Cerium Oxide Particles And Method For Production Thereof

Patent No. EP3218307 (titled "Cerium Oxide Particles And Method For Production Thereof") was filed by Rhodia Operations on Nov 10, 2015. The application was issued on Jan 8, 2020.

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	Oct 8, 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 11, 2023
Letter relating to the revocation of the automatic debiting procedure
Dec 11, 2023
Request for change of client data cannot be registered anymore
Dec 4, 2023
Annexes in respect of a client data request
Dec 4, 2023
Letter accompanying subsequently filed items
Dec 4, 2023
Submission concerning change of applicant's representative
Sep 27, 2023
Refund of fees
Sep 25, 2023
F3013 Oral Proceedings: Forwarding minutes
Sep 25, 2023
F3013 Oral Proceedings: Forwarding minutes
Sep 25, 2023
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Sep 25, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 25, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Sep 21, 2023
Termination of the opposition proceedings with revocation of patent
Aug 23, 2023
F3345 Forwarding of submissions to parties
Aug 17, 2023
(Electronic) Receipt
Aug 17, 2023
Letter accompanying subsequently filed items
Aug 17, 2023
Letter dealing with oral proceedings during the appeal procedure
Aug 8, 2023
F3345 Forwarding of submissions to parties
Aug 3, 2023
(Electronic) Receipt
Aug 3, 2023
Letter accompanying subsequently filed items
Aug 3, 2023
Letter dealing with oral proceedings during the appeal procedure
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 31, 2023
Advice of delivery
Jul 31, 2023
Advice of delivery
Jul 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 27, 2023
F3345 Forwarding of submissions to parties
Jul 27, 2023
Oral proceedings: change of venue
Jul 27, 2023
Oral proceedings: change of venue
Jul 21, 2023
(Electronic) Receipt
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Letter accompanying subsequently filed items
Jul 21, 2023
Letter dealing with oral proceedings during the appeal procedure
Jul 21, 2023
Main request during appeals procedure
Jul 19, 2023
F3345 Forwarding of submissions to parties
Jul 14, 2023
(Electronic) Receipt
Jul 14, 2023
Letter accompanying subsequently filed items
Jul 14, 2023
Letter dealing with oral proceedings
Jun 23, 2023
Communication concerning the filing of a power of attorney
Jun 23, 2023
Communication of amended entries concerning the representative
Jun 23, 2023
F3345 Forwarding of submissions to parties
Jun 16, 2023
(Electronic) Receipt
Jun 16, 2023
Letter accompanying subsequently filed items (CDR)
Jun 16, 2023
Submission concerning change of proprietor's representative
Jun 15, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 15, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 11, 2023
(Electronic) Receipt
May 11, 2023
Letter accompanying subsequently filed items
May 8, 2023
Advice of delivery
May 4, 2023
F3011.1 Oral Proceedings: summons
May 4, 2023
F3011.1 Oral Proceedings: summons
Apr 28, 2023
F3010 Oral proceedings: order for summons
Apr 28, 2023
F3303.16 Change of composition of the Board (T)
Jan 4, 2023
Communication of amended entries in the Register of European Patents
Jan 4, 2023
F3345 Forwarding of submissions to parties
Dec 23, 2022
(Electronic) Receipt
Dec 23, 2022
Letter accompanying subsequently filed items
Dec 23, 2022
Reply to appeal
Aug 26, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 23, 2022
(Electronic) Receipt
Aug 23, 2022
Amended claims with annotations
Aug 23, 2022
Amended claims with annotations
Aug 23, 2022
Amended claims with annotations
Aug 23, 2022
Amended claims with annotations
Aug 23, 2022
Amended claims with annotations
Aug 23, 2022
Auxiliary request during appeals procedure - 01
Aug 23, 2022
Auxiliary request during appeals procedure - 02
Aug 23, 2022
Auxiliary request during appeals procedure - 03
Aug 23, 2022
Auxiliary request during appeals procedure - 04
Aug 23, 2022
Auxiliary request during appeals procedure - 05
Aug 23, 2022
Letter accompanying subsequently filed items
Aug 23, 2022
Statement of grounds of appeal
Aug 11, 2022
Composition of the board (T)
Jul 25, 2022
Document concerning representation
Jul 25, 2022
Letter accompanying subsequently filed items
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 14, 2022
(Electronic) Receipt
Jun 14, 2022
Letter accompanying subsequently filed items
Jun 14, 2022
Notice of appeal
Jun 13, 2022
Brief communication - Opposition proceedings
Jun 13, 2022
Communication of the registration of a transfer or change of name and/or address
Jun 7, 2022
(Electronic) Receipt
Jun 7, 2022
Letter accompanying subsequently filed items
Jun 7, 2022
Submission concerning change of proprietor's address
Apr 20, 2022
Advice of delivery
Apr 14, 2022
Decision of the Opposition Division and instruction
Apr 14, 2022
Decision revoking the European patent
Apr 14, 2022
Decision revoking the European patent
Apr 14, 2022
Grounds for the decision (Annex) - opposition
Apr 14, 2022
Means of redress
Apr 14, 2022
Transmittal of decision / summons - opposition
Apr 14, 2022
Transmittal of decision / summons - opposition
Apr 13, 2022
Annex to the communication - opposition
Apr 13, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 13, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 13, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 13, 2022
Provision of a copy of the minutes - opposition procedure
Apr 13, 2022
Provision of a copy of the minutes - opposition procedure
Feb 7, 2022
Information about the result of oral proceedings
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 5, 2022
(Electronic) Receipt
Jan 5, 2022
(Electronic) Receipt
Jan 5, 2022
Authorisation
Jan 5, 2022
Letter accompanying subsequently filed items
Jan 5, 2022
Written submission in preparation to/during oral proceedings
Jan 5, 2022
Written submission in preparation to/during oral proceedings
Dec 9, 2021
Brief communication - Opposition proceedings
Dec 7, 2021
Document concerning representation
Dec 6, 2021
(Electronic) Receipt
Dec 6, 2021
Citation in opposition procedure - 011
Dec 6, 2021
Citation in opposition procedure - 012
Dec 6, 2021
Citation in opposition procedure - 013
Dec 6, 2021
Citation in opposition procedure - 014
Dec 6, 2021
Citation in opposition procedure - 015
Dec 6, 2021
Citation in opposition procedure - 016
Dec 6, 2021
Consolidated list of cited opposition documents
Dec 6, 2021
Request for interpreters during oral proceedings
Dec 6, 2021
Written submission in preparation to/during oral proceedings
Dec 2, 2021
Notification concerning the date of oral proceedings
Dec 2, 2021
Notification concerning the date of oral proceedings
Jul 6, 2021
Notification concerning the date of oral proceedings
Jul 6, 2021
Notification concerning the date of oral proceedings
Jun 29, 2021
Advice of delivery
Jun 28, 2021
Information concerning oral proceedings
Jun 28, 2021
Summons to attend oral proceedings
Jun 28, 2021
Summons to attend oral proceedings
Jun 28, 2021
Transmittal of decision / summons - opposition
Jun 28, 2021
Transmittal of decision / summons - opposition
Jun 24, 2021
Brief communication - Opposition proceedings
Jun 21, 2021
Advice of delivery
Jun 18, 2021
(Electronic) Receipt
Jun 18, 2021
Letter accompanying subsequently filed items
Jun 18, 2021
Oral proceedings: Request for postponement
Jun 16, 2021
(Electronic) Receipt
Jun 16, 2021
Advice of delivery
Jun 16, 2021
Letter accompanying subsequently filed items
Jun 11, 2021
Annex to the communication - opposition
Jun 11, 2021
Information concerning oral proceedings
Jun 11, 2021
Summons to attend oral proceedings
Jun 11, 2021
Summons to attend oral proceedings
Jun 11, 2021
Transmittal of decision / summons - opposition
Jun 11, 2021
Transmittal of decision / summons - opposition
Apr 1, 2021
Brief communication - Opposition proceedings
Mar 28, 2021
(Electronic) Receipt
Mar 28, 2021
Citation in opposition procedure - 010
Mar 28, 2021
Letter accompanying subsequently filed items
Mar 28, 2021
Letter regarding the opposition procedure (no time limit)
Mar 8, 2021
Brief communication - Opposition proceedings
Mar 1, 2021
(Electronic) Receipt
Mar 1, 2021
Auxiliary request during Opposition procedure
Mar 1, 2021
Auxiliary request during Opposition procedure
Mar 1, 2021
Auxiliary request during Opposition procedure
Mar 1, 2021
Auxiliary request during Opposition procedure - 01
Mar 1, 2021
Auxiliary request during Opposition procedure - 02
Mar 1, 2021
Auxiliary request during Opposition procedure - 03
Mar 1, 2021
Letter accompanying subsequently filed items
Mar 1, 2021
Reply of the patent proprietor to the notice(s) of opposition
Oct 22, 2020
Communication of a notice of opposition and request to file observations
Oct 22, 2020
Notice of further oppositions to opponent(s)
Oct 13, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 8, 2020
(Electronic) Receipt
Oct 8, 2020
Citation in opposition procedure
Oct 8, 2020
Citation in opposition procedure
Oct 8, 2020
Citation in opposition procedure - 001
Oct 8, 2020
Citation in opposition procedure - 002
Oct 8, 2020
Citation in opposition procedure - 003
Oct 8, 2020
Citation in opposition procedure - 004
Oct 8, 2020
Citation in opposition procedure - 005
Oct 8, 2020
Citation in opposition procedure - 006
Oct 8, 2020
Citation in opposition procedure - 007
Oct 8, 2020
Citation in opposition procedure - 008
Oct 8, 2020
Citation in opposition procedure - 009
Oct 8, 2020
International publication (Pamphlet)
Oct 8, 2020
Notice of opposition
Oct 8, 2020
Notice of opposition
Jun 8, 2020
Communication of the registration of a transfer or change of name and/or address
May 26, 2020
Submission concerning change of applicant's address
Jan 20, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 12, 2019
Decision to grant a European patent
Nov 12, 2019
(Electronic) Receipt
Nov 12, 2019
Filing of the translations of the claims
Nov 12, 2019
French translation of claims
Nov 12, 2019
German translation of the claims
Nov 12, 2019
Letter accompanying subsequently filed items
Jul 12, 2019
Bibliographic data of the European patent application
Jul 12, 2019
Communication about intention to grant a European patent
Jul 12, 2019
Intention to grant (signatures)
Jul 12, 2019
Text intended for grant (clean copy)
Jul 12, 2019
Text intended for grant (version for approval)
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Amended claims with annotations
Jan 9, 2019
Claims
Jan 9, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Reply to communication from the Examining Division
Oct 23, 2018
Annex to the communication
Oct 23, 2018
Communication from the Examining Division
Oct 11, 2018
Examination started
Feb 14, 2018
Refund of fees
Feb 6, 2018
Decision to allow further processing
Jan 26, 2018
(Electronic) Receipt
Jan 26, 2018
Amended claims filed after receipt of (European) search report
Jan 26, 2018
Amended description filed after receipt of (European) search report
Jan 26, 2018
Amendments received before examination
Jan 26, 2018
Letter accompanying subsequently filed items
Aug 23, 2017
Notification on forthcoming publication of bibliographic data
Jul 5, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jun 28, 2017
Priority search results copy provided by EPO
Jun 20, 2017
Communication to designated inventor
Jun 20, 2017
Communication to designated inventor
Jun 20, 2017
Communication to designated inventor
Jun 6, 2017
(Electronic) Receipt
Jun 6, 2017
Request for entry into the European phase
May 31, 2017
Copy of the international preliminary report on patentability
Mar 24, 2017
Information on entry into European phase
Jun 7, 2016
Priority document (electronically transmitted)
May 19, 2016
Copy of the international search report
May 19, 2016
Published international application - A1
Apr 12, 2016
Notification of the recording of a change
Apr 12, 2016
Notification of the recording of a change
Feb 5, 2016
ISR: cited documents
Feb 4, 2016
Written opinion of the ISA, boxes No. I to VIII
Feb 4, 2016
Written opinion of the ISA, cover sheet
Feb 4, 2016
Written opinion of the ISA, supplemental box
Nov 27, 2015
Notification of receipt of Search copy
Nov 25, 2015
Notification of the international application number and of the international filing date
Nov 20, 2015
Request form for international application (copy for ISA/EP)
Nov 10, 2015
(Electronic) Receipt
Nov 10, 2015
Abstract
Nov 10, 2015
Claims
Nov 10, 2015
Description
Nov 10, 2015
Document concerning fees and payments
Nov 10, 2015
Electronic request for grant of an International application
Nov 10, 2015
Priority document (RO-procedure)

EP3218307

RHODIA OPERATIONS

Application Number: EP15794536A
Filing Date: Nov 10, 2015
Status: Revoked; Sep 22, 2023
Publication Date: Jan 8, 2020
External Links: Slate, Register , Google Patents

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Cerium Oxide Particles And Method For Production Thereof

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Dossier Documents

EP3218307