 2025
Communication inviting the parties to file observations
Sep 11, 2025
Scanned annex to a communication - opposition procedure
Jun 18, 2025
Brief communication - Opposition proceedings
Jun 13, 2025
(Electronic) Receipt
Jun 13, 2025
Any annexes (other than citation) to an opposition letter
Jun 13, 2025
Any annexes (other than citation) to an opposition letter
Jun 13, 2025
Letter accompanying subsequently filed items
Jun 13, 2025
Reply to an examination report in opposition proceedings
May 26, 2025
Annex to the communication - opposition
May 26, 2025
Brief communication - Opposition proceedings
May 26, 2025
Brief communication - Opposition proceedings
May 26, 2025
Communication inviting the parties to file observations
May 26, 2025
Communication inviting the parties to file observations
Dec 18, 2024
Brief communication - Opposition proceedings
Dec 18, 2024
Brief communication - Opposition proceedings
Dec 18, 2024
Communication inviting the parties to file observations
Dec 18, 2024
Communication inviting the parties to file observations
Oct 4, 2024
Brief communication - Opposition proceedings
Sep 30, 2024
(Electronic) Receipt
Sep 30, 2024
Amended description with annotations
Sep 30, 2024
Description
Sep 30, 2024
Letter accompanying subsequently filed items
Sep 30, 2024
Reply to an examination report in opposition proceedings
May 29, 2024
Annex to the communication - opposition
May 29, 2024
Brief communication - Opposition proceedings
May 29, 2024
Brief communication - Opposition proceedings
May 29, 2024
Communication inviting the parties to file observations
May 29, 2024
Communication inviting the parties to file observations
Apr 15, 2024
Decision of the Board of Appeal
Apr 15, 2024
F3032 Notification(s) of the decision
Apr 15, 2024
F3032 Notification(s) of the decision
Feb 6, 2024
F3013 Oral Proceedings: Forwarding minutes
Feb 6, 2024
F3013 Oral Proceedings: Forwarding minutes
Feb 6, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 19, 2024
F3022 Oral proceedings: change of board composition
Jan 19, 2024
F3022 Oral proceedings: change of board composition
Jan 19, 2024
F3303.16 Change of composition of the Board (T)
Sep 13, 2023
(Electronic) Receipt
Sep 13, 2023
Letter accompanying subsequently filed items
Aug 11, 2023
F3345 Forwarding of submissions to parties
Aug 11, 2023
Oral proceedings: change of venue
Aug 11, 2023
Oral proceedings: change of venue
Aug 9, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 9, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 8, 2023
(Electronic) Receipt
Aug 8, 2023
Letter accompanying subsequently filed items
Aug 8, 2023
Letter dealing with oral proceedings during the appeal procedure
Aug 7, 2023
F3345 Forwarding of submissions to parties
Aug 1, 2023
(Electronic) Receipt
Aug 1, 2023
Letter accompanying subsequently filed items
Aug 1, 2023
Letter dealing with oral proceedings during the appeal procedure
Jul 6, 2023
F3011.1 Oral Proceedings: summons
Jul 6, 2023
F3011.1 Oral Proceedings: summons
Jul 3, 2023
F3010 Oral proceedings: order for summons
May 3, 2022
F3345 Forwarding of submissions to parties
Apr 27, 2022
(Electronic) Receipt
Apr 27, 2022
Letter accompanying subsequently filed items
Apr 27, 2022
Letter relating to Appeal Procedure
Apr 6, 2022
Document concerning representation
Mar 17, 2022
F3345 Forwarding of submissions to parties
Mar 11, 2022
(Electronic) Receipt
Mar 11, 2022
Letter accompanying subsequently filed items
Mar 11, 2022
Letter relating to Appeal Procedure
Feb 24, 2022
F3345 Forwarding of submissions to parties
Feb 17, 2022
(Electronic) Receipt
Feb 17, 2022
Letter accompanying subsequently filed items
Feb 17, 2022
Letter dealing with oral proceedings during the appeal procedure
Jan 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 8, 2020
Composition of the board (T)
Oct 27, 2020
F3345 Forwarding of submissions to parties
Oct 20, 2020
(Electronic) Receipt
Oct 20, 2020
Amended claims with annotations
Oct 20, 2020
Amended claims with annotations
Oct 20, 2020
Amended claims with annotations
Oct 20, 2020
Amended claims with annotations
Oct 20, 2020
Amended claims with annotations
Oct 20, 2020
Amended claims with annotations
Oct 20, 2020
Auxiliary request during appeals procedure - 01
Oct 20, 2020
Auxiliary request during appeals procedure - 02
Oct 20, 2020
Auxiliary request during appeals procedure - 03
Oct 20, 2020
Auxiliary request during appeals procedure - 04
Oct 20, 2020
Auxiliary request during appeals procedure - 05
Oct 20, 2020
Auxiliary request during appeals procedure - 06
Oct 20, 2020
Letter regarding the opposition procedure (no time limit)
Oct 20, 2020
Non-Patent Literature cited during the appeal procedure
Oct 20, 2020
Reply to appeal
Jun 10, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 29, 2020
Non-Patent Literature cited during the appeal procedure
May 29, 2020
Statement of grounds of appeal
Apr 6, 2020
F3204 Communication of the file number to the parties
Apr 6, 2020
F3204 Communication of the file number to the parties
Apr 2, 2020
Communication of amended entries
Apr 2, 2020
Communication of amended entries
Mar 30, 2020
(Electronic) Receipt
Mar 30, 2020
(Electronic) Receipt
Mar 30, 2020
Letter accompanying subsequently filed items
Mar 30, 2020
Letter accompanying subsequently filed items
Mar 30, 2020
Notice of appeal
Mar 30, 2020
Request for change of opponent's representative
Feb 4, 2020
Advice of delivery
Jan 23, 2020
Advice of delivery
Jan 20, 2020
Acknowledgement of a document
Jan 20, 2020
Acknowledgement of a document
Jan 20, 2020
Annex to the communication - opposition
Jan 20, 2020
Decision of the Opposition Division and instruction
Jan 20, 2020
Druckexemplar in opposition procedure
Jan 20, 2020
Grounds for the decision (Annex) - opposition
Jan 20, 2020
Interlocutory decision in opposition proceedings
Jan 20, 2020
Internal form - Opposition/addressees
Jan 20, 2020
Internal form - Opposition/addressees
Jan 20, 2020
Means of redress
Jan 20, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 20, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 20, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 20, 2020
Provision of a copy of the minutes - opposition procedure
Jan 20, 2020
Scanned annex to a communication - opposition procedure
Dec 3, 2019
Information about the result of oral proceedings
Nov 26, 2019
Brief communication - Opposition proceedings
Nov 26, 2019
Brief communication - Opposition proceedings
Nov 22, 2019
Brief communication - Opposition proceedings
Nov 20, 2019
(Electronic) Receipt
Nov 20, 2019
Letter accompanying subsequently filed items
Nov 20, 2019
Written submission in preparation to/during oral proceedings
Nov 19, 2019
(Electronic) Receipt
Nov 19, 2019
Letter accompanying subsequently filed items
Nov 19, 2019
Written submission in preparation to/during oral proceedings
Nov 18, 2019
(Electronic) Receipt
Nov 18, 2019
Citation in opposition procedure - 008
Nov 18, 2019
Claims
Nov 18, 2019
Letter accompanying subsequently filed items
Nov 18, 2019
Written submission in preparation to/during oral proceedings
Nov 6, 2019
(Electronic) Receipt
Nov 6, 2019
Letter accompanying subsequently filed items
Nov 6, 2019
Request for interpreters during oral proceedings
Oct 11, 2019
(Electronic) Receipt
Oct 11, 2019
Letter accompanying subsequently filed items
Oct 11, 2019
Request for interpreters during oral proceedings
Oct 8, 2019
Brief communication - Opposition proceedings
Oct 8, 2019
Brief communication - Opposition proceedings
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Letter accompanying subsequently filed items
Oct 2, 2019
Written submission in preparation to/during oral proceedings
Oct 1, 2019
(Electronic) Receipt
Oct 1, 2019
Letter accompanying subsequently filed items
Oct 1, 2019
Written submission in preparation to/during oral proceedings
Apr 9, 2019
Advice of delivery
Apr 2, 2019
Advice of delivery
Mar 28, 2019
Advice of delivery
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 25, 2019
Acknowledgement of a document
Mar 25, 2019
Acknowledgement of a document
Mar 25, 2019
Annex to the communication - opposition
Mar 25, 2019
Information concerning oral proceedings
Mar 25, 2019
Summons to attend oral proceedings
Mar 25, 2019
Summons to attend oral proceedings
Mar 20, 2019
(Electronic) Receipt
Mar 20, 2019
Letter accompanying subsequently filed items
Mar 20, 2019
Written submission in preparation to/during oral proceedings
Nov 26, 2018
Brief communication - Opposition proceedings
Nov 19, 2018
(Electronic) Receipt
Nov 19, 2018
Claims
Nov 19, 2018
Letter accompanying subsequently filed items
Nov 19, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 19, 2018
Communication of a notice of opposition and request to file observations
Jul 19, 2018
Notice of further oppositions to opponent(s)
Jun 29, 2018
Communication of a notice of opposition - first information to patent proprietor
Jun 25, 2018
(Electronic) Receipt
Jun 25, 2018
Citation in opposition procedure - 001
Jun 25, 2018
Citation in opposition procedure - 002
Jun 25, 2018
Citation in opposition procedure - 003
Jun 25, 2018
Citation in opposition procedure - 004
Jun 25, 2018
Citation in opposition procedure - 005
Jun 25, 2018
Citation in opposition procedure - 006
Jun 25, 2018
Citation in opposition procedure - 007
Jun 25, 2018
Notice of opposition
Jun 25, 2018
Notice of opposition
Jun 25, 2018
Translation of the evidence during Opposition procedure
Jun 25, 2018
Translation of the evidence during Opposition procedure
Oct 12, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 7, 2017
Decision to grant a European patent
Aug 23, 2017
Filing of the translations of the claims
Jul 31, 2017
Bibliographic data of the European patent application
Jul 31, 2017
Communication about intention to grant a European patent
Jul 31, 2017
Intention to grant (signatures)
Jul 31, 2017
Text intended for grant (clean copy)
Jul 31, 2017
Text intended for grant (version for approval)
Jul 12, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jun 8, 2017
(Electronic) Receipt
Jun 8, 2017
(Electronic) Receipt
Jun 8, 2017
French translation of claims
Jun 8, 2017
German translation of the claims
Jun 8, 2017
Letter accompanying subsequently filed items
Jun 8, 2017
Letter concerning the inventor
Jun 8, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 27, 2017
Bibliographic data of the European patent application
Feb 27, 2017
Communication about intention to grant a European patent
Feb 27, 2017
Intention to grant (signatures)
Feb 27, 2017
Text intended for grant (clean copy)
Feb 27, 2017
Text intended for grant (version for approval)
Oct 11, 2016
Transmittal of third party observations to applicant
Sep 29, 2016
Observations by third parties
Sep 29, 2016
Patent document filed by a Third party
Sep 29, 2016
Patent document filed by a Third party
Sep 29, 2016
Patent document filed by a Third party
Aug 23, 2016
(Electronic) Receipt
Aug 23, 2016
Claims
Aug 23, 2016
Description
Aug 23, 2016
Description
Aug 23, 2016
Letter accompanying subsequently filed items
Aug 23, 2016
Reply to communication from the Examining Division
Apr 26, 2016
Annex to the communication
Apr 26, 2016
Communication from the Examining Division
Apr 14, 2016
Examination started
Jul 27, 2015
Amended claims filed after receipt of (European) search report
Jul 27, 2015
Amendments received before examination
Jul 27, 2015
Payment of fees and costs
Jul 27, 2015
Payment of fees and costs
Feb 2, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jan 8, 2015
Communication regarding the transmission of the European search report
Jan 8, 2015
European search opinion
Jan 8, 2015
European search report
Dec 10, 2014
Notification of forthcoming publication
Dec 10, 2014
Search started
Feb 7, 2014
Priority document (electronically transmitted)
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Jan 29, 2014
Communication to designated inventor
Dec 6, 2013
(Electronic) Receipt
Dec 6, 2013
Abstract
Dec 6, 2013
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Dec 6, 2013
Claims
Dec 6, 2013
Description
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Designation of inventor
Dec 6, 2013
Drawings
Dec 6, 2013
Letter accompanying subsequently filed items
Dec 6, 2013
Request for grant of a European patent

EP2821459

CHEIL INDUSTRIES

Application Number: EP13196046A
Filing Date: Dec 6, 2013
Status: Granted And Under Opposition; Sep 1, 2017
Publication Date: Oct 4, 2017
External Links: Slate, Register , Google Patents

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Composition And Organic Optoelectric Device And Display Device

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Dossier Documents

EP2821459