Method For Manufacturing Spheroidal Alumina Particles

Patent No. EP2794487 (titled "Method For Manufacturing Spheroidal Alumina Particles") was filed by IFP Energies Nouvelles on Nov 16, 2012. The application was issued on Mar 17, 2021.

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
SASOL GERMANY	Dec 17, 2021	MULLER SCHUPFNER & PARTNER PATENT UND HAMBURG
SASOL GERMANY	Dec 17, 2021	MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB HAMBURG

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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Mar 26, 2025
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 26, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Dec 19, 2024
Annex to the communication - opposition
Dec 19, 2024
Brief communication - Opposition proceedings
Dec 19, 2024
Brief communication - Opposition proceedings
Dec 19, 2024
Decision of the Opposition Division and instruction
Dec 19, 2024
Decision rejecting the opposition
Dec 19, 2024
Decision rejecting the opposition
Dec 19, 2024
Grounds for the decision (Annex) - opposition
Dec 19, 2024
Means of redress
Dec 19, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 19, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 19, 2024
Provision of a copy of the minutes - opposition procedure
Dec 19, 2024
Provision of a copy of the minutes - opposition procedure
Dec 19, 2024
Scanned annex to a communication - opposition procedure
Dec 5, 2024
Information about the result of oral proceedings
Nov 12, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
(Electronic) Receipt
Nov 4, 2024
Letter accompanying subsequently filed items
Nov 4, 2024
Written submission in preparation to/during oral proceedings
Oct 9, 2024
Brief communication - Opposition proceedings
Oct 8, 2024
Brief communication - Opposition proceedings
Oct 8, 2024
Brief communication - Opposition proceedings
Oct 4, 2024
(Electronic) Receipt
Oct 4, 2024
Letter accompanying subsequently filed items
Oct 4, 2024
Written submission in preparation to/during oral proceedings
Oct 2, 2024
(Electronic) Receipt
Oct 2, 2024
(Electronic) Receipt
Oct 2, 2024
Letter accompanying subsequently filed items
Oct 2, 2024
Letter accompanying subsequently filed items
Oct 2, 2024
Written submission in preparation to/during oral proceedings
Oct 2, 2024
Written submission in preparation to/during oral proceedings
Jul 5, 2024
Document concerning representation
Jun 7, 2024
Annex to the communication - opposition
Jun 7, 2024
Brief communication - Opposition proceedings
Jun 7, 2024
Brief communication - Opposition proceedings
Jun 7, 2024
Information concerning oral proceedings
Jun 7, 2024
Scanned annex to a communication - opposition procedure
Jun 7, 2024
Summons to attend oral proceedings
Jun 7, 2024
Summons to attend oral proceedings
Sep 26, 2022
Brief communication - Opposition proceedings
Sep 20, 2022
(Electronic) Receipt
Sep 20, 2022
Citation in opposition procedure - 011
Sep 20, 2022
Citation in opposition procedure - 012
Sep 20, 2022
Citation in opposition procedure - 013
Sep 20, 2022
Citation in opposition procedure - 014
Sep 20, 2022
Consolidated list of cited opposition documents
Sep 20, 2022
Letter accompanying subsequently filed items
Sep 20, 2022
Letter regarding the opposition procedure (no time limit)
May 25, 2022
Brief communication - Opposition proceedings
May 20, 2022
(Electronic) Receipt
May 20, 2022
Auxiliary request during Opposition procedure
May 20, 2022
Auxiliary request during Opposition procedure
May 20, 2022
Auxiliary request during Opposition procedure - 01
May 20, 2022
Auxiliary request during Opposition procedure - 02
May 20, 2022
Letter accompanying subsequently filed items
May 20, 2022
Reply of the patent proprietor to the notice(s) of opposition
Mar 21, 2022
Brief communication - Opposition proceedings
Mar 21, 2022
Communication concerning the filing of a power of attorney
Mar 21, 2022
Communication of amended entries concerning the representative
Mar 10, 2022
Annexes in respect of a client data request
Mar 10, 2022
Annexes in respect of a client data request
Mar 10, 2022
Authorisation
Mar 10, 2022
Submission concerning change of proprietor's representative
Jan 14, 2022
Communication of a notice of opposition and request to file observations
Jan 14, 2022
Notice of further oppositions to opponent(s)
Dec 23, 2021
Communication of a notice of opposition - first information to patent proprietor
Dec 17, 2021
(Electronic) Receipt
Dec 17, 2021
(Electronic) Receipt
Dec 17, 2021
Citation in opposition procedure - 001
Dec 17, 2021
Citation in opposition procedure - 002
Dec 17, 2021
Citation in opposition procedure - 003
Dec 17, 2021
Citation in opposition procedure - 004
Dec 17, 2021
Citation in opposition procedure - 005
Dec 17, 2021
Citation in opposition procedure - 006
Dec 17, 2021
Citation in opposition procedure - 007
Dec 17, 2021
Citation in opposition procedure - 008
Dec 17, 2021
Citation in opposition procedure - 009
Dec 17, 2021
Citation in opposition procedure - 010
Dec 17, 2021
Letter accompanying subsequently filed items
Dec 17, 2021
Letter accompanying subsequently filed items
Dec 17, 2021
Letter regarding the opposition procedure (no time limit)
Dec 17, 2021
Notice of opposition
Mar 29, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 18, 2021
Decision to grant a European patent
Feb 8, 2021
(Electronic) Receipt
Feb 8, 2021
English translation of the claims
Feb 8, 2021
Filing of the translations of the claims
Feb 8, 2021
German translation of the claims
Feb 8, 2021
Letter accompanying subsequently filed items
Oct 20, 2020
Bibliographic data of the European patent application
Oct 20, 2020
Communication about intention to grant a European patent
Oct 20, 2020
Intention to grant (signatures)
Oct 20, 2020
Text intended for grant (clean copy)
Oct 20, 2020
Text intended for grant (version for approval)
Sep 9, 2020
(Electronic) Receipt
Sep 9, 2020
Claims
Sep 9, 2020
Description
Sep 9, 2020
Letter accompanying subsequently filed items
Sep 9, 2020
Reply to communication from the Examining Division
Jul 23, 2020
Annex to the communication
Jul 23, 2020
Communication from the Examining Division
Jan 25, 2019
Submission concerning representation
Dec 6, 2018
(Electronic) Receipt
Dec 6, 2018
Amended claims with annotations
Dec 6, 2018
Claims
Dec 6, 2018
Letter accompanying subsequently filed items
Dec 6, 2018
Reply to communication from the Examining Division
Sep 10, 2018
Communication of amended entries concerning the representative
Sep 7, 2018
Grant of extension of time limit (examination procedure)
Sep 4, 2018
Submission concerning change of applicant's representative
Sep 3, 2018
(Electronic) Receipt
Sep 3, 2018
Letter accompanying subsequently filed items
Sep 3, 2018
Request for extension of time limit to communication from the Examining Division
Jun 7, 2018
Annex to the communication
Jun 7, 2018
Communication from the Examining Division
May 24, 2018
Examination started
Nov 10, 2017
Submission concerning representation
Sep 26, 2017
Submission concerning change of applicant's name
Jan 15, 2015
(Electronic) Receipt
Jan 15, 2015
Amended claims filed after receipt of (European) search report
Jan 15, 2015
Amended claims with annotations
Jan 15, 2015
Amendments received before examination
Jan 15, 2015
Letter accompanying subsequently filed items
Oct 1, 2014
Notification on forthcoming publication of bibliographic data
Aug 13, 2014
CDS Clean up - amended applicant details
Jul 31, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 29, 2014
Communication to designated inventor
Jul 29, 2014
Communication to designated inventor
Jul 29, 2014
Communication to designated inventor
Jul 29, 2014
Communication to designated inventor
Jul 29, 2014
Communication to designated inventor
Jul 29, 2014
Communication to designated inventor
Jul 24, 2014
Priority search results copy provided by EPO
Jul 7, 2014
Copy of the international preliminary report on patentability
May 16, 2014
(Electronic) Receipt
May 16, 2014
Request for entry into the European phase
May 6, 2014
Information on entry into European phase
Dec 19, 2013
Copy of the international search report
Dec 19, 2013
Copy of the international search report
Dec 19, 2013
International publication of the international search report
Nov 4, 2013
Written opinion of the ISA, boxes No. I to VIII
Nov 4, 2013
Written opinion of the ISA, cover sheet
Nov 4, 2013
Written opinion of the ISA, supplemental box
Jul 17, 2013
Priority document (electronically transmitted)
Jun 27, 2013
Published international application - A2
Jan 17, 2013
Abstract
Jan 17, 2013
Claims
Jan 17, 2013
Description
Jan 17, 2013
Drawings
Jan 17, 2013
Submission concerning representation

EP2794487

IFP ENERGIES NOUVELLES

Application Number: EP12813899A
Filing Date: Nov 16, 2012
Status: Opposition Rejected; Mar 28, 2025
Publication Date: Mar 17, 2021
External Links: Slate, Register , Google Patents

IP Verse

Method For Manufacturing Spheroidal Alumina Particles

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2794487