Zirconia-Based Porous Body And Method For Producing Same

Patent No. EP3085667 (titled "Zirconia-Based Porous Body And Method For Producing Same") was filed by Daiichi Kigenso Kagaku Kogyo on Apr 25, 2014. The application was issued on Oct 9, 2019.

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
NEO CHEMICALS & OXIDES EUROPE	Jul 9, 2020	BIRD & BIRD

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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Dec 18, 2025
Decision to maintain the European patent in amended form
Dec 18, 2025
Decision to maintain the European patent in amended form
Dec 4, 2025
(Electronic) Receipt
Dec 4, 2025
Filing of the translation of the amended claims
Dec 4, 2025
French translation of claims
Dec 4, 2025
German translation of the claims
Dec 4, 2025
Letter accompanying subsequently filed items
Sep 4, 2025
Communication of bibliographic data
Sep 4, 2025
Communication to opponent concerning maintenance
Sep 4, 2025
Communication with request to file translations
Aug 28, 2025
Maintenance of the patent with the documents specified in the final decision
Aug 13, 2025
Maintenance of the patent with the documents specified in the final decision
May 12, 2025
Brief communication - Opposition proceedings
May 12, 2025
Brief communication - Opposition proceedings
May 12, 2025
Druckexemplar in opposition procedure
May 12, 2025
Grounds for the decision (Annex) - opposition
May 12, 2025
Interlocutory decision in opposition proceedings
May 12, 2025
Interlocutory decision in opposition proceedings
May 12, 2025
Means of redress
May 8, 2025
Decision of the Opposition Division and instruction
Jan 31, 2025
Brief communication - Opposition proceedings
Jan 27, 2025
(Electronic) Receipt
Jan 27, 2025
Letter accompanying subsequently filed items
Jan 27, 2025
Reply to an examination report in opposition proceedings
Jan 22, 2025
Brief communication - Opposition proceedings
Jan 22, 2025
Brief communication - Opposition proceedings
Jan 22, 2025
Communication inviting the parties to file observations
Jan 22, 2025
Communication inviting the parties to file observations
Jan 22, 2025
Scanned annex to a communication - opposition procedure
Oct 16, 2024
Brief communication - Opposition proceedings
Oct 9, 2024
(Electronic) Receipt
Oct 9, 2024
Amended description with annotations
Oct 9, 2024
Clean copy of description pages in the opposition procedure
Oct 9, 2024
Letter accompanying subsequently filed items
Oct 9, 2024
Reply to an examination report in opposition proceedings
Jul 3, 2024
Annex to the communication - opposition
Jul 3, 2024
Brief communication - Opposition proceedings
Jul 3, 2024
Brief communication - Opposition proceedings
Jul 3, 2024
Communication inviting the parties to file observations
Jul 3, 2024
Communication inviting the parties to file observations
Apr 4, 2024
Decision of the Board of Appeal
Apr 4, 2024
F3032 Notification(s) of the decision
Apr 4, 2024
F3032 Notification(s) of the decision
Jan 19, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 19, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 19, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 3, 2024
Communication of amended entries concerning the representative
Jan 3, 2024
F3345 Forwarding of submissions to parties
Dec 20, 2023
F3345 Forwarding of submissions to parties
Dec 19, 2023
F3345 Forwarding of submissions to parties
Dec 18, 2023
F3345 Forwarding of submissions to parties
Dec 15, 2023
(Electronic) Receipt
Dec 15, 2023
Letter accompanying subsequently filed items
Dec 15, 2023
Letter dealing with oral proceedings
Dec 13, 2023
(Electronic) Receipt
Dec 13, 2023
Letter accompanying subsequently filed items
Dec 13, 2023
Request for interpreters during oral proceedings
Dec 12, 2023
(Electronic) Receipt
Dec 12, 2023
Letter accompanying subsequently filed items
Dec 12, 2023
Letter accompanying subsequently filed items
Dec 12, 2023
Letter dealing with oral proceedings during the appeal procedure
Dec 12, 2023
Submission concerning change of applicant's representative
Nov 15, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 15, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 31, 2023
Advice of delivery
Jul 18, 2023
Advice of delivery
Jul 14, 2023
F3011.2 Oral Proceedings: Summons VICO
Jul 14, 2023
F3011.2 Oral Proceedings: Summons VICO
Jul 11, 2023
F3010 Oral proceedings: order for summons
May 19, 2023
F3345 Forwarding of submissions to parties
May 12, 2023
(Electronic) Receipt
May 12, 2023
Letter accompanying subsequently filed items
May 12, 2023
Letter relating to Appeal Procedure
Apr 28, 2023
Advice of delivery
Apr 25, 2023
Advice of delivery
Apr 21, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 21, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Apr 18, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Apr 6, 2023
F3345 Forwarding of submissions to parties
Apr 3, 2023
(Electronic) Receipt
Apr 3, 2023
Advice of delivery
Apr 3, 2023
Letter accompanying subsequently filed items
Apr 3, 2023
Oral proceedings: Request for postponement
Mar 29, 2023
F3004 Communication of the Registry
Mar 29, 2023
F3004 Communication of the Registry
Mar 29, 2023
F3011.2 Oral Proceedings: Summons VICO
Mar 29, 2023
F3011.2 Oral Proceedings: Summons VICO
Mar 21, 2023
F3010 Oral proceedings: order for summons
Jan 13, 2023
F3345 Forwarding of submissions to parties
Jan 10, 2023
(Electronic) Receipt
Jan 10, 2023
Letter accompanying subsequently filed items
Jan 10, 2023
Letter relating to Appeal Procedure
Dec 2, 2022
F3345 Forwarding of submissions to parties
Nov 29, 2022
(Electronic) Receipt
Nov 29, 2022
Auxiliary request during appeals procedure - 01
Nov 29, 2022
Auxiliary request during appeals procedure - 02
Nov 29, 2022
Cited document during appeal procedure
Nov 29, 2022
Letter accompanying subsequently filed items
Nov 29, 2022
Reply to appeal
Aug 3, 2022
Composition of the board (T)
Jul 22, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 19, 2022
(Electronic) Receipt
Jul 19, 2022
Citation in appeal procedure - 013
Jul 19, 2022
Citation in appeal procedure - 014
Jul 19, 2022
Letter accompanying subsequently filed items
Jul 19, 2022
Statement of grounds of appeal
May 17, 2022
F3204 Communication of the file number to the parties
May 17, 2022
F3204 Communication of the file number to the parties
May 16, 2022
Communication of amended entries
May 11, 2022
(Electronic) Receipt
May 11, 2022
Letter accompanying subsequently filed items
May 11, 2022
Notice of appeal
Mar 14, 2022
Advice of delivery
Mar 11, 2022
Advice of delivery
Mar 10, 2022
Decision rejecting the opposition
Mar 10, 2022
Transmittal of decision / summons - opposition
Mar 10, 2022
Transmittal of decision / summons - opposition
Feb 9, 2022
Information about the result of oral proceedings
Feb 4, 2022
Brief communication - Opposition proceedings
Jan 31, 2022
(Electronic) Receipt
Jan 31, 2022
Citation in opposition procedure - 011
Jan 31, 2022
Citation in opposition procedure - 012
Jan 31, 2022
Consolidated list of cited opposition documents
Jan 31, 2022
Letter accompanying subsequently filed items
Jan 31, 2022
Written submission in preparation to/during oral proceedings
Jan 12, 2022
Brief communication - Opposition proceedings
Jan 5, 2022
(Electronic) Receipt
Jan 5, 2022
Letter accompanying subsequently filed items
Jan 5, 2022
Written submission in preparation to/during oral proceedings
Dec 14, 2021
Brief communication - Opposition proceedings
Dec 14, 2021
Brief communication - Opposition proceedings
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
Citation in opposition procedure - 003
Dec 9, 2021
Citation in opposition procedure - 007
Dec 9, 2021
Citation in opposition procedure - 008
Dec 9, 2021
Citation in opposition procedure - 009
Dec 9, 2021
Citation in opposition procedure - 010
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 9, 2021
Non-public annex
Dec 9, 2021
Request for interpreters during oral proceedings
Dec 9, 2021
Request for interpreters during oral proceedings
Dec 9, 2021
Written submission in preparation to/during oral proceedings
Dec 1, 2021
Notification concerning the date of oral proceedings
Dec 1, 2021
Notification concerning the date of oral proceedings
Mar 11, 2021
Advice of delivery
Mar 5, 2021
Advice of delivery
Mar 1, 2021
Annex to the communication - opposition
Mar 1, 2021
Information concerning oral proceedings
Mar 1, 2021
Summons to attend oral proceedings
Mar 1, 2021
Summons to attend oral proceedings
Mar 1, 2021
Transmittal of decision / summons - opposition
Mar 1, 2021
Transmittal of decision / summons - opposition
Dec 15, 2020
Communication of amended entries concerning the representative
Dec 9, 2020
Submission concerning change of applicant's representative
Nov 24, 2020
Brief communication - Opposition proceedings
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
Auxiliary request during Opposition procedure
Nov 19, 2020
Auxiliary request during Opposition procedure
Nov 19, 2020
Auxiliary request during Opposition procedure - 01
Nov 19, 2020
Auxiliary request during Opposition procedure - 02
Nov 19, 2020
Letter accompanying subsequently filed items
Nov 19, 2020
Reply of the patent proprietor to the notice(s) of opposition
Aug 14, 2020
(Electronic) Receipt
Aug 14, 2020
Authorisation
Aug 14, 2020
Letter accompanying subsequently filed items
Jul 24, 2020
Brief communication - Opposition proceedings
Jul 24, 2020
Communication confirming withdrawal from representation
Jul 24, 2020
Communication of amended entries concerning the representative
Jul 23, 2020
(Electronic) Receipt
Jul 23, 2020
Communication of a notice of opposition and request to file observations
Jul 23, 2020
Letter accompanying subsequently filed items
Jul 23, 2020
Notice of further oppositions to opponent(s)
Jul 23, 2020
Submission concerning change of proprietor's representative
Jul 21, 2020
(Electronic) Receipt
Jul 21, 2020
Letter accompanying subsequently filed items
Jul 21, 2020
Submission concerning change of proprietor's representative
Jul 15, 2020
Communication of a notice of opposition - first information to patent proprietor
Jul 9, 2020
(Electronic) Receipt
Jul 9, 2020
Citation in opposition procedure - 001
Jul 9, 2020
Citation in opposition procedure - 001
Jul 9, 2020
Citation in opposition procedure - 001
Jul 9, 2020
Citation in opposition procedure - 001
Jul 9, 2020
Citation in opposition procedure - 001
Jul 9, 2020
Citation in opposition procedure - 001
Jul 9, 2020
Citation in opposition procedure - 002
Jul 9, 2020
Citation in opposition procedure - 003
Jul 9, 2020
Citation in opposition procedure - 004
Jul 9, 2020
Citation in opposition procedure - 004
Jul 9, 2020
Citation in opposition procedure - 004
Jul 9, 2020
Citation in opposition procedure - 004
Jul 9, 2020
Citation in opposition procedure - 005
Jul 9, 2020
Citation in opposition procedure - 006
Jul 9, 2020
Notice of opposition
Jul 9, 2020
Notice of opposition
Jul 9, 2020
Patent document cited during the opposition procedure
Oct 21, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 12, 2019
Decision to grant a European patent
Sep 10, 2019
Communication of the registration of a transfer or change of name and/or address
Sep 9, 2019
Communication to designated inventor
Aug 28, 2019
(Electronic) Receipt
Aug 28, 2019
Filing of the translations of the claims
Aug 28, 2019
French translation of claims
Aug 28, 2019
German translation of the claims
Aug 28, 2019
Letter accompanying subsequently filed items
Apr 26, 2019
Bibliographic data of the European patent application
Apr 26, 2019
Communication about intention to grant a European patent
Apr 26, 2019
Intention to grant (signatures)
Apr 26, 2019
Text intended for grant (clean copy)
Apr 26, 2019
Text intended for grant (version for approval)
Jan 31, 2019
(Electronic) Receipt
Jan 31, 2019
Amended description with annotations
Jan 31, 2019
Description
Jan 31, 2019
Letter accompanying subsequently filed items
Jan 31, 2019
Reply to communication from the Examining Division
Jan 18, 2019
Annex to the communication
Jan 18, 2019
Communication from the Examining Division
Jan 18, 2019
Notification concerning the date of oral proceedings
Jan 15, 2019
Annex to the communication
Jan 15, 2019
Consultation by telephone/in person
Jan 15, 2019
Notification concerning the date of oral proceedings
Jan 15, 2019
Result of consultation by telephone/in person
Dec 19, 2018
(Electronic) Receipt
Dec 19, 2018
Letter accompanying subsequently filed items
Dec 19, 2018
Letter dealing with oral proceedings
Aug 1, 2018
Acknowledgement of a document
Jul 25, 2018
Annex to the communication
Jul 25, 2018
Summons to attend oral proceedings
Jul 12, 2018
Preparation for oral proceedings
Mar 14, 2018
(Electronic) Receipt
Mar 14, 2018
Letter accompanying subsequently filed items
Mar 14, 2018
Non-patent literature cited during the examination procedure
Mar 14, 2018
Reply to communication from the Examining Division
Nov 28, 2017
Annex to a communication
Nov 28, 2017
Annex to a communication
Nov 28, 2017
Annex to a communication
Nov 28, 2017
Annex to the communication
Nov 28, 2017
Communication from the Examining Division
Sep 7, 2017
Examination started
Apr 28, 2017
(Electronic) Receipt
Apr 28, 2017
Amendments received before examination
Apr 28, 2017
Letter accompanying subsequently filed items
Apr 28, 2017
Reply to Written Opinion prepared by the EPO
Nov 25, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 8, 2016
Communication regarding the transmission of the European search report
Nov 8, 2016
European search opinion
Nov 8, 2016
Information on Search Strategy
Nov 8, 2016
Supplementary European search report
Nov 3, 2016
Communication to designated inventor
Oct 28, 2016
Search started
Oct 6, 2016
Copy of the international preliminary examination report
Oct 6, 2016
Translation of the international preliminary examination report
Sep 28, 2016
Notification of forthcoming publication
Jul 19, 2016
Translation of the international preliminary examination report
Jul 19, 2016
Transmission of a document (International preliminary examination report)
May 9, 2016
Enquiry with the International Bureau
Mar 17, 2016
Annexes to the international preliminary examination report
Mar 17, 2016
Copy of the international preliminary examination report
Mar 17, 2016
Transmission of a document (International preliminary examination report)
Mar 8, 2016
Enquiry with the International Bureau
Feb 19, 2016
(Electronic) Receipt
Feb 19, 2016
Abstract
Feb 19, 2016
Claims
Feb 19, 2016
Description
Feb 19, 2016
Drawings
Feb 19, 2016
Request for entry into the European phase
Feb 19, 2016
Translation of the annexes to the International Preliminary Examination Report
Oct 21, 2015
Priority document (electronically transmitted)
Oct 6, 2015
Notification of election of EPO
Oct 1, 2015
Copy of the international search report
Oct 1, 2015
Copy of the translated international search report
Oct 1, 2015
International publication pamphlet

EP3085667

DAIICHI KIGENSO KAGAKU KOGYO

Application Number: EP14887437A
Filing Date: Apr 25, 2014
Status: Granted And Under Opposition; Sep 6, 2019
Publication Date: Oct 9, 2019
External Links: Slate, Register , Google Patents

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Zirconia-Based Porous Body And Method For Producing Same

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Dossier Documents

EP3085667